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PDF CXA1372BQ Data sheet ( Hoja de datos )
| Número de pieza | CXA1372BQ | |
| Descripción | RF Signal Processing Servo Amplifier for CD Player | |
| Fabricantes | Sony Corporation | |
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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
1 page  
Pin No.
Symbol I/O
QS
Equivalent circuit
CXA1372BQ/BS
Description
7 13 SRCH
I7
147
50k 3.5µA
External time constant for forming
the focus search waveforms.
11µA
8 14 TGU
I
110k
20k
8
82k
External time constant for selecting
the tracking high-frequency gain.
9 15 TG2
I
147
9
470k
External time constant for selecting
the tracking high-frequency gain.
12 18 TA–
I 12
90k
147
3µA
Inverted input for tracking amplifier.
11µA
13 19 SL+
I
10k
13
Non-inverted input for sled amplifier.
15 21 SL–
I 15
147
Inverted input for sled amplifier.
3µA 22µA
–5–
5 Page 
CXA1372BQ/BS
– 11 –
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CXA1372BQ.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CXA1372BQ | RF Signal Processing Servo Amplifier for CD Player | Sony Corporation |
| CXA1372BS | RF Signal Processing Servo Amplifier for CD Player | Sony Corporation |
| Número de pieza | Descripción | Fabricantes |
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