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CD-ROM 48X RF AMP
S1L9251X
INTRODUCTION
CD-ROM 48X RF AMP Chip is RF pre signal processor and processes signals from optical pick-up. This chip processes main signal through summing amp, AGC block, EQ block, and generates SERVO error signals for SERVO control. It can playback CD-ROM and CD-RW disc.
MAIN FEATURES (FEATURES, CHARACTERISTICS)
* CD-ROM 48X -- 1, 4, 8: CLV mode -- Maximum Speed of 48X: CAV mode * * * * * * * * * * * * * Support CD-R/RW disc RF Amp & Equalizer Focus Error Amp Tracking Error Amp (3-Beam) Mirror (RFCT, RFRP) Signal Detection Defect Signal Detection Built-in AGC Function ALPC (Automatic Laser Power Control) Block Built-in RF Envelop Detector SBAD Signal Generation Signal Generation for Center Position Servo Built-in Serial Interface Port Power Down Mode
1
S1L9251X
CD-ROM 48X RF AMP
BLOCK DIAGRAM
Internal Block Diagram
CM4 44
CM8 43
RFO 42
LPFADJ 41
PLLF 40
CLPF 39
CAGC 38
AGCIN 37
RFEQO 36
CP_ENV 35
RFRPI 34
LDO
1
33
RFRP
PD
2
Vbg
+
VCC
LPF
AGC 32 CP2
SUM
3 +
31 +
CB2
+ 30
DVCC Peak
A
4
RFCT
+ 29 CDFCT
B
5
offset
Peak + C 6 Bottom + DVC
+ Peak Bottom + 28 CC2
D
7
27
CC1
+ -
+ -
Peak +
DVCC
VCC
8 + + +
26
DFCT
VR
9
25
+ + + +
SERIAL I/F
VDD
E
10
+
24
RFEN
F
11
23
RFDATA
12 GND
13 DVCC
14 DVC
15 FE
16 SBAD
17 TE
18 VSS
19 CSERC
20 CSERVO
21 SEROUT
22 RFCLK
2
CD-ROM 48X RF AMP
S1L9251X
External Application
RF Output
VR
DSP
VCC
44 CM4
43 CM8
42 RFO
41 LPFADJ
40 PLLF
39 CLPF
38 CAGC
37 AGCIN
36 RFEQO
35 CP_ENV
34 RFRPI RFRP 33 32
1
LDO
RFRP Output
2
PD
CP2
VR
3 LD PD SUM A B C D E F LASER PICK UP 7 6 4
SUM
CB2
31
VR
A
RFCT 30 CDFCT 29 28
RFCT Output
5
B
C
CC2
D
CC1
27
VCC 2.5V Analog Voltage Output
8
VCC
DFCT 26 25
DFCT Output
9
VR VDD
VDD
10
E
RFEN 24 CSERVO SEROUT RFDATA 23
Enable Signal Input
CSERC
RFCLK
11
F DVCC SBAD GND DVC VSS FE TE
Serial Data Input
12
13
14
15
16
17
18
19
20
21
22
GND
DVCC 1.65V TE Output SBAD Output FE Output Center Servo Output Clock Input
3
S1L9251X
CD-ROM 48X RF AMP
PIN DESCRIPTION
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 29 30 31 Name LDO PD SUM A B C D VCC VR E F GND DVCC DVC FE SBAD TE VSS CSERC CSERVO SEROUT RFCLK RFDATA RFEN VDD DFCT CC1 CC2 CDFCT RFCT CB2 I/O O I I I I I I P O I I P P O O O O P I O O I I I P O O I I O O Output of ALPC block Input for ALPC block Input for ABCD signal Input for A signal Input for B signal Input for C signal Input for D signal Power input for Analog Block 2.5V Reference voltage output Input for E signal Input for F signal Ground for Analog Block Power input for Digital Block 1.65V Reference Voltage output Focus Error signal output Sub Beam ADD output Tracking Error signal output Digital GND Time constant setting for center position servo Time constant setting for center position servo Error signal output for center position servo Clock input for serial interface Data input for serial interface Data Enable input for serial interface Digital VDD Defect Detection Comparator output Bottom Hold output of Defect detection Amp DFCT Bottom Hold Capacitor for DFCT Bottom Hold RFCT output , ENV output Capacitor for RFRP, RFCT Description Related Block ALPC ALPC RFSUM RFSUM RFSUM RFSUM RFSUM Analog Bias TE Amp TE Amp Analog DSP Bias FE Amp SBAD TE Amp Digital SERVO SERVO SERVO S I/F S I/F S I/F Digital DFCT DFCT DFCT DFCT Mirror Mirror
4
CD-ROM 48X RF AMP
S1L9251X
PIN DESCRIPTION (Continued)
No 32 33 34 35 36 37 38 39 40 41 42 43 44 Name CP2 RFRP RFRPI CP_ENV RFEQO AGCIN CAGC CLPF PLLF LPFADJ RFO CM8 CM4 I/O O O I I O I I I I O O O O Description Capacitor for RFRP, RFCT RFRP output Input for MIRR Capacitor for Envelope Hold Summing and EQ signa of A,B,C,Dl Input for AGC Hold Capacitor for AGC LPF output buffer REF connecting pin RF Frequency control for wide band PLL LPF Frequency select for wide band PLL RF Signal Output EQ Boost frequency for 8X speed EQ Boost frequency for 4X speed Related Block Mirror Mirror MIRR ENV RFSUM AGC AGC AGC EQ EQ RFSUM EQ EQ
SERIAL INTERFACE
Serial Interface Timing Graph -- The Serial Interface controls the Disc type, Speed, AGC, and Laser Diode On/Off. -- The Timing Diagram of the Serial Interface is shown below:
RFEN RFDATA RFCLK
A7 A0 D7 D0 Address, 8-bit Data, 8-Bit
-- RFCLK : Clock synchronized with data from MICOM -- RFDATA : Address and Data from MICOM -- RFEN : Indicates Data is Enabled
5
S1L9251X
CD-ROM 48X RF AMP
Control signals generated from each Address are as below: * ADDRESS 01H; : RFEQ_SEL : ABCD_ATT ADDRESS 02H; : EQG_CEN : AGC_LVL : C48_SEL : CAV_SEL ADDRESS 03H; : AGCON : AGCIN_Z : GAIN_PLLF : PUP_SEL ADDRESS 04H; : TE_LPF : TE_ATT ADDRESS 05H; : DFCT_CNST : FE_LPF : FE_ATT ADDRESS 06H; : SERVO_OFST ADDRESS 07H; :TBAL ADDRESS 08H; : RFRP_FREQ : RFRP_TH : DFT_TH ADDRESS 09H; : SBAD_ATT : RFRP_ATT1 ADDRESS 0AH; : LD_ON ADDRESS 0BH; : RFRP_SEL ADDRESS 0FH; : MODE_SEL :PDmode
ADD 01H ADD 02H ADD 03H ADD 04H ADD 05H ADD 06H ADD 07H ADD 08H ADD 09H ADD 0AH ADD 0BH ADD 0FH
Table 1. Address Number
7 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 1 1 1 1 1 2 0 0 0 1 1 1 1 0 0 0 0 1 1 0 1 1 0 0 1 1 0 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 1
*
*
*
*
* * *
*
* * *
6
CD-ROM 48X RF AMP
S1L9251X
Serial Interface * Address: 01H DATA Function Initial Value 1 D7 D6 D5 D4 D3 RSV 1 0 0 D2 D1 ABCD_ATT 1 0 D0
RFEQ_SEL 0 0
RFEQ_SEL (D7 - D4): EQ Mode D7 0 0 0 0 0 0 0 0 1 1 1 D6 0 0 0 0 1 1 1 1 0 0 0 D5 0 0 1 1 0 0 1 1 0 0 1 D4 0 1 0 1 0 1 0 1 0 1 0 RF EQ SELECT 32X 26X 21X 19X 16X 13X 11X 8X(CAV) 8X(CLV) 4X 1X
ABCD_ATT (D2 - D0): ABCD attenuate gain select D2 0 0 0 0 1 1 1 D1 0 0 1 1 0 0 1 D0 0 1 0 1 0 1 0 MODE - 6dB - 2.5dB 0dB 2dB 3.5dB 5dB 6dB
7
S1L9251X
CD-ROM 48X RF AMP
*
Address : 02H DATA Function Initial Value D7 RSV 0 0 D6 D5 EQG_CEN 1 0 D4 D3 C48_SEL 0 D2 CAV_SEL 0 D1 D0
AGC_LVL 0 1
EQG_CEN (D6 - D4): Center gain fine control of EQ boost gain select D6 0 0 0 0 1 1 D5 0 0 1 1 0 0 D4 0 1 0 1 0 1 CENTER BOOST GAIN 3.5dB 4.5dB 5.5dB 6.5dB 7dB 7.5dB
C48_SEL (D3)
: 4X, 8X select 0 : 4X 1 : 8X
CAV_SEL (D2)
: CAV, CLV select 0 : CAV mode 1 : CLV mode
AGC_LVL (D1 - D0): Output level select of AGC Amp D1 0 0 1 1 1 1 D0 LEVEL 0.75V 1.0V 1.25V 1.5V
8
CD-ROM 48X RF AMP
S1L9251X
*
Address : 03H DATA Function Initial Value D7 AGCON 1 0 D6 D5 AGCIN_Z 0 1 D4 D3 PUP_SEL 1 0 D2 D1 GAIN_PLLF 1 1 D0
AGC ON (D7) 1 : AGC ON 0 : AGC OFF AGCIN_Z (D6 - D4): Input Impedance select of RF AGC D6 0 0 0 0 1 1 1 PUP_SEL (D3) D5 0 0 1 1 0 0 1 D4 0 1 0 1 0 1 0 IMPEDANCE 240k 60k 40k 30k 20k 15k 10k
: RF_SUM or A, B, C, D select 0 : RF_SUM Pick_Up 1 : ABCD_Pick_Up
GAIN_PLLF (D2 - D0): Peak Frequency Change Sensitivity Select of RF_EQ.according to PLLF' Voltage s D2 0 0 0 0 1 1 1 D1 0 0 1 1 0 0 1 D0 0 1 0 1 0 1 0 Frequency Change Sensitivity according to PLLF Voltage - 6dB - 4dB - 2dB 0dB 2dB 4dB 6dB
9
S1L9251X
CD-ROM 48X RF AMP
*
Address : 04H DATA Function Initial Value 0 D7 RSV 0 0 D6 D5 TE_LPF 0 D4 D3 RSV 0 0 D2 D1 TE_ATT 1 0 D0
TE_LPF (D5 - D4): TE LPF frequency select D5 0 0 1 1 D4 0 1 0 1 MODE 40 kHz 80 kHz 120kHz 360kHz
TE_ATT (D2 - D0): TE attenuate gain select D2 0 0 0 0 1 1 1 1 D1 0 0 1 1 0 0 1 1 D0 0 1 0 1 0 1 0 1 MODE - 6 dB - 2.5 dB 0 dB 1.5 dB 2.5 dB 3.5 dB 5 dB 6 dB
10
CD-ROM 48X RF AMP
S1L9251X
*
Address : 05H DATA Function Initial Value D7 D6 D5 FE_LPF 0 0 D4 D3 RSV 0 0 D2 D1 FE_ATT 1 0 D0
DFCT_CNST 0 0
DFCT_CNST (D7 - D6): Short time constant of defect detect block select D7 0 0 1 1 D6 0 1 0 1 DEFECT 100S/V 25S/V 12.5S/V 5.6S/V
FE_LPF (D5 - D4): FE LPF frequency select D5 0 0 1 1 D4 0 1 0 1 MODE 40 kHz 80 kHz 120kHz 360kHz
FE_ATT (D2 - D0): FE attenuate gain select D2 0 0 0 0 1 1 1 1 D1 0 0 1 1 0 0 1 1 D0 0 1 0 1 0 1 0 1 MODE - 6 dB - 2.5 dB 0 dB 1.5 dB 2.5 dB 3.5 dB 5 dB 6 dB FE ATT Gain
11
S1L9251X
CD-ROM 48X RF AMP
*
Address : 06H DATA Function Initial Value 1 0 0 D7 D6 D5 D4 D3 D2 D1 D0
SERVO_OFST 0 0 0 0 0
SERVO_OFST (D7 - D0): Center position servo offset level At "00", output of OFFSET is Min. At "FF", output of OFFSET is Max.
*
Address : 07H DATA Function Initial Value 1 0 0 0 D7 D6 D5 D4 TBAL 0 0 0 0 D3 D2 D1 D0
TBAL (D7 - D0): Output voltage swing level is below when Input conditions are E : 100mVpp 1kHz F : -100mVpp 1kHz TBAL 00 80 FF Output Voltage Level 1.25 Vpp 1 Vpp
0.85 Vpp
12
CD-ROM 48X RF AMP
S1L9251X
*
Address : 08H DATA Function Initial Value D7 D6 D5 D4 DFT_TH 0 0 0 0 D3 D2 D1 RFRP_TH 1 1 D0
RFRP_FREQ 0 0
RFRP_RFEQ (D7 - D6): RFRP PEAK-BOTTOM HOLD Frequency Select D7 0 0 1 1 D6 0 1 0 1 RFRP FREQ 40 kHz 80 kHz 120 kHz 360 kHz RFRP LPF 80 kHz 160kHz 240kHz 720kHz
DFT_TH (D5 - D3): DEFECT Slicer Level Select D5 0 0 0 0 1 1 1 1 D4 0 0 1 1 0 0 1 1 D3 0 1 0 1 0 1 0 1 SLICE LEVEL 50mV 100mV 200mV 300mV 400mV 500mV 600mV 700mV
RFRP_TH (D2 - D0): RFRP Level Selec D2 0 0 0 0 1 1 1 D1 0 0 1 1 0 0 1 D0 0 1 0 1 0 1 0 OFFSET LEVEL -300mV -200mV - 100mV 0mV 100mV 200mV 300mV
13
S1L9251X
CD-ROM 48X RF AMP
*
Address : 09H DATA Function Initial Value D7 RSV 0 0 D6 D5 RFRP_ATT1 1 0 D4 D3 RSV 0 0 D2 D1 SBAD_ATT 1 0 D0
RFRP_ATT1 (D6 - D4): RFRP Output Level Select D6 0 0 0 0 1 D5 0 0 1 1 0 D4 0 1 0 1 0 MODE - 200mVpp - 100mVpp 0mVpp 100mVpp 200mVpp
* When 1Vpp, 7% modulation, 10kHz carrier input, output Vpp change amount. SBAD_ATT (D2-D0): SBAD Output Gain Select D2 0 0 0 0 1 1 1 1 D1 0 0 1 1 0 0 1 1 D0 0 1 0 1 0 1 0 1 MODE - 6 dB - 2.5 dB 0 dB 1.5 dB 2.5 dB 3.5 dB 5 dB 6 dB
*
Address : 0AH DATA Function Initial Value 0 0 0 D7 D6 D5 D4 RSV 0 0 0 0 D3 D2 D1 D0 LD_ON 1
LD_ON (D0)
: LD On/Off Select 0 : LD OFF 1 : LD ON
14
CD-ROM 48X RF AMP
S1L9251X
*
Address : 0BH DATA Function Initial Value 0 0 0 D7 D6 D5 D4 RSV 0 0 0 0 D3 D2 D1 D0 RFRP_SEL 0
RFRP_SET (D0): RFRP Block Output Select D0 0 1 OUTPUT RFRP, RFCT ENVELOPE
*
Address : 0FH DATA Function Initial Value 0 D7 D6 RSV 0 0 D5 D4 MODE_SEL 1 0 D3 D2 RSV 0 0 D1 D0 PDmode 1
MLDE_SEL (D4)
: CD-ROM, CD-RW Select
0 : CD-RW 1 : CD-ROM PDmode (D0) : Power Down Mode On/Off Select 0 : Power Down Mode 1 : Normal Mode
15
S1L9251X
CD-ROM 48X RF AMP
BLOCK DESCRIPTION
Tracking Error Amp
F .TBAL VR E
.TE_ATT .MODE_SEL VR
+ + +
+
+ -
TE
VR
.TE_LPF
VOFST
-- The Gain of the E, F signals are controlled by the Tracking Balance signal(TBAL). -- The output of TE AMP is expressed by -K(E-F). -- CD-ROM or CD-RW operation is selected by CDRW signal. -- Output stage is compatible to 3.3 V Servo operation.
Focus Error Amp
VR A C .FE_ATT
+ -
.Mode
+
VR
+ -
FE
B D VOFST
.FE_LPF
-- The Gain of the input signals A, C and B, D can be adjusted by the Focus Balance signal. -- FE signal is expressed by - K {(PAC) - (PBD)}. -- CD-ROM or CD-RW operation is selected by CDRW signal. -- Output stage is compatible to 3.3 V Servo operation.
16
CD-ROM 48X RF AMP
S1L9251X
AGC & EQ
CM4 CM8 .RFEQ_SEL
.EQG_CEN .CAV_SEL
SUM a b c d Pick-UP
.PUP_SEL + +
.ABCD-ATT
.Mode_SEL
+ -
RFEQO
.AGCON/OFF .AGC-LVL .AGCIN_Z AGCIN
.GAIN_PLLF .RFEQ_SEL
AGC
LPF
RFO
CAGC
CLPF CLPFi PLLF LPFADJ
-- Input level of RF AMP signal is convert to ouput level selected by AGC block. -- It is discreminated that CD-ROM or CD-RW. -- AGC Amp is designed to work with the Wide Range PLL. -- Boost Control of the Summing Amp is possible using the EQ Control Switc RFRP & RFCT Block & Envelope Detector
PEAK -HOLD2 + Voffset RFCT vcc
BOTTOM -HOLD2
A1
vcc
PEAK -HOLD1
vr RFRPI
dvc
+ BOTTOM -HOLD1
+ -
+ -
+ -
RFRP
dvc
A2
AGCIN cp_env Peak
A3
+ -
vofst
1 1
-- This circuit generates RF's amplitude signals by detecting the upper envelope, using Servo Control signals for Focus Error signal balance adjustment. -- Capacitance connected to CE that decides the time-constant value. -- RFRP is a block for detecting signals crossing the Track. -- Using the AC-coupled ABCD signals, carries out Peak and Bottom hold operation.
17
S1L9251X
CD-ROM 48X RF AMP
Defect Detector Block
CC1 VR
VR A B C D
+ -
+ -
CC2 .RFRP_FREQ
PeakHold
DVCC
+ .DFT_TH
+
DFCT
.Mode_sel
+ VR CDFCT
-- Block for detecting defects such as disc scratch or finger prints. -- External capacitor decides the time constant value. -- It detects ABCD signals through high speed peak hold and low speed bottom hold. -- After add DC to high speed peak hold, .then compares it to low-speed peak hold output.
ALPC
CD-ON AVSS vdc125
+ -
+ -
.LD_OFF
+
AVDD
LDO
-
P-sub LD
-- Circuit for controlling the light power of the Laser Diode. -- Laser Power fluctuation caused by voltage and temperature changes are detected by Monitor Photo Diode's output current, then it is able to control the stable output power of Laser Diode. -- ALPC on/off is controlled by LDON switch.
18
CD-ROM 48X RF AMP
S1L9251X
SBAD
E
VR
.SBAD_ATT VR
+
+
.Mode
+
+ -
SBAD
F .TBAL
+
VR VOFST
VR
-- E, F signal are excuted tracking balance adjust and added, and passed LPF. -- It is expressed by K (E + F)
Reference Block
DVCC + - 1.65V DVC -- This block generates Reference voltage. VR 2.5V + -
AVCC
-- The Output voltages are 1.65V (from RF part supply input) and 2.5V (from SERVO part supply input) .
Vdc Offset Block
DVC VR
+
VOFST
VR
-- It shifts the output stage to match the Servo and DSP block.
19
S1L9251X
CD-ROM 48X RF AMP
Center Servo Block
vofst
a d b c Pick-UP DAC
+ Offset Control From Micom
+
serout
-- This block controls level shift in seek mode. -- Output signal is expressed by - K ((B + C) - (A + D))
20
CD-ROM 48X RF AMP
S1L9251X
ELECTRICAL CHARACTERISTICS
Bias Block No 1 2 3 4 5 6 Item VR Output Voltage VR Output Voltage1 VR Output Voltage2 DVC Output Voltage DVC Output Voltage1 DVC Output Voltage1 Symbol VR VR1 VR2 DVC DVC1 DVC2 Conditions VR Voltage Measurement VR=3mA Impression VR=-3mA Impression DVC Voltage Measurement DVC=3mA Impression DVC=-3mA Impression Min. 2.4 2.4 2.4 1.55 1.55 1.55 Typ. 2.5 2.5 2.5 1.65 1.65 1.65 Max. 2.6 2.6 2.6 1.75 1.75 1.75 Unit V V V V V V
Supply Voltage No 7 8 Item Operating Power Voltage Power Current Symbol Vcc Icc Vin = 0 Conditions Min. 4.5 75 Typ. 5.0 85 Max. 5.5 95 Unit V mA
Tracking Error Amp No 9 10 11 12 13 14 15 16 17 18 High Output Voltage Low Output Voltage Output Voltage 1 BandWidth (-3dB Freq.) Offset Voltage Item Tracking Balance Adjustment Range Symbol TBAL1 TBAL2 TBAL3 TBW1 TBW2 TOFS1 TOFS2 THout TLout TEout1 Conditions E: 1kHz Sine 100mVpp F: 1kHz Sine(I) 100mVpp TBAL=FF E: 1kHz Sine 100mVpp F: 1kHz Sine(I) 100mVpp TBAL=80 E: 1kHz Sine 100mVpp F: 1kHz Sine(I) 100mVpp TBAL=00 E: 100mVpp Sine Frequency Sweep F: 100mVpp Sine Frequency Sweep E,F: VR TBAL = 00 (CD-ROM mode) E,F: VR TBAL = 00 (CD-RW mode) - - E: 1kHz Sine 60mVpp F: 1kHz Sine(1) 60mVpp (CD-ROM Mode) E: 1kHz Sine 15mVpp F: 1kHz Sine(1) 15mVpp (CD-RW Mode) Min. - 0.9 1.25 - - - 80 -320 2.5 - 1.1 Typ. - 1.0 - 40 360 0 0 - - 1.2 Max. 0.8 1.1 - - - 80 320 - 0.5 1.3 Unit Vpp Vpp Vpp kHz kHz mV mV V V Vpp
19
Output Voltage 2
TEout2
1.0
1.2
1.4
Vpp
21
S1L9251X
CD-ROM 48X RF AMP
Focus Error AMP No
20 21 22 23 24 25 26 27
Item
Output Voltage 1 Output Voltage 2 Output Voltage 3 (CD-R) Output Voltage 4 (CD-R)
Symbol
FEout1 FEout2 FEout3 FEout4
Conditions
AC IN = 300mVpp(each) + Sine 1kHz + VR, BD IN = VR, BD IN = 300mVpp(each) + Sine 1kHz + VR, AC IN = VR, AC IN = 75mVpp(each) + Sine 1kHz + VR, BD IN = VR, BD IN = 75mVpp(each) + Sine 1kHz + VR, AC IN = VR, GTE1-GTE2 GTE3-GTE4 (A,C) : 100mVpp Sine Frequency SWEEP (B,D) : 100mVpp Sine(I) Frequency SWEEP FE_LPF = 00 FE_LPF = 11
Min. Typ. Max. 1.1 1.1 1.0 1.0 - -
32 1.2 1.2 1.2 1.2 0 0 40 180
Unit
Vpp Vpp Vpp Vpp dB dB kHz
1.3 1.3 1.4 1.4 - -
48
Voltage Gain Difference1 GFE1 Voltage Gain Difference2 GFE2 Bandwidth (-3dB Freq.) FBW1 TBW2
- - 40 -100
2.5
-
40 100 mV mV V V
28 29 30 31
Offset Voltage
FOFF1 FOFF2
(A-D) : VR, GAIN_FE=8dB, FEOFST = 80 (CD-ROM Mode) (A-D) : VR, GAIN_FE=8dB, FEOFST = 80 (CD-R/W Mode)
0 0
Output High Voltage Output Low Voltage
FHout FLout
- -
- -
-
0.5
-
AGC & EQ Block No
32 33 34 35 36 37 38 39 40 41
Item
Frequency Characteristic1 GAIN Characteristic1 GAIN Characteristic2 Peak Frequency1 Peak Frequency2 AGC Voltage Gain AGC Standard Output Maximum Gain (Gpeak) Range
Symbol
F1 G1 G2 Fp1 Fp2 GAGC GAGCOP RFEQO
Conditions -3dB Frequency at RFEQO , CAV mode, Input=2.5V DC
CAV Mode,CD-ROM Mode at RFEQO CAV Mode,CD-RW Mode at RFEQO CLV Mode, 4X Mode CLV Mode, 8X Mode AGCIN=1Vpp, Sine, 1Meg, AGC level Adjustment AGCIN=1Vpp, Sine, 1Meg (A-D):250mVppSweepingSine+VC, CLV mode, 8X at 10.4MHz , EQG_CEN=3.5 EQG_CEN=5.5dB EQG_CEN=7.5dB
Min. Typ. Max.
45 1 13 4.2 8.4 0.75 0.9 2.5 4.5 6.5 - 3 15 5.2 10.4 - 1 3.5 5.5 7.5 - 5 17 6.2 12.4 1.5 1.1 4.5 6.5 8.5
Unit
MHz dB dB MHz MHz Vpp Vpp dB
22
CD-ROM 48X RF AMP
S1L9251X
RF Envelop Detector No 42 43 44 Item Output Voltage 1 Output Voltage 2 Output Voltage 3 Symbol VOENV1 VOENV2 VOENV3 Conditions ABCD: Not inputting ABCD: 250mVpp(each) + Sine 500kHz + VR, No signal Standard ABCD: 250mVpp(each) + Sine 500kHz + VR Min. 0.4 - - Typ. - 0.7 - Max. - - 2.8 Unit V V V
RFRP No 45 46 47 48 49 Item Output Level 1 Output Level 2 Output Level 3 Output Level 4 Output Level 5 Symbol VRPO1 VRPO2 VRPO3 VRPO4 VRPO5 Conditions RFRPI : 1.0Vpp 10kHz Sine 70% AM fcarrier :1Mhz Modulation RFRPI : 1.0Vpp 30kHz Sine 70% AM fcarrier :1Mhz Modulation RFRPI : 1.0Vpp 80kHz Sine 70% AM fcarrier :3Mhz Modulation RFRPI : 1.0Vpp 160kHz Sine 70% AM fcarrier :6Mhz Modulation RFRPI : 1.0Vpp 320kHz Sine 70% AM fcarrier :10Mhz Modulation Min. Typ. Max. 0.9 0.7 0.7 0.7 0.7 1 - - - - 1.1 - - - - Unit Vpp Vpp Vpp Vpp Vpp
RFCT No 50 Level Item Symbol Vctl Conditions RFRPI : 1.0Vpp 10kHz sine 70% AM fcarrier : 1MHz Modulation Min. 1.35 Typ. 1.65 Max. 1.95 Unit V
Defect Detector No
51 52 53 54 55
Item
Detected Min. Operation Input Voltage Detected Max. Operation Input Voltage High Output Voltage Low Output Voltage High Speed Peak Hold Charge/discharge Time Constant Range Low Speed Peak Hold Discharge Time Constant Range
Symbol
VDFCT1 VDFCT2 Hout Lout HPHR
Conditions
200Hz Square Wave Full AM fcar 1MHz Sine + Vc
Min. Typ. Max. -
1.8 0.3 0.5
Unit
V V V V uS/V
- - - -
- -
0.5 100
- -
250mVpp 200Hz Square Wave Full AM fcar 1MHz Sine + Vc, RFRP_FREQ: STEP Variation 250mVpp 200Hz Square Wave Full AM fcar 1MHz Sine + Vc
2.5
-
5.6
56
LPHR
10
-
100
uS/V
23
S1L9251X
CD-ROM 48X RF AMP
ALPC No
57 58 59 60 61 62
Item
ALPC Operating Voltage PL ALPC Operating Voltage PH LD-OFF Voltage ALPC Operating Voltage HP ALPC Operating Voltage 1 ALPC Operating Voltage 2
Symbol
VAPPL VAPPH VLDOF VAPHP VALPC1 VALPC2
Conditions
VPD=0mV, VLDON=0V VPD=600mV, VLDON=0V LDC=L, VCC Standard VPD=2.5V IPD=0.8mA LD Impression, VLDON=0V IPD=-0.8mA LD Impression, VLDON=0V
Min. Typ. Max. Unit -
3.9
- - - - - -
1.1
V V V V V V
- - - -
2.5
- 0.7
3.9 2.5
-
SBAD No
63 64 65 66 67 68 69
Item
Voltage Gain 1 Voltage Gain 2 Frequency Characteristics Standard Operating Voltage Standard Operating Voltage Output Upper Voltage Output Lower Voltage
Symbol
SBGv1 SBGv2 SBfc SBVopr1 SBVopr2 SBVoh SBVol
Conditions
f=1kHz, CD-Rom mode f=1kHz, CD-RW mode -3dB point VR Standard,CD-Rom mode VR Standard, CD-RW mode GND Standard GND Standard
Min.
6 18
Typ.
9 21 44
Max.
10 22
Unit
dB dB kHz V V V V
- -1.75 -1.55
2.5
- -1.55 -1.35 -
0.5
-1.65 -1.45 - -
-
24
PACKAGE DIMENSION
13.20 + 0.30 0-8 10.00 + 0.20 0.15
+ 0.10 - 0.05
13.20 + 0.30
10.00 + 0.20
44-QFP-1010B
0.80 + 0.20 #1 0.80
+ 0.10
0.10 MAX
#44
0.35 - 0.05 0.15 MAX (1.00)
0.05 MIN 2.05 + 0.10 2.30 MAX
NOTE: Dimensions are in millimeters.

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