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Sony Semiconductor Electronic Components Datasheet

CXA1372BS Datasheet

RF Signal Processing Servo Amplifier for CD Player

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CXA1372BQ/BS
RF Signal Processing Servo Amplifier for CD Player
Description
The CXA1372BQ/BS is a bipolar IC developed for
RF signal processing (focus OK, mirror, defect
detection, EFM comparator) and various servo
control.
CXA1372BQ
48 pin QFP (Plastic)
CXA1372BS
48 pin SDIP (Plastic)
Features
Dual ±5V and single 5V power supplies
Low power consumption
Fewer external parts
Disc defect countermeasure circuit
Fully compatible with the CXA1182 for microcomputer
software
Functions
Auto asymmetry control
Focus OK detection circuit
Mirror detection circuit
Defect detection, countermeasure circuit
EFM comparator
Focus servo control
Tracking servo control
Sled servo control
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
VCC – VEE
12
V
Operating temperature
Topr
–20 to +75 °C
Storage temperature
Tstg –65 to +150 °C
Allowable power dissipation
PD 457 (CXA1372BQ) mW
833 (CXA1372BS) mW
Recommended Operating Conditions
VCC – VEE 3.6 to 11
VCC – DGND 3.6 to 5.5
V
V
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–
E95927A67-PS


Sony Semiconductor Electronic Components Datasheet

CXA1372BS Datasheet

RF Signal Processing Servo Amplifier for CD Player

No Preview Available !

Block Diagram
36 35 34
CXA1372BQ/BS
33 32 31 30
29 28 27 26 25
• IIL
• TTL
CB 37
CP 38
RFI 39
• TTL
• IIL
24 DATA
23 XLT
22 CLK
RFO 40
DVEE 41
• TTL
• IIL
• IIL DATA REGISTER
• INPUT SHIFT REGISTER
• ADDRESS DECODER
• OUTPUT DECODER
21 LOCK
20 DIRC
TZC 42
TE 43
TDFCT 44
DFCT
ATSC 45 • BPF • WINDOW COMPARATOR
FZC 46
FE 47
FDFCT 48
DFCT
FS4
FS3
• FS1 to 4 • TG1 to 2 • TM1 to 7 • PS1 to 3
TG1
TM1
• TRACKING
PHASE COMPENSATION
• FOCUS
PHASE
COMPENSATION
FS1
FS2
TM7
TM6
TM5
TM4
TM3
19 AVEE
18 SSTOP
• I SET 17 ISET
• F SET 16 FSET
15 SL–
14 SLO
13 SL+
TM2
TG2
1 23
4
56
78
9 10
11
12
–2–


Part Number CXA1372BS
Description RF Signal Processing Servo Amplifier for CD Player
Maker Sony Corporation
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CXA1372BS Datasheet PDF






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