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Part Name
Description
CXA1797 View Datasheet(PDF) - Sony Semiconductor
Part Name
Description
Manufacturer
CXA1797
Dolby B-C Type Noise Reduction System with Recording Equalizer Amplifier
Sony Semiconductor
CXA1797 Datasheet PDF : 31 Pages
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CXA1797Q
Pin Description
Pin
Symbol
No.
(Ta = 25°C, dual-power supply configuration, V
CC
= 5.5 V, V
EE
= 5.5 V, DV
CC
= 5.0 V)
Typical pin voltage
I/O Z (in)
DC AC
Equivalent circuit
Description
V
CC
1 BUFFER OUT1
0.0V –10dBv O —
51 BUFFER OUT2
6.5k
V
EE
Recording volume
147
input buffer output
V
CC
2 VOLUME OUT1
0.0V –10dBv O —
50 VOLUME OUT2
V
EE
6.5k
147
Recording volume
output
3 REC IN1
49 REC IN2
–26dBv
0.0V
I 40k
Ω
(–25dBm)
147
V
CC
VCT
Recording input
V
EE
4 DOLBY TCH 1 V
EE
———
48 DOLBY TCH2 +0.4V
147
—4—
V
CC
Time constant for
the HLS
V
EE
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