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Sony Semiconductor Electronic Components Datasheet

CXA1202Q-Z Datasheet

REC/PB Amplifier for VCR

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CXA1202Q-Z/CXA1202R
REC/PB Amplifier for VCR
For the availability of this product, please contact the sales office.
Description
CXA1202Q-Z/CXA1202R are bipolar ICs developed
as REC/PB amplifiers for VCR's.
CXA1202Q-Z
48 pin QFP (Plastic)
CXA1202R
48 pin LQFP (Plastic)
Features
Built-in head amplifier feedback dumping con-
tributes to the reduction of external components
and simplification of the print circuit board design.
Built-in BPF for PB signals medium range frequency
compensation totally eliminates external resonance
circuits (L. C. R.)
Low range recording signal variable-level mix
amplifier allows for both metal powder and metal
evaporated tapes application.
Consumption saving through power save function
of the REC AMP.
4-head system switch incorporated.
Functions
Recording: 2-channel REC AMP, 5-input (Y, Chroma, AFM, ATF, PCM) Mix AMP.
Playback: 2-channel low-noise head amplifier, medium range frequency compensation circuit, RF AGC,
dropout detecting circuit.
Structure
Bipolar silicon monolithic IC
Applications
8-mm system VCR
β-system VCR
VHS-system VCR
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
Vcc
8V
Operating temperature
Topr
–10 to +75 °C
Storage temperature
Tstg
–55 to +150 °C
Allowable power dissipation PD (CXA1202Q-Z) 920
mW
PD (CXA1202R)
1100
mW
(CXA1202R: Substrate area 40 × 25mm2, t = 0.635mm when ceramic print circuit board mounted)
Recommended Operating Condition
Supply voltage
Vcc
5 ± 0.25
V
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–
E88012-PS


Sony Semiconductor Electronic Components Datasheet

CXA1202Q-Z Datasheet

REC/PB Amplifier for VCR

No Preview Available !

Block Diagram and Pin Configuration
CXA1202Q-Z/CXA1202R
36 35 34 33 32 31 30 29 28 27 26 25
MIX2 OUT 37
MT 2 38
RF SWP 39
GND 2CH 40
PCM SEL 41
ME LEVEL 42
GND REC 43
ATF LEVEL 44
RP PB 1CH 45
ATF IN 46
RP PB 2CH 47
PCM IN 48
CH2
REC AMP
CH1
REC AMP
24 MIX1 OUT
CH2
46dB
HEAD AMP
9dB
46dB
CH1
HEAD AMP
9dB
23 MT1
22 MULTI
21 GND 1CH
CONTROL
LOGIC
MTFφ
VP1 VP2 –6dB
SW SW
MTQ
BPF BPF
Video
–6dB CH2 SW
CH1
Mute
PV PV
VCA
VCA
MT1
MT2
Medium range freq.
compensation
6dB
DOC
DET
ME
VCA
ATF
LEVEL
SW
Normal VCA
6dB
Multi
CH2
PCM
MIX SW
AMP
VCA 6dB
CH1
12dB
GCA
DOC
DET
RF
DET AGC
AB
RF SW
20 V RF OUT
19 GND PB
18 DOC IN
17 VCC EF
16 RF OUT
15 DOC TC
14 RF IN B
13 DOC PULSE
1 2 3 4 5 6 7 8 9 10 11 12
–2–


Part Number CXA1202Q-Z
Description REC/PB Amplifier for VCR
Maker Sony Corporation
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Sony Corporation





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