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Sony Semiconductor Electronic Components Datasheet

CXA2542AQ Datasheet

RF Signal Processing Servo Amplifier for CD Player

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CXA2542AQ
RF Signal Processing Servo Amplifier for CD Player
Description
The CXA2542AQ is a bipolar IC developed for CD
player RF signal processing and servo control.
48 pin QFP (Plastic)
Features
Automatic focus bias adjustment circuit
Automatic tracking balance and gain adjustment
circuits
RF level control circuit
Interruption countermeasure circuit
Anti-shock circuit
Defect detection and prevention circuits
RF I-V amplifier, RF amplifier
APC circuit
Focus and tracking error amplifier
Focus, tracking and sled servo control circuits
Focus OK circuit
Mirror detection circuit
Single power supply and dual power supplies
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
VCC 12 V
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –65 to +150 °C
Allowable power dissipation
PD 1400 mW
Recommended Operating Conditions
Operating supply voltage VCC – VEE 3.0 to 3.6 V
4.5 to 5.5 V
Applications
CD players
Structure
Bipolar silicon monolithic IC
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E97920-PS


Sony Semiconductor Electronic Components Datasheet

CXA2542AQ Datasheet

RF Signal Processing Servo Amplifier for CD Player

No Preview Available !

Block Diagram
CXA2542AQ
36 35 34 33 32 31 30 29 28 27 26 25
VCC
VEE
VCC
VCC
PD2 37
F 38
E 39
VEE 40
TEO 41
LPFI 42
ATSC 43
TZC 44
TDFCT 45
VC 46
FZC 47
FEO 48
PD1 IV
AMP
PD2 IV
AMP
F IV AMP
E IV AMP
VEE
ATSC
WINDOW
COMP.
TZC COMP.
VCC
VCC
VEE
FZC COMP.
VEE
VCC
APC
VEE
LASER POWER CONTROL
VEE
VEE
RF SUMMING AMP
VCC FE AMP
VCC
VCC
TGFL
E-F BALANCE
WINDOW COMP.
DFCT
TM1
TG1
FO. BIAS
WINDOW COMP.
VEE
TRK. GAIN
WINDOW COMP.
VEE
LEVEL S
VEE
VCC
MIRR
FOK
VEE
IIL
TTL
INT
FOH
FOL
TGH
TGL
BALH
BALL
ATSC
TZC
FZC
TRACKING
PHASE COMPENSATION
IIL DATA REGISTER
INPUT SHIFT REGISTER
ADDRESS DECODER
SENS SELECTOR
OUTPUT DECODER
DFCTO
IFB1-6
BAL1-4
TOG1-4
FS1-4
TG1-2 TM1-7
PS1-4
24 SENS2
IIL
23 SENS1
TTL
22 C. OUT
21 XRST
20 DATA
TTL
IIL
19 XLT
18 CLK
VCC
17 VCC
ISET
16 ISET
VCC
VCC
TM4 TM6
15 SL_O
FOCUS
PHASE COMPENSATION
DFCT
FS4
VCC
FS1
FS2
VEE
TM7
FSET
TG2
TM3
VEE
TM5
VEE
14 SL_M
TM2
13 SL_P
1 2 3 4 5 6 7 8 9 10 11 12
–2–


Part Number CXA2542AQ
Description RF Signal Processing Servo Amplifier for CD Player
Maker Sony Corporation
Total Page 30 Pages
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