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Sony Semiconductor Electronic Components Datasheet

CXA1992R Datasheet

RF Signal Processing Servo Amplifier

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CXA1992R pdf
CXA1992R
RF Signal Processing Servo Amplifier
Preliminary
For the availability of this product, please contact the sales office.
Description
The CXA1992R is a bipolar IC developed for CD
player RF signal processing and servo control. This
IC supports three-spot optical system pickups.
52 pin LQFP (Plastic)
Features
Automatic focus bias adjustment circuit
Automatic tracking balance and gain adjustment
circuits
RF level control circuit
Interruption countermeasure circuit
Sled overrun prevention circuit
Anti-shock circuit
Defect detection and prevention circuits
RF 1-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 600 mW
Recommended Operating Conditions
Operating supply voltage VCC – VEE 3.0 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–
PE96527-ST


Sony Semiconductor Electronic Components Datasheet

CXA1992R Datasheet

RF Signal Processing Servo Amplifier

No Preview Available !

CXA1992R pdf
Block Diagram
CXA1992R
39 38 37 36 35 34 33 32 31 30 29 28 27
VEE
FE_BIAS 40
PD2 IV
AMP
PD1 IV
AMP
F 41
F IV AMP
E 42
EI 43
E IV AMP
VEE
VEE 44
TEO 45
RF SUMMING AMP
VCC
APC
VEE
LASER POWER CONTROL
VCC FE AMP
VCC
VEE
VEE
TRK. GAIN
WINDOW COMP.
FO. BIAS
WINDOW COMP.
VEE
LEVEL S
VEE
MIRR
VCC
FOK
VCC
DFCT
IIL
TTL
26 SENS2
IIL
25 SENS1
TTL
24 C. OUT
23 XRST
22 DATA
TTL
21 XLT
IIL
LPFI 46
TEI 47
ATSC 48
TZC 49
ATSC
WINDOW
COMP.
TZC COMP.
TDFCT 50
VC 51
FZC 52
VCC
VCC
VEE
FZC COMP.
E-F BALANCE
WINDOW COMP.
DFCT
TM1
FOH
FOL
TGH
TGL
BALH
BALL
ATSC
TZC
FZC
TRACKING
PHASE COMPENSATION
TG1
FOCUS
PHASE COMPENSATION
DFCT
FS4
123 4567
20 CLK
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
19 LOCK
VCC
18 VCC
ISET
17 ISET
VCC
FS1
FS2
Charge
up
VEE
8
9
TM7
FSET
TG2
VCC
VCC
TM4 TM6
16 SL_O
15 SL_M
TM3
VEE
TM5
VEE
TM2
14 SL_P
10 11 12 13
–2–


Part Number CXA1992R
Description RF Signal Processing Servo Amplifier
Maker Sony Corporation
Total Page 30 Pages
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CXA1992R pdf
CXA1992R Datasheet PDF
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