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PDF CXA1782CR Data sheet ( Hoja de datos )
| Número de pieza | CXA1782CR | |
| Descripción | RF Signal Processing Servo Amplifier for CD players | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CXA1782CR (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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CXA1782CQ/CR
RF Signal Processing Servo Amplifier for CD players
For the availability of this product, please contact the sales office.
Description
The CXA1782CQ/CR is a bipolar IC with built-in
RF signal processing and various servo ICs. A CD
player servo can be configured by using this IC,
DSP and driver.
CXA1782CQ
48 pin QFP (Plastic)
CXA1782CR
48 pin LQFP (Plastic)
Features
• Low operating voltage (VCC – VEE = 3.0 to 11.0V)
• Low power consumption (39mW, VCC = 3.0V)
• Supports pickup of either current output, voltage
output
• Automatic adjustment comparator for tracking
balance gain
• Single power supply and positive/negative dual
power supplies
Applications
• RF I-V amplifier, RF amplifier
• Focus and tracking error amplifier
• APC circuit
• Mirror detection circuit
• Defect detection and prevention circuits
• Focus servo control
• Tracking servo control
• Sled servo control
• Comparators of tracking adjustment for balance
and gain
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 833 (CXA1782CQ) mW
457 (CXA1782CR) mW
Recommended Operating Condition
Operating supply voltage
VCC – VEE 3.0 to 11.0
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–
E95908C78
1 page  
Pin
No.
Symbol
I/O
Equivalent circuit
147
17 ISET I 17
CXA1782CQ/CR
Description
Setting pin for Focus search, Track
jump, and Sled kick current.
19 CLK
20 XLT
21 DATA
22 XRST
I
I
I
I
23 C. OUT O
24 SENS
O
19 147 1k
20
21
22
Serial data transfer clock input from
15µ CPU. (no pull-up resistance)
Latch input from CPU.
(no pull-up resistance)
Serial data input from CPU.
(no pull-up resistance)
Reset input; resets at Low.
(no pull-up resistance)
20k
147
23
24
100k
Track number count signal output.
Outputs FZC, DFCT, TZC, gain,
balance, and others according to
the command from CPU.
25 FOK
O
20k
147
25
40k
100k
Focus OK comparator output.
26 CC2
27 CC1
I
147
28
O
Input for the DEFECT bottom hold
147 output with capacitance coupled.
27
DEFECT bottom hold output.
28 CB
I
147
26
Connection pin for DEFECT bottom
hold capacitor.
–5–
5 Page 
CXA1782CQ/CR
– 11 –
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CXA1782CR.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CXA1782CQ | RF Signal Processing Servo Amplifier for CD players | Sony Corporation |
| CXA1782CR | RF Signal Processing Servo Amplifier for CD players | Sony Corporation |
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