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High Performance Class-D Speaker Amplifier Series
7W+7W Class-D Speaker Amplifier for Analog Input
BD5427MUV
No.09075EAT07
Overview BD5427MUV is a 7W + 7W stereo class-D power amplifier IC, developed for space-saving and low heat-generation applications such as low-profile TV sets. The IC employs state-of-the-art Bipolar, CMOS, and DMOS (BCD) process technology that eliminates turn-on resistance in the output power stage and internal loss due to line resistances up to an ultimate level. With this technology, the IC has achieved high efficiency of 80% (7W + 7W output with 8 load), which is the top class in the industry. The IC, in addition, employs a compact back-surface heat radiation type power package to achieve low power consumption and low heat generation and eliminates necessity of installing an external radiator, up to a total output of 14W. This product satisfies both needs for drastic downsizing, low-profile structures and powerful, high-quality playback of the sound system. Features 1) A high efficiency of 80% (7W + 7W output with 8 load), which is the highest grade in the industry and low heat-generation. 2) Driving a lowest rating load of 6 is allowed. 3) Pop noise upon turning power on/off and power interruption has been reduced. 4) High-quality audio muting is implemented by soft-switching technology. 5) High-reliability design provided with built-in protection circuits against high temperatures, against VCC shorting and GND shorting, against reduced-voltage, and against applying DC voltage to speaker. 6) A master/slave function allowing synchronization of multiple devices reduces beat noises. 7) Adjustment of internal PWM sampling clock frequencies (250kHz to 400kHz) allows easy protective measures against unwanted radio emission to AM radio band. 8) A compact back-surface heat radiation type power package is employed. VQFN048V7070 7.0mm x 7.0mm x 1.0mm, pitch 0.5mm
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1/15
2009.06 - Rev.A
BD5427MUV
Technical Note
Absolute Maximum Ratings A circuit must be designed and evaluated not to exceed absolute maximum rating in any cases and even momentarily, to prevent reduction in functional performances and thermal destruction of a semiconductor product and secure useful life and reliability. The following values assume Ta =25. For latest values, refer to delivery specifications. Item Supply voltage Power dissipation Input voltage for signal pin Input voltage for control pin Input voltage for clock pin Operating temperature range Storage temperature range Maximum junction temperature Symbol VCC Pd VIN VCONT VOSC Topr Tstg Tjmax Rating +20 3.28 4.8 -0.2 +7.2 -0.2 Vcc+0.2 -0.2 +7.2 -40 +85 -55 +150 +150 Unit V W W V V V (Note 3) (Note 4) Pin 6, 7 (Note 1) Pin 28, 32 (Note 1) Pin 31 (Note 1) Conditions Pin 2, 14, 15, 22, 23, 38, 39, 46, 47 (Note 1, 2)
(Note 1) A voltage that can be applied with reference to GND (pins 5, 18, 19, 42, and 43) (Note 2) Pd and Tjmax=150 must not be exceeded. (Note 3) 114.3mm x 76.2mm x 1.6mm FR4 2-layer glass epoxy board (Copper Area 5505mm2) installed. If used under Ta=25 or higher, reduce 26.2mW for increase of every 1. The board is provided with thermal via. (Note 4) 114.3mm x 76.2mm x 1.6mm FR4 4-layer glass epoxy board (Copper Area 5505mm2) installed. If used under Ta=25 or higher, reduce 38.4mW for increase of every 1. The board is provided with thermal via.
Operating Conditions The following values assume Ta =25. Check for latest values in delivery specifications. Symbol Rating Unit Item Supply voltage Load resistance
(Note 5) Pd should not be exceeded.
Conditions
VCC RL
+10+16.5 6 16
V
Pin 2, 14, 15, 22, 23, 38, 39, 46, 47 (Note 5)
Electrical Characteristics Except otherwise specified Ta = 25, VCC = 12V, fIN = 1kHz, Rg = 0, RL = 8MUTEX="H", MS="L" For latest values, refer to delivery specifications. Representative Symbol Unit Conditions Item value Whole circuit Circuit current 1 (Sampling mode) Circuit current 2 (Muting mode) Control circuit "H" level input voltage "L" level input voltage Audio circuit Voltage gain Maximum output power (Note 6) Total harmonic distortion (Note 6) Crosstalk Output noise voltage (Sampling mode) Residual noise voltage (Muting mode) Internal sampling clock frequency GV PO THD CT VNO VNOM FOSC 28 7 0.1 85 80 1 250 dB W % dB Vrms Vrms kHz PO = 1W THD+N = 10% PO = 1W, BW=20Hz20kHz PO = 1W, Rg = 0, BW = IHF-A Rg = 0, BW = IHF-A Rg = 0, BW = IHF-A, MUTEX = "L" MS = "L" (In master operation) VIH VIL 2.312 00.8 V V MUTEX, MS MUTEX, MS ICC1 ICC2 25 10 mA mA With no signal MUTEX = "L"
(Note 6) The rated values of items above indicate average performances of the device, which largely depend on circuit layouts, components, and power supplies. The reference values are those applicable to the device and components directly installed on a board specified by us.
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2/15
2009.06 - Rev.A
BD5427MUV
Electrical characteristic curves (Reference data) (1) Under Stereo OperationRL=8
Technical Note
100 Vcc=12V RL=8 BW=2020kHz 6kHz
100 10 THD+N (%) 1 0.1
100Hz
10 THD+N (%)
Vcc=12V RL=8 Po=1W BW=2020kHz
1 1kHz
0.1
0.01
100
0.01 0.001
0.01
0.1 1 OUTPUT POWER (W)
10
10
100
1000
10000
100000
FREQUENCY (Hz)
Fig. 2 THD+N Frequency
Fig. 1 THD+N Output power
40 35 VOLTAGE GAIN (dB) 25 20 15 10 5 0 10 100 1000 FREQUENCY (Hz) 10000 100000 CROSSTALK (dB) 30 Vcc=12V RL=8 Po=1W L=33H C=0.47F C=0.1F
0 -20 -40 -60 -80 -100 10 100 1000 FREQUENCY (Hz) 10000 100000 Vcc=12V RL=8 Po=1W BW=2020kHz
Fig. 3 Voltage gain - Frequency
Fig. 4
Crosstalk - Frequency
0 CROSSTALK (dB) -20 -40 -60 -80 -100 0.001
20
Vcc=12V RL=8 fin=1kHz BW=2020kHz
OUTPUT POWER (W)
15 10 5 0 8
RL=8 fin=1kHz THD=10%
0.01
0.1
1
10
100
10
OUTPUT POWER (W)
Fig. 5 Crosstalk - Output power
12 14 VCC (V)
16
18
Fig. 6 Output power - Power supply voltage
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3/15
2009.06 - Rev.A
BD5427MUV
Electrical characteristic curves (Reference data) - Continued
Technical Note
100 90 80 70 60 50 40 30 20 10 0 0
Vcc=10V RL=8 fin=1kHz
100 90 80 70 60 50 40 30 20 10 0 0
EFFICIENCY (%)
EFFICIENCY (%)
Vcc=12V RL=8 fin=1kHz
5 10 OUTPUT POWER (W/ch) Fig. 7 Efficiency - Output power
15
5 10 OUTPUT POWER (W/ch) Fig. 8 Efficiency - Output power
15
100 90 80 70 60 50 40 30 20 10 0 0 5 10
3 Vcc=16.5V 2 ICC (A) Vcc=10V 1 RL=8 fin=1kHz 0 15 0 5 10 15 20 25 30 35 40 OUTPUT POWER (W/ch) TOTAL OUTPUT POWER (W) Vcc=12V
EFFICIENCY (%)
Vcc=16.5V RL=8 fin=1kHz
Fig. 9 Efficiency - Output power
Fig. 10 Current consumption - Output power
100 90 80 70 60 50 40 30 20 10 0 8
0
RL=8 Without signal
-20 NOISE FFT (dBV) -40 -60 -80 -100 -120 -140 10 100
ICC (mA)
Vcc=12V RL=8 Without signal BW=20 20kHz
Sampling
Mute
10
12
14 VCC (V)
16
18
1000
10000
100000
FREQUENCY (Hz)
Fig. 12 FFT of Output Noise Voltage
Fig. 11 Current consumption - Power supply voltage
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4/15
2009.06 - Rev.A
BD5427MUV
Electrical characteristic curves (Reference data) - Continued
Technical Note
MUTEX Pin 28
10V/div
TM Pin 34
5V/div
MUTEX Vcc=12V Pin 28 RL =8 Po=500m W fin=500Hz TM Pin 34
10V/div
5V/div
Vcc=12V RL =8 Po=500mW fin=500Hz
Speaker output
2V/div 10msec/div
Speaker output
2V/div
10msec/div
Fig. 13 Wave form when Releasing Soft-mute
Fig. 14 Wave form when Activating Soft-mute
VCCA VHOLD Pin 35 TM Pin 34 5V/div
VCCA Vcc=12V RL =8 Po=500m W TM fin=3kHz Pin 34 VHOLD Pin 35 5V/div Vcc=12V RL =8 Po=500mW fin=3kHz
5V/div
5V/div
Speaker output
2V/div
Speaker output
2msec/div
2V/div
20msec/div
Fig. 15 Wave form on Instantaneous Power Interruption (20msec / div)
Fig. 16 Wave form on Instantaneous Power Interruption (2msec / div)
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5/15
2009.06 - Rev.A
BD5427MUV
Electrical characteristic curves (Reference data) (2) Under Stereo OperationRL=6
Technical Note
25 20 15 10 5 0 8 10 12 14 VCC (V) 16 18 RL=6 fin=1kHz THD=10%
OUTPUT POWER (W)
Fig. 17 Output power - Power supply voltage
100 90 80 70 60 50 40 30 20 10 0 0
Vcc=10V RL=6 fin=1kHz
100 90 80 70 60 50 40 30 20 10 0 0
EFFICIENCY (%)
EFFICIENCY (%)
Vcc=12V RL=6 fin=1kHz
5 10 15 OUTPUT POWER (W/ch)
Fig. 18 Efficiency - Output power
20
5 10 15 OUTPUT POWER (W/ch)
Fig. 19 Efficiency - Output power
20
100 90 80 70 60 50 40 30 20 10 0 0
4 3 Vcc=12V ICC (A) 2 1 0
5 10 15 OUTPUT POWER (W/ch)
Fig. 20 Efficiency - Output power
Vcc=16.5V RL=6 fin=1kHz
EFFICIENCY (%)
Vcc=16.5V
Vcc=10V RL=6 fin=1kHz 0 5 10 15 20 25 30 35 40
20
TOTAL OUTPUT POWER (W)
Fig. 21 Current consumption - Output power
Dotted lines of the graphs indicate continuous output power to be obtained on musical signal source or by installing additional heat sinks.
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6/15
2009.06 - Rev.A
BD5427MUV
Pin Assignment Top View
BSP1P N.C. N.C. BSP2P GNDA VCCA N.C. FILA FILP N.C.
Technical Note
IN1 7
12
11
N.C.
10
N.C.
9
N.C.
8
N.C.
IN2 6
GNDA
5
FILA
4
FILP
3
VCCA
2
1
Power Limit
N.C. 13 N.C. VCCP1P VCCP1P OUT1P OUT1P GNDP1 GNDP1 OUT1N OUT1N VCCP1N VCCP1N N.C. 14 15 16 17 18 19 20 21 22 23
WARNING ERROR DRIVER 1N Protections & Logic DRIVER 1P
N.C. 48
N.C.
47 VCCP2P
PWM1 PWM2
46 VCCP2P
DRIVER 2P
45 OUT2P 44 OUT2P 43 GNDP2 42 GNDP2
DRIVER 2N
41 OUT2N 40 OUT2N 39 VCCP2N 38 VCCP2N
Under Voltage Protection High Temperature Protection Output Short Protection Output DC Voltage Protection Ramp Generator
Power-Off Detector
Clock Control
Mute Control
24 N.C.
SOFT MUTE
N.C. 37
N.C.
N.C. N.C.
25 BSP1N
26 WARNING
27 ERROR
28 MUTEX
29 N.C.
30 N.C.
31 OSC
32 MS
33 ROSC
34 TM
35 VHOLD
36 BSP2N
Fig. 22 Pin Assignment Diagram Outer Dimensions and Inscriptions
Type
BD5427
Lot No.
Fig. 23 Outer Dimensions and Inscriptions of VQFN048V7070 Package
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7/15
2009.06 - Rev.A
BD5427MUV
Explanation of Pin Functions (Provided pin voltages are typical values.) No. Symbol Pin voltage Pin description
Technical Note
Internal equalizing circuit
2
VCCA
Vcc
Analog system power pin
2
3
FILP
Vcc+35 12
PWM system bias pin
3
Connect a capacitor.
5
2
Analog signal system bias pin 4 FILA 3.5V Connect a capacitor.
4
5
5
GNDA
0V
Analog system GND pin
2
6 7
IN2 IN1
3.5V
ch2 Analog signal input pin ch1 Analog signal input pin Input audio signal via a capacitor.
6/7
20k
5
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8/15
2009.06 - Rev.A
BD5427MUV
Explanation of Pin Functions - Continued No. Symbol Pin voltage Pin description ch1 positive bootstrap pin Connect a capacitor.
Technical Note
Internal equalizing circuit
1 4,1 5
12
BSP1P
-
12
14, 15
VCCP1P
Vcc
ch1 positive power system power supply pin
1 6,1 7
16, 17
OUT1P
Vcc0V
ch1 positive PWM signal output pin Connect with output LPF.
1 8 ,1 9
18, 19
GNDP1
0V
ch1 power system GND pin
2 2 ,2 3
20, 21
OUT1N
Vcc0V
ch1 negative PWM signal output pin Connect with output LPF.
25
2 0 ,2 1
22, 23
VCCP1N
Vcc
ch1 negative power system power supply pin
25
BSP1N
-
ch1 negative bootstrap pin Connect a capacitor
1 8 ,1 9
2
Warning output pin H: 5V L: 0V Pin to notify operation warning. H: Under warning L: Normal operation Connect a resister.
5 2k 26
26
WARNING
2
Error output pin H: 5V L: 0V A pin for notifying operation errors. H: Error L: Normal operation Connect a resister.
5 2k 27
27
ERROR
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9/15
2009.06 - Rev.A
BD5427MUV
Explanation of Pin Functions - Continued No. Symbol Pin voltage Pin description
Technical Note
Internal equalizing circuit
2
Audio mute control pin 28 MUTEX H: Mute off L: Mute on
28
120k
5
8, 9 10, 11 13, 24 29, 30 37, 48
N.C.
-
N.C. pin Nothing is connected with IC internal circuit.
Sampling clock signal input/output pin 31 OSC When using two or more sampling clocks, connect via a capacitor.
2
Master/Slave switching pin 32 MS Switching of master/slave functions on a sampling clock signal. H: Slave operation L: Master operation
120k 32 80k 5
2
Internal PWM sampling clock frequency setting pin 33 ROSC 5.6V
6/7
20k
Usually the pin is used open. To adjust an internal sampling clock frequency, connect a resister.
5
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10/15
2009.06 - Rev.A
80k
BD5427MUV
Explanation of Pin Functions - Continued No. Symbol Pin voltage Pin description
Technical Note
Internal equalizing circuit
2
Audio muting constant setting pin 34 TM 05V Connect a capacitor.
34
5
2
180k
Instantaneous power interruption detecting voltage setting pin 35 VHOLD 0.68xVcc
35
Connect a capacitor. To adjust a detecting voltage, connect a resister.
5
36
BSP2N
-
ch2 negative bootstrap pin Connect a capacitor.
3 8 ,3 9
36
38, 39
VCCP2N
Vcc
ch2 negative power system power supply pin
4 0 ,4 1
40, 41
OUT2N
Vcc0V
ch2 negative PWM signal output pin Connect an output LPF.
4 2 ,4 3
42, 43
GNDP2
0V
cch2 power system GND pin
4 6 ,4 7
44, 45
OUT2P
Vcc0V
ch2 positive PWM signal output pin Connect an output LPF.
1
4 4 ,4 5
46, 47
VCCP2P
Vcc
ch2 positive power system power supply pin
1
BSP2P
-
ch2 positive bootstrap pin Connect a capacitor.
4 2 ,4 3
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11/15
390k
2009.06 - Rev.A
BD5427MUV
Application Circuit Diagram Vcc=10V16.5V
Technical Note
SP INPUT 1 ch
SP INPUT 2 ch
GND A
2.2F
2.2F
C2 10F
C5
C7
C6
12
11 N.C.
10 N.C.
9 N.C.
8 N.C.
7
6 GNDA
5
C4 10F
4 FIL P
C3 1F
N.C.
N.C.
N.C.
N.C.
3 V CC A
0.1F 2
+
V CC A 1 FIL A
VCCP1
C12 0.68F
N.C.
13 N.C. 14
N.C. 48 47
PWM 1 PWM 2
N.C.
C1 0.68F
VCCP2
C15 10F +
L16 33H
C14 0.1F
15 16 17 18 19 20
46 45 44 43 42 41 40 39
C46 0.1F
DRIVER 1P
DRIVER 2P
L44 33H
+ C39 10F
C17 0.47F
C16 0.1F
C44 0.1F
C41 0.47F
SP 1 ch (8 )
GNDP 1
C20 0.1F
C40 0.1F
GNDP 2
33H L20
DRIVER 1N
Protections & Logic Under Voltage Protection High Temperature Protection Output Short Protection Output DC Voltage Protection Ramp Generator
DRIVER 2N
SP 2 ch (8 )
C22 0.1F
21 22
C38 0.1F
33H L40
WARNING
ERROR
N.C. 24
Power-Off Detector
Clo ck Con t rol
C25 0.68F
23 N.C.
38 SOFT MUTE N.C. 37 N.C.
C36 0.68F
Mute Control N.C. 28 29 N.C.
N.C. 30 N.C. 31 0.1F 32 33 OPEN 34 35 36
25
26 R26 100k
27 R27 100k
C31
0.1F GNDD
WARNING OUT PUT GNDD
GNDD
ERROR OUTPUT
Fig. 24 Circuit Diagram of Stereo Operation with 8 Load
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C AREER I / O
MUTEX
M AS TER
SL A VE
3.3F C35
C34
12/15
2009.06 - Rev.A
BD5427MUV
Table 1 BOM List of Stereo Operation with 8 Load
Configuration No. 1 2 3 4 5 6 7 8 9 10 11 12 Item IC C C C C C C C C C C R Part Number BD5427MUV GRM219B31E684KA88 GRM188R11H104KA93 GRM21BB11H104KA01 25ST225M3225 50ST474M3225 GRM21BB31E335KA75 GRM188B11E104KA01 GRM21BB11C105KA01 GRM21BB31C106KE15 25SVPD10M MCR01MZPF1003 Vendor mm ROHM MURATA MURATA MURATA Rubycon Rubycon MURATA MURATA MURATA MURATA SANYO ROHM inch 0.68F 0.1F 0.1F 2.2F 0.47F 3.3F 0.1F 1F 10F 10F 100k VQFN048V7070 2012 1608 2012 3225 3225 2012 1608 2012 2012 6666 1005 0805 0603 0805 1210 1210 0805 0603 0805 0805 2626 0402 Value Rated voltage 25V 50V 50V 25V 50V 25V 25V 16V 16V 25V 50V Tolerance 10% 15% 10% 20% 20% 10% 10% 10% 10% 20% 1% Temperature characteristics 10% 15% 10% 5% 5% 10% 10% 10% 10% 25% 200ppm/ Quantity 1 4 5 4 2 2 1 2 1 1 3 2
Technical Note
Reference IC1 C1, C12, C25, C36 C5, C14, C22, C38, C46 C16, C20, C40, C44 C6, C7 C17, C41 C35 C31, C34 C3 C4 C2, C15, C39 R26, R27
Configuration No. 13 Item L Part Number 7G09B-330M Vendor SAGAMI mm 10x9x10 Value 33Hx2 Tolerance 20%
DC Resistance 52mmax.
Rated DC Current 2.0A max.
Quantity 2
Reference L16, L20, L40, L44
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13/15
2009.06 - Rev.A
BD5427MUV
Technical Note
Ordering part number 1. About absolute maximum ratings If an applied voltage or an operating temperature exceeds an absolute maximum rating, it may cause destruction of a device. A result of destruction, whether it is short mode or open mode, is not predictable. Therefore, provide a physical safety measure such as fuse, against a special mode that may violate conditions of absolute maximum ratings. 2. About power supply line As return of current regenerated by back EMF of output coil happens, take steps such as putting capacitor between power supply and GND as a electric pathway for the regenerated current. Be sure that there is no problem with each property such as emptied capacity at lower temperature regarding electrolytic capacitor to decide capacity value. If the connected power supply does not have sufficient current absorption capacity, regenerative current will cause the voltage on the power supply line to rise, which combined with the product and its peripheral circuitry may exceed the absolute maximum ratings. It is recommended to implement a physical safety measure such as the insertion of a voltage clamp diode between the power supply and GND pins. 3. Potential of GND (5, 18, 39, 42, and 43 pins) Potential of the GND terminal must be the lowest under any operating conditions. 4. About thermal design Perform thermal design with sufficient margins, in consideration of maximum power dissipation Pd under actual operating conditions. This product has an exposed frame on the back of the package, and it is assumed that the frame is used with measures to improve efficiency of heat dissipation. In addition to front surface of board, provide a heat dissipation pattern as widely as possible on the back also. A class-D power amplifier has heat dissipation efficiency far higher than that of conventional analog power amplifier and generates less heat. However, extra attention must be paid in thermal design so that a power dissipation Pdiss should not exceed the maximum power dissipation Pd. T jmax - Ta Tjmax: Maximum temperature junction = 150[] Pd W Maximum power dissipation Ta: Operating ambient temperature [] ja ja: Package thermal resistance [/W] 1 Po: Output power [W] Pdiss PO - 1 W Power dissipation : Efficiency 5. About operations in strong electric field Note that the device may malfunction in a strong electric field. 6. Thermal shutdown (TSD) circuit This product is provided with a built-in thermal shutdown circuit. When the thermal shutdown circuit operates, the output transistors are placed under open status. The thermal shutdown circuit is primarily intended to shut down the IC avoiding thermal runaway under abnormal conditions with a chip temperature exceeding Tjmax = 150, and is not intended to protect and secure an electrical appliance. Accordingly, do not use this circuit function to protect a customer's electrical appliance. 7. About shorting between pins and installation failure Be careful about direction and displacement of an LSI when installing it onto the board. Faulty installation may destroy the LSI when the device is energized. In addition, a foreign matter getting in between LSI pins, pins and power supply, and pins and GND may cause shorting and destruction of the LSI. 8. About power supply startup and shutdown When starting up a power supply, be sure to place the MUTEX pin (pin 28) at "L" level. When shutting down a power supply also, be sure to place the pin at "L" level. Those processes reduce pop noises generated upon turning on and off the power supply. In addition, all power supply pins must be started up and shut down at the same time. 9. About WARNING output pin (pin 26) and ERROR output pin (pin 27) A WARNING flag is output from the WARNING output pin upon operation of the high-temperature protection function and under-voltage protection function. And an ERROR flag is output from the ERROR output pin upon operation of VCC/GND shorting protection function and speaker DC voltage applying protection function. These flags are the function which the condition of this product is shown in. The use which aimed at the protection except for this product is prohibition. 10. About N.C. pins (pins 8, 9, 10, 11, 13, 24, 29, 30, 37, and 48) The N.C. (Non connection) pins are not connected with an internal circuit. Leave the pins open or connect them to GND.
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14/15
2009.06 - Rev.A
BD5427MUV
Ordering part number
Technical Note
B
Part No BD.
D
5
Part No. 5427
4
2
7
M
U
V
-
E
2
Package MUV: VQFN048V7070
Packaging and forming specification E2: Embossed tape and reel
VQFN048V7070
7.0 0.1

Tape Quantity Embossed carrier tape 1500pcs E2
The direction is the 1pin of product is at the upper left when you hold
7.00.1
1PIN MARK
1.0MAX
Direction of feed
S
( reel on the left hand and you pull out the tape on the right hand
)
0.08 S
C0.2 1 48
4.7 0.1
12
13
0.40.1
37 36 25
24
4.70.1
+0.03 0.02 -0.02
(0.22)
0.75
0.5
+0.05 0.25 -0.04
1pin (Unit : mm) Reel
Direction of feed
Order quantity needs to be multiple of the minimum quantity.
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15/15
2009.06 - Rev.A
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law.
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