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ICs for Audio Common Use
AN7515SH
Audio signal processing IC for notebook PC
I Overview
AN7515SH has a speaker power amplifier, headphone power amplifier, line amplifier, electric volume and a bass boost circuit for notebook PC. This IC adopts a small thin package, enabling compact and high integrated set.
14.000.10 (6.90) (5.45) 56 29
0.150.05
Unit: mm
Area of no resin flash
(1.00)
(3.70) 6.100.10 8.100.20
(2.25)
I Features
* Possible speaker power is 1 W x 2-ch. : 8 output at VCC = 5 V 0.65 W x 2-ch. : 4 output at VCC = 3.3 V * A gain and frequency response of bass boost can be adjusted with external components * Each amplifiers has a standby and mute switch * Pin compatible with AN7516SH with Spatializer function except for Spatializer pins * VCC of speaker and headphone can be adjusted separately * Thin package (1.0 mm)
0 to 8 0.500.10
1.20 max.
1 (0.25) 0.50 0.200.05
28 0.10 M
(1.00) 0.100.10
0.10
Seating plane
Seating plane
HSOP056-P-0300A (Lead-free package)
I Applications
* Notebook PC
I Block Diagram
Head phone amplifier Head phone amplifier standby SW Head phone amplifier mute SW
Speaker amplifier standby SW
Speaker amplifier with bass boost 5 V, 8 , 1 W
Speaker amplifier mute SW
Electric volume
Bass boost SW
Line amplifier
Line amplifier mute SW
Beep input
Publication date: December 2001

SDC00036BEB

1
AN7515SH
I Application Circuit Example
2.5 V to 5.5 V Line out [R-ch.]
C19 1 F
29 30
28 27 26 25 Linemute 24 23 HPmute 22 21 20 19 18 17 16 15
Volume
C18 1 F C17 1 F
Line in [R-ch.] Line in [L-ch.]
C20 1 F Line out [L-ch.] Beep control (line) Mute (line) C21 1 F Beep control (HP) Mute (HP) C22 1 F C24 47 F
31
32 VR2 10 k R5 50 k 33 34 VR3 10 k R6 50 k 35 36 37 38
C16 1 F J-3 C15 1 F J-4
Head phone in [L-ch.] Head phone in [R-ch.]
C14 1 F R4 33 k Beep in
To Pin17 Electric volume adjuster variable register
VR4 50 k 1 F C25 47 F
39 40 41 42
R.F.
VCC2 (HP) VCC1 (HP)
Standby (HP/line)
C9 100 F
Mute (SP) C26 1 F Standby (SP) C27 1 F Bass boost adjuster variable registor
R8 50 k
43 44 45 46 47 48
Volume
SPmute
14 13 12 C8 220 F 11 C7 220 F 10 9 8 7 C5 22 F VCC3 (SP) C6 33 F Head phone out [L-ch.] Head phone jack Head phone out [R-ch.]
R10 50 k R9 10 k VR6 75 k C28 0.1 F
Bass boost
R.F.
C29 4.7 F Nonpolar VR5 10 k Bass SW C30 1 F R11 50 k
49 50 51 52 53 54 Bass boost
C4 3.3 F R2 25 k Speaker in [L-ch.] C3 3.3 F R1 25 k Speaker in [R-ch.] C2 0.1 F
6 5 4 3 2 1
Speaker out [L-ch.] (BTL out)
55 56
Speaker out [R-ch.] (BTL out)
VCC1 (SP)
VCC2 (SP) C1 100 F
2.5 V to 5.5 V
2
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AN7515SH
I Pin Descriptions
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Description Power supply (R-ch. speaker power use) R-ch. speaker output 1 R-ch. speaker output 2 N.C. GND (R-ch. SP power use) Bass boost capacitor 1 Speaker R-ch. input Speaker L-ch. input Ripple filter (SP) Power supply (Speaker small signal use) L-ch. headphone output R-ch. headphone output GND (HP power use) GND (HP small signal use) N.C. Power supply (HP power use) Power supply (HP small signal use) N.C. N.C. N.C. N.C. Beep input N.C. Headphone R-ch. input 2 Headphone L-ch. input 1 N.C. Line amplifier L-ch. input Line amplifier R-ch. input Pin No. 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 Description Line amplifier R-ch. output GND (Line small signal use) Line amplifier L-ch. output Beep control (Line) Line mute control Beep control (HP) HP mute control GND Ripple filter 1 (HP) GND (SP small signal use) Volume control Ripple filter 2 (HP) Standby (HP/Line) N.C. SP mute control Standby (SP) R1 for bass boost gain R2 for bass boost gain Bass boost capacitor 2 Bass boost capacitor 3 Bass boost capacitor 4 Bass boost limit control Bass boost control GND (L-ch. SP power use) N.C. L-ch. speaker output 2 L-ch. speaker output 1 Power supply (L-ch. speaker power use)
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AN7515SH
I Absolute Maximum Ratings
Parameter Supply voltage Supply current Power dissipation
*3 *1 *2
Symbol VCC ICC PD Topr Tstg
Rating 5.75 1 200 0.628 -25 to +75 -55 to +150
Unit V mA W C C
Operating ambient temperature Storage temperature
*1
Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: Without signal *3: Ta = 75C, mounted on standard board.
I Recommended Operating Range
Parameter Supply voltage Symbol VCC Range 3.0 to 5.5 Unit V
I Electrical Characteristics at Ta = 25C, f = 1 kHz
Parameter Quiescent circuit current 1 Quiescent circuit current 2 Standby current 1 Standby current 2 Speaker amplifier (RL = 8 ) L-ch. output voltage level *1 R-ch. output voltage level *1 L-ch. total harmonic distortion *1 R-ch. total harmonic distortion *1 L-ch. max. output level *1 R-ch. max. output level *1 L-ch. max. output level 1 *1 R-ch. max. output level 1 *1 L-ch. output noise voltage *2
Note) *1: DIN audio filter is used. *2: A-curve filter is used.
Symbol IT1 IT2 IST1 IST2 VSPL VSPR THSL THSR VMAXSL VMAXSR
Conditions Current of VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V/(No load) Current of VCC1(HP) , VCC2(HP) = 5 V/(No load) STB: On current of VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V STB: On current of VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 8 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V VIN = -10 dBV, RL = 8 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V VIN = -10 dBV, RL = 8 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V VIN = -10 dBV, RL = 8 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V THD = 10%, f = 1 kHz VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V THD = 10%, f = 1 kHz VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V
Min 1.5 1.5 7.0 7.0 2.0 2.0
Typ 7.5 6.0 0.1 0.1
Max 13.1 10.0 50 50
Unit mA mA A A dBV dBV % % dBV dBV dBV dBV dBV
4.0 4.0 0.2 0.2 9.0 9.0 4.0 4.0 -80
6.5 6.5 0.5 0.5 -70
VMAXS1L THD = 10%, RL = 4 , f = 1 kHz VCC1(SP) , VCC2(SP) , VCC3(SP) = 3.3 V VMAXS1R THD = 10%, RL = 4 , f = 1 kHz VCC1(SP) , VCC2(SP) , VCC3(SP) = 3.3 V VNSL Rg = 1 k VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V
4
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AN7515SH
I Electrical Characteristics at Ta = 25C, f = 1 kHz (continued)
Parameter R-ch. output noise voltage *2 L-ch. output offset voltage R-ch. output offset voltage Channel balance L-ch. crosstalk *1 R-ch. crosstalk *1 L-ch. mute attenuation *1 R-ch. mute attenuation *1 Symbol Conditions Rg = 1 k VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V Rg = 0 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V Rg = 0 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V VIN = -10 dBV, RL = 8 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V VIN = -10 dBV, RL = 8 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V VIN = -10 dBV, RL = 8 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V VIN = -10 dBV, RL = 8 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V VIN = -10 dBV, RL = 8 VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V VIN = -10 dBV, RL = 32 VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 32 VCC1(HP) , VCC2(HP) = 5 V VOUT = 0 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V VOUT = 0 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V THD = 1%, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V THD = 1%, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V THD = 1%, RL = 10 k VCC1(HP) , VCC2(HP) = 3.3 V THD = 1%, RL = 10 k VCC1(HP) , VCC2(HP) = 3.3 V Rg = 1 k VCC1(HP) , VCC2(HP) = 5 V Rg = 1 k VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 32 VCC1(HP) , VCC2(HP) = 5 V Min -100 -100 -1 70 70 70 70 Typ -80 0 0 0 80 80 80 80 Max -70 100 100 1 Unit Speaker amplifier (continued) (RL = 8 ) VNSR VOFSL VOFSR CHBS CTLSLR CTLSRL VMUSL VMUSR dBV mV mV dB dB dB dB dB
Headphone amplifier (RL = 32 ) L-ch. output voltage level *1 R-ch. output voltage level *1 L-ch. total harmonic distortion *1 R-ch. total harmonic distortion *1 L-ch. max. output level *1 R-ch. max. output level *1 L-ch. max. output level 1 *1 R-ch. max. output level 1 *1 L-ch. output noise voltage *2 R-ch. output noise voltage *2 Channel balance
Note) *1: DIN audio filter is used. *2: A-curve filter is used.
VHPL VHPR THHL THHR VMAHL5 VMAHR5 VMAHL3 VMAHR3 VNHL VNHR CHBH
-8.4 -8.4 0.0 0.0 -3.0 -3.0 -2
-5.0 -5.0 0.03 0.03 -90 -90 0
-2.5 -2.5 0.1 0.1 -80 -80 2
dBV dBV % % dBV dBV dBV dBV dBV dBV dB
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AN7515SH
I Electrical Characteristics at Ta = 25C, f = 1 kHz (continued)
Parameter L-ch. crosstalk *1 R-ch. crosstalk *1 L-ch. mute attenuation *1 R-ch. mute attenuation *1 Volume L-ch. middle voltage gain *1 R-ch. middle voltage gain *1 Middle channel balance L-ch. volume attenuation *1 R-ch. volume attenuation *1 Line amplifier L-ch. output voltage level *1 R-ch. output voltage level *1 L-ch. total harmonic distortion *1 R-ch. total harmonic distortion *1 L-ch. max. output level *1 R-ch. max. output level *1 L-ch. max. output level 1 *1 R-ch. max. output level 1 *1 L-ch. output noise voltage *2 R-ch. output noise voltage *2
Note) *1: DIN audio filter is used. *2: A-curve filter is used.
Symbol
Conditions VIN = -10 dBV, RL = 32 VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 32 VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 32 VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 32 VCC1(HP) , VCC2(HP) = 5 V VIN = -20 dBV, Vol = 1/2 VCC VCC1(HP) , VCC2(HP) = 5 V VIN = -20 dBV, Vol = 1/2 VCC VCC1(HP) , VCC2(HP) = 5 V VIN = -20 dBV, Vol = 1/2 VCC VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, Vol = 0 V VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, Vol = 0 V VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V THD = 1%, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V THD = 1%, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V THD = 1%, RL = 10 k VCC1(HP) , VCC2(HP) = 3.3 V THD = 1%, RL = 10 k VCC1(HP) , VCC2(HP) = 3.3 V Rg = 1 k VCC1(HP) , VCC2(HP) = 5 V Rg = 1 k VCC1(HP) , VCC2(HP) = 5 V
Min
Typ
Max
Unit
Headphone amplifier (continued) (RL = 32 ) CTLHLR CTLHRL VMUHL VMUHR 70 70 70 70 80 80 80 80 dB dB dB dB
VOLL VOLR VCHB VOLNL VOLNR
-37 -37 -2 70 70
-34.5 -34.5 0 80 80
-32 -32 2
dBV dBV dB dB dB
VHLL VHLR THLL THLR VMALL5 VMALR5 VMALL3 VMALR3 VNLL VNLR
-6.0 -6.0 0.0 0.0 -3.0 -3.0
-4.0 -4.0 0.01 0.01 -100 -100
-2.0 -2.0 0.03 0.03 -90 -90
dBV dBV % % dBV dBV dBV dBV dBV dBV
6
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AN7515SH
I Electrical Characteristics at Ta = 25C, f = 1 kHz (continued)
Parameter Line amplifier (continued) Channel balance L-ch. crosstalk *1 R-ch. crosstalk *1 L-ch. mute attenuation *1 R-ch. mute attenuation *1 Switching level HP mute on HP mute off HP standby on HP standby off SP mute on SP mute off SP standby on SP standby off Bass boost off Bass boost on
Note) *1: DIN audio filter is used. *2: A-curve filter is used.
Symbol
Conditions VIN = -10 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V VIN = -10 dBV, RL = 10 k VCC1(HP) , VCC2(HP) = 5 V
Min -1 70 70 70 70
Typ
Max
Unit
CHBL CTLLLR CTLLRL VMUHL VMUHR
0 80 80 80 80
1
dB dB dB dB dB
HMUON HMUOF HSTON HSTOF SMUON SMUOF SSTON SSTOF BASOF BASON
GND 2.0 GND 2.0 GND 2.0 GND 2.0 GND 2.0

0.8 5.5 0.8 5.5 0.8 5.5 0.8 5.5 0.8 5.5
V V V V V V V V V V
* Design reference data
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter L-ch. ripple rejection (Speaker amplifier) *1 R-ch. ripple rejection (Speaker amplifier) *1 L-ch. ripple rejection (Headphone amplifier) *1 R-ch. ripple rejection (Headphone amplifier) *1 L-ch. ripple rejection (Line amplifier) *1 R-ch. ripple rejection (Line amplifier) *1
Note) *1: DIN audio filter is used.
Symbol RJSPL RJSPR RJHPL RJHPR RJLIL RJLIR
Conditions fr = 1 kHz, Vr = -20 dBV VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V fr = 1 kHz, Vr = -20 dBV VCC1(SP) , VCC2(SP) , VCC3(SP) = 5 V fr = 1 kHz, Vr = -20 dBV VCC1(HP) , VCC2(HP) = 5 V fr = 1 kHz, Vr = -20 dBV VCC1(HP) , VCC2(HP) = 5 V fr = 1 kHz, Vr = -20 dBV VCC1(HP) , VCC2(HP) = 5 V fr = 1 kHz, Vr = -20 dBV VCC1(HP) , VCC2(HP) = 5 V
Min 30 30 30 30 30 30
Typ 40 40 40 40 40 40
Max
Unit dB dB dB dB dB dB
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AN7515SH
I Terminal Equivalent Circuits
Pin No. 1 Equivalent circuit Description VCCRSP: R-ch. speaker amplifier power supply pin Voltage 5V
2
VCC
1
SPOR1: R-ch. speaker amplifier output pin 1
2.3 V
2
GND
3
VCC
5
1
SPOR2: R-ch. speaker amplifier output pin 2
2.3 V
3
GND
5
4 5

N.C. GNDRSP: Ground pin for the power of R-ch. speaker amplifier BASSC1: Pin for the capacitor 1 connected to the LPF output at the 1st stage of bass boost
0V
6
VCC
2.3 V
20 k
6
VCC
0.5 k GND VCC
20 k
GND
8
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AN7515SH
I Terminal Equivalent Circuits (continued)
Pin No. 7
VCC
Equivalent circuit
Description SPINR: Speaker amplifier R-ch. input pin
Voltage 2.3 V
0.5 k 7 2 k
GND 2.3 V
8
VCC
SPINL: Speaker amplifier L-ch. input pin
2.3 V
0.5 k 8 2 k
GND 2.3 V
9 RFSP: Speaker amplifier ripple filter pin 0.3 k 9 22 k 28 k 0.5 k 4.9 V
10
VCCSSP: Speaker amplifier small signal power supply pin
5V
11
VCC
16
HPOL: L-ch. headphone amplifier output pin
2.15 V
11
GND
13
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AN7515SH
I Terminal Equivalent Circuits (continued)
Pin No. 12 Equivalent circuit Description HPOR: R-ch. headphone amplifier output pin Voltage 2.15 V
VCC
16
12
GND
13
13
GNDPHP: Ground pin for the power of headphone amplifier GNDSHP: Ground pin for the headphone amplifier small signal N.C. VCCPHP: Headphone amplifier power supply pin VCCSHP: Headphone amplifier small signal power supply pin N.C. N.C. N.C. N.C. BEEPIN: Beep input pin 0.5 k 20 k 0V
14
0V
15 16

5V
17
5V
18 19 20 21 22 VCC

1.0 V
22
GND
1.4 V
23
N.C.
10
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AN7515SH
I Terminal Equivalent Circuits (continued)
Pin No. 24 Equivalent circuit Description HPINR2: Headphone amplifier R-ch. input pin 2 Voltage 1.4 V
VCC
1 k 24 20 k 1.4 V GND
25
VCC
HPINL1: Headphone amplifier L-ch. input pin 1
1 k 25 20 k 1.4 V
1.4 V
GND
26 27
VCC
N.C. LINEINL: Line amplifier L-ch. input pin
2.5 V
27
0.5 k 50 k
GND 2.5 V
28
VCC
LINEINR: Line amplifier R-ch. input pin
0.5 k 50 k
2.5 V
28
GND 2.5 V
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AN7515SH
I Terminal Equivalent Circuits (continued)
Pin No. 29 Equivalent circuit Description LINEOUTR: Line amplifier R-ch. output pin Voltage 2.5 V
VCC
20 k 20 k 0.1 k GND
30 31
29
2.5 V
LINEGND: Ground pin for line amplifier LINEOUTL: Line amplifier L-ch. output pin
0V 2.5 V
VCC
20 k 20 k 0.1 k GND
31
2.5 V
32
VCC
BEEPCL: Line amplifier beep output control pin
0.1 V
32
10 k GND
33 33
1 k
0.5 k
LINEMU: Line amplifier mute control pin 18 k 100 k
GND
12
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AN7515SH
I Terminal Equivalent Circuits (continued)
Pin No. 34
VCC
Equivalent circuit
Description BEEPCH: Headphone amplifier beep output control pin
34
Voltage 0.1 V
10 k GND
1 k
35
VCC
MUTEHP: Headphone amplifier mute control pin
3.9 V 35 GND
500
200 k
36 37
GND RFHP: Headphone amplifier ripple filter pin
10 k
4.9 V
37 35 k 55 k
38
GNDSSP: Ground pin for the speaker amplifier small signal VOLC: Volume control pin
0V
39
VCC 115 k 0.5 k 39 40 k GND
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AN7515SH
I Terminal Equivalent Circuits (continued)
Pin No. 40 VCC 0.5 k 40 100 k GND 41 41 18 k 100 k GND 42 43
VCC
Equivalent circuit
Description RFLINE: Line amplifier ripple filter pin
Voltage 4.9 V
0.5 k
5 k
STAHPLI: Headphone amplifier/line amplifier standby pin
N.C. MUTESP: Speaker amplifier mute control pin

3.9 V 43 GND
500
200 k
44 44
0.5 k
STASP: Speaker amplifier standby pin 18 k 100 k
GND 45, 46
VCC
BASSR1, BASSR2: Bass boost gain setting pins
2.3 V
0.5 k 45
0.5 k
46
GND
14
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AN7515SH
I Terminal Equivalent Circuits (continued)
Pin No. 47
VCC
Equivalent circuit
Description BASSC2: Pin for the capacitor 2 connected to the LPF output at the 2nd stage of bass boost
Voltage 2.3 V
0.5 k
10 k 46
47
GND
48, 49
VCC
BASSD1, BASSD2: Bass boost capacitor connection pins
0.5 k 48 49 1 k 1 k
2.3 V
GND
50
VCC
BASSLIM: Bass boost limit level control pin
0.1 V
50
10 k GND
51
1 k
VCC
BASSSW: Bass boost on/off switch pin
3.9 V 51 GND
500
200 k
52
GNDLSP: Ground pin for the power of L-ch. speaker amplifier
0V
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AN7515SH
I Terminal Equivalent Circuits (continued)
Pin No. 53 54 Equivalent circuit N.C. Description Voltage 2.3 V
VCC
56
SPOL1: L-ch. speaker amplifier output pin 2
54
GND
55
VCC
52
56
SPOL2: L-ch. speaker amplifier output pin 1
2.3 V
55
GND
52
56
VCCLSP: L-ch. speaker amplifier power supply pin
5V
I Applicaon Notes
1. Pin descriptions * Pin 1 (power supply for R-ch. speaker power use) Please put a capacitor of about 100 F between pin 1 and pin 5. * Pin 2, pin 3 (R-ch. speaker output) (BTL out) * Pin 4 (N.C.) * Pin 5 (GND for R-ch. speaker power use) * Pin 6, pin 45, pin 46, pin 47, pin 48, pin 49 (bass boost) Following equivalent circuit is for bass boost.
R-ch. speaker input 7 L-ch. speaker input 8
20 k 10 k 20 k 45 VR6 6 C2 LPF1 R9 C27 LPF2 Amplifier 46 47 C28 48 C29 49 To speaker power amplifier
DC cut
16
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I Application Notes (continued)
1. Pin descriptions (continued) * Pin 6, pin 45, pin 46, pin 47, pin 48, pin 49 (bass boost) (continued) 1) Pin 6 This pin makes first LPF together with internal registors. When a value of C2 is 0.1 F, cutoff frequency is 160 Hz. 2) Pin 45, pin 46 This gain is VR6 + R9 GV = R9 It is necessary that VR6 = 10 k, R9 = 10 k for amplifier gain of two times. However this bass boost signal is mixed with the basis signal by speaker power amplifier on reverse phase, then if suitable value of VR6 is 75 k. The HPF is composed with R9 and C27, then if R9 is 10 k, suitable value of C27 is 1 F. 3) Pin 47 This pin makes second LPF together with internal registors. When a value of C28 is 0.1 F, peak gain frequency is 160 Hz. 4) Pin 48, pin 49 This purpose is DC cut. Suitable value of C29 is 4.7 F (nonpolar), because input impeadance of speaker power amplifier is 2 k. * Pin 7, pin 8 (L-ch., R-ch. speaker input) Suitable value of C3, C4 is 3.3 F, because input impeadance of speaker power amplifier is 2 k. Supposing that max output level of headphone is 1 V[rms], suitable value of R1, R2 is 25 k, because gain of speaker power amplifier is 32 dB. * Pin 9 (ripple filter of speaker amplifier) Recommended value is 22 F. If capacitor value is bigger, rise time at standby is longer. If capacitor value is smaller, rise time at stanby is shorter, but there are possibilities of pop sound occurrence and deterioration of power supply ripple rejection, cross talk and THD. * Pin 10 (power supply (speaker small signal use)) Please put a capacitor of 33 F between GND (pin 38) and pin 10. * Pin 50 (bass boost limit control) Please put an about 10 k register between pin 51 and GND. * Pin 51 (bass boost on/off switch) Suitable value of R11 is 50 k and suitable value of C30 is 1 F. Rise time is about 20 ms. If value of R and C is smaller, switching time is shorter but there is a possibility of pop sound occurrence. * Pin 56 (power supply (L-ch. speaker power use)) Please put an about 100 F capacitor between pin 56 and pin 52. * Pin 55, pin 54 (L-ch. speaker output) (BTL out) * Pin 53 (N.C.) * Pin 52 (GND (L-ch. speaker power use)) * Pin 44 (standby (speaker)) Suitable value of R10 is 50 k or more. Swichting time depends on value of pin 9 capacitor. If value of C5 is 22 F, rise time is about 80 ms. * Pin 43 (speaker mute control) Suitable value of R8 is 50 k, suitable value of C26 is 1 F. Rise time is about 20 ms. If value of R and C is smaller, switching time is shorter, but there is a possibility of pop sound occurrence. * Pin 38 (GND (speaker small signal use))
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AN7515SH
I Application Notes (continued)
1. Pin descriptions (continued) * Pin 11, pin 12 (L-ch., R-ch. headphone output) In considerration of headphone load, suitable value of C7, C8 is 220 F. * Pin 13 (GND (headphone power use)) * Pin 14 (GND (headphone small signal use)) * Pin 15 (N.C.) Pin 15 connects to IC's heat sink. * Pin 16 (power supply (headphone power use)) Please put an about 100 F capacitor between pin 13 and pin 14. * Pin 17 (power supply (headphone small signal use)) Please put an about 33 F capacitor between pin 13 and pin 14. * Pin 18, pin 19, pin 20, pin 21 Please open. * Pin 22 (beep input) Suitable value of R4 is 33 k and suitable value of C14 is 1 F. * Pin 23 Please open. * Pin 24 (R-ch. headphone spatializer off mode input) Suitable value of C15 is 1 F, because input impeadance of headphone power amplifier is 20 k. * Pin 25 (L-ch. headphone spatializer off mode input) Suitable value of C16 is 1 F, because input impeadance of headphone power amplifier is 20 k. * Pin 26 Please open. * Pin 27 (line amplifier L-ch. input) Suitable value of C17 is 1 F, because input impeadance of line amplifier is 50 k. * Pin 28 (line amplifier R-ch. input) Suitable value of C18 is 1 F, because input impeadance of line amplifier is 50 k. * Pin 29 (line amplifier R-ch. output) Suitable value of C19 is 1 F. * Pin 30 (GND (line amplifier)) * Pin 31 (line amplifier L-ch. output) Suitable value of C20 is 1 F. * Pin 32 (beep control (line amplifier)) A value of VR2 is bigger, output level is smaller. * Pin 33 (line amplifier mute control) Suitable value of R5 is 50 k and suitable value of C21 is 1 F. Rise time is about 20 ms. If value of R and C is smaller, switching time is shorter but there is a possibility of pop sound occurrence. * Pin 34 (beep control (headphone amplifier)) A value of VR3 is bigger, output level is smaller. * Pin 35 (headphone amplifier mute control) Suitable value of R6 is 50 k and suitable value of C22 is 1 F. Rise time is about 20 ms. If value of R and C is smaller, switching time is shorter but there is a possibility of pop sound occurrence. * Pin 36 Please connect to GND.
18
SDC00036BEB
AN7515SH
I Application Notes (continued)
1. Pin descriptions (continued) * Pin 37 (ripple filter (headphone)) A recommended value is 47 F. If capacitor value is bigger, rise time at standby is longer. If capacitor value is smaller, rise time at standby is shorter, but there are possibilities of pop sound occurrence and deteriorations of power supply ripple rejection and cross talk and THD. * Pin 39 (volume control) Please put a variable volume of 50 k or more between headphone VCC and headphone GND. * Pin 40 (ripple filter (line amplifier)) A recommended value is 47 F. If capacitor value is bigger, rise time at standby is longer. If capacitor value is smaller, rise time at standby is shorter, but there are possibilities of pop sound occurrence and deteriorations of power supply ripple rejection and cross talk and THD. * Pin 41 (standby (line amplifire, headphone amplifier)) Swichting time depends on value of pin 37 and pin 40 capacitors. * Pin 42 (N.C.) Pin 42 connects to IC's heat sink (fin). 1) Case of not using bass boost Please open pin 6, pin 45, pin 46, pin 47, pin 48, pin 49 and pin 50. Please connect pin 51 to GND. 2) Case of not using line amplifire Please open pin 27, pin 28, pin 29, pin 31 and pin 32. Please connect pin 33 to GND.
SDC00036BEB
19
20
Line mute Speaker standby On On Off Off Off R8 R10 C28 R9 Bip C22 - + 29 C19 AN7515SH C18 R-ch. C17 + C2 C3 C5 C7 L-ch. Head phone out R-ch. VCC for speaker C10 C9 (small signal) C6 VCC for head phone Head phone jack C8 - C4 J-1 C14 J-2 Line in L-ch. R4 28 1 C1 C31 56 VCC for speaker (power) Speaker out L-ch. (BTL) C24 C30 VR5 C29 C26 Head phone beep control C25 R6 VR3 C21 Bass boost limit Off Off Off C27 R11 VR6 Bass boost gain Bass boost On On On On VR4 Head phone mute Electric Head phone/ Speaker volume line standby mute C20 L-ch. R-ch.
AN7515SH
I Application Notes (continued)
Line beep control
R5
VR2
2. Printed circuit board layout example for evaluation board
SDC00036BEB
Line out
L-ch.
J-3
C16
R-ch.
Head phone in
C15
Speaker out R-ch. (BTL) R1 R2
Speaker in R-ch. L-ch.
J-4
Beep in
AN7515SH
I Technical Data
1. PD Ta curves of HSOP056-P-0300A PD T a
1.400 1.300 1.257 1.200 1.100
Power dissipation PD (W)
Mounted on standard board (glass epoxy: 50 x 50 x t0.8 mm3) Rth(j-a) = 79.5C/W
1.000 0.900 0.800 0.700 0.690 0.600 0.500 0.400 0.300 0.200 0.100 0.000 0 25 50 75 100 125 Independent IC without a heat sink Rth( j-a) = 144.9C/W
Ambient temperature Ta (C)
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21
AN7515SH
I Technical Data (continued)
2. Main characteristics 1) SP amplifier (1) Output power L-ch. 8
3 Ta = 27C L-in, R-inL-out, R-out Rg = 12 k HPF: 400 Hz LPF: 30 kHz 8 1% 8 10%
L-ch. 4
3 Ta = 27C L-in, R-inL-out, R-out Rg = 12 k HPF: 400 Hz LPF: 30 kHz 4 1% 4 10%
2.5
2.5
Output power (W)
Output power (W)
2
2
1.5
1.5
1
1
0.5
0.5
0 2 2.5 3 3.5 4 4.5 5 5.5
0 2 2.5 3 3.5 4
VCC (V)
VCC (V)
R-ch. 8
3 Ta = 27C L-in, R-inL-out, R-out Rg = 12 k HPF: 400 Hz LPF: 30 kHz 8 1% 8 10%
2.5 3
R-ch. 4
Ta = 27C L-in, R-inL-out, R-out Rg = 12 k HPF: 400 Hz LPF: 30 kHz 4 1% 4 10%
2.5
Output power (W)
Output power (W)
2
2
1.5
1.5
1
1
0.5
0.5
0 2 2.5 3 3.5 4 4.5 5 5.5
0 2 2.5 3 3.5 4
VCC (V)
VCC (V)
22
SDC00036BEB
AN7515SH
I Technical Data (continued)
2. Main characteristics (continued) 1) SP amplifier (continued) (2) VCC = 5 V, Ta = 27C Gain Frequency
16 15 14 13
Output level Input level
10 000 VCC = 5 V Ta = 27C L-in, R-inL-out, R-out Rg = 12 k, RL = 8 HPF: 400 Hz LPF: 30 kHz f = 1 kHz
Output level (mV[rms])
1 000
Gain (dB)
12 11 10 9 VCC = 5 V Ta = 27C L-in, R-inL-out, R-out Rg = 12 k, RL = 8 HPF: None, LPF: None VIN = 0.3 V[rms] 0.1 1 10 100
100
8 0.01
10 10
100
1 000
10 000
Frequency (kHz)
Input level (mV[rms])
THD Frequency
10 VCC = 5 V Ta = 27C L-in, R-inL-out, R-out Rg = 12 k, RL = 8 HPF: None, LPF: None VIN = 0.3 V[rms]
THD Input level
100 VCC = 5 V Ta = 27C L-in, R-inL-out, R-out Rg = 12 k, RL = 8 HPF: 400 Hz LPF: 30 kHz f = 1 kHz
10
THD (%)
1
THD (%)
1
0.1 1 10 100
0.1 0.01
0.1 10
100
1 000
10 000
Frequency (kHz)
Input level (mV[rms])
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23
AN7515SH
I Technical Data (continued)
2. Main characteristics (continued) 2) HP amplifier (1) VCC = 5 V, Ta = 27C Gain Frequency
14 13 12 11
Output level Input level
10 000
Output level (mV[rms])
1 000
Gain (dB)
10 9 8 7 6 5 VCC = 5 V Ta = 27C L-in, R-inL-out, R-out Rg = 600 , RL = 10 k HPF: None LPF: None VIN = 0.23 V[rms] 0.1 1 10 100
100
VCC = 5 V Ta = 27C L-in, R-in L-out, R-out Rg = 600 RL = 10 k HPF: 400 Hz LPF: 30 kHz f = 1 kHz 100 1 000 10 000
4 0.01
10 10
Frequency (kHz)
Input level (mV[rms])
THD Frequency
100 VCC = 5 V Ta = 27C L-in, R-inL-out, R-out Rg = 600 RL = 10 k HPF: None LPF: None VIN = 0.23 V[rms]
THD Input level
100
10
10
THD (%)
THD (%)
1
1 VCC = 5 V Ta = 27C L-in, R-in L-out, R-out Rg = 600 RL = 10 k HPF: 400 Hz LPF: 30 kHz f = 1 kHz 100 1 000 10 000
0.1
0.1
0.01 0.01
0.1
1
10
100
0.01 10
Frequency (kHz)
Input level (mV[rms])
24
SDC00036BEB
AN7515SH
I Technical Data (continued)
2. Main characteristics (continued) 3) Line amplifier (1) VCC = 5 V, Ta = 27C Gain Frequency
8 VCC = 5 V, Ta = 27C L-in, R-inL-out, R-out Rg = 600 , RL = 10 k HPF: None, LPF: None VIN = 0.5 V[rms] 10 000
Output level Input level
Output level (mV[rms])
7
1 000
Gain (dB)
6
100
5
VCC = 5 V Ta = 27C L-in, R-in L-out, R-out Rg = 600 RL = 10 k HPF: 400 Hz LPF: 30 kHz f = 1 kHz 100 1 000 10 000
4 0.01
0.1
1
10
100
10 10
Frequency (kHz)
Input level (mV[rms])
THD Frequency
100 VCC = 5 V, Ta = 27C L-in, R-inL-out, R-out Rg = 600 , RL = 10 k HPF: None, LPF: None VIN = 0.5 V[rms]
100 VCC = 5 V Ta = 27C L-in, R-in L-out, R-out 10 Rg = 600 RL = 10 k HPF: 400 Hz LPF: 30 kHz f = 1 kHz 1
THD Input level
10
THD (%)
1
0.1
THD (%)
0.1 1 10 100
0.1
0.01 0.01
0.01 10
100
1 000
10 000
Frequency (kHz)
Input level (mV[rms])
SDC00036BEB
25
AN7515SH
I Technical Data (continued)
2. Main characteristics (continued) 4) Volume (1) VCC = 3.3 V, Ta = 27C
0 -10 -20 -30 1
Gain Volume voltage
10
THD Volume voltage
VCC = 3.3 V, Ta = 27C RG = 600 , RL = 10 k f = 1 kHZ VIN = 160 mV[rms] HPF = 400 Hz, LPF = 30 kHz
Gain (dB)
-50 -60 -70 -80 -90 -100 0 0.5 1 1.5 2 VCC = 3.3 V Ta = 27C RG = 600 RL = 10 k f = 1 kHZ VIN = 160 mV[rms] HPF = 400 Hz LPF = 30 kHz 2.5 3 3.5
THD (%)
-40
0.1
0.01
0.001 0 0.5 1 1.5 2 2.5 3 3.5
Volume voltage (V)
Volume voltage (V)
(2) VCC = 5 V, Ta = 27C Gain Volume voltage
0 -10 -20
10
THD Volume voltage
VCC = 5 V, Ta = 27C RG = 600 , RL = 10 k f = 1 kHZ VIN = 230 mV[rms] HPF = 400 Hz, LPF = 30 kHz
1
-30 -40 -50 -60 -70 -80 -90 -100 0 0.5 1 1.5 2 2.5 3 VCC = 5 V Ta = 27C RG = 600 RL = 10 k f = 1 kHz VIN = 230 mV[rms] HPF = 400 Hz LPF = 30 kHz 3.5 4 4.5 5
Gain (dB)
THD (%)
0.1
0.01
0.001 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Volume voltage (V)
Volume voltage (V)
5) Bass boost Gain Frequency
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 0.01 0.1 1 10 100 Bass boost off VCC = 5 V, Ta = 27C L-in, R-inL-out, R-out RG = 14 k, RL = 8 HPF: None LPF: None VIN = 0.1 V[rms] C2 = 0.1 F C28 = 0.1 F Bass boost on
Gain (dB)
Frequency (kHz)
26
SDC00036BEB
AN7515SH
I Usage Notes
1. 1) Make sure that the IC is free of otput-VCC short, output-GND short and load short. 2) The thermal protection circuit operates at a Tj of approximately 150C. The thermal protection circuit is reset automatically when the temperature drops. 3) Beep in pin should not be down more than - 0.3 V. 4) The IC should not be inserted in reverse. 2. The IC has the possibility of break-down as follows. 1) Reverse connection of the VCC and GND. 2) The power supply connection to output-pins (pin 55, pin 54, pin 2 and pin 3), when VCC and GND are opened. 3) Output-GND short, when GND pin is opened. 4) Output pins (pin 55, pin 54, pin 2 and pin 3) short to GND. 5) Output pins (pin 55, pin 54, pin 2 and pin 3) short to VCC . 6) Short between outputs. 7) Reverse insertion.
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27
Request for your special attention and precautions in using the technical information and semiconductors described in this material
(1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and after-unpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company.
Please read the following notes before using the datasheets
A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited.
2001 MAR
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