CXA1797 SONY [Sony Corporation], CXA1797 Datasheet - Page 7

• Manufacturer Part Number: CXA1797
• Description: Dolby B-C Type Noise Reduction System with Recording Equalizer Amplifier
• Manufacturer: SONY [Sony Corporation]

No.
Pin
13
39
14
38
15
37
16
36
17
18
34
19
33
BIAS MTL1
BIAS MTL2
BIAS CrO
BIAS CrO
BIAS NORM1
BIAS NORM2
BIAS OUT1
BIAS OUT2
NR TC
B/C TC
S TC
METER OUT1
METER OUT2
Symbol
2
1
Typical pin voltage
+1.25V
2.4V
V
DC
—
—
EE
AC
—
—
—
—
I/O
I/O
O
O
I
Z (in)
17kΩ
—
—
—
—7—
V
DGND
V
V
V
CC
EE
CC
EE
V
V
CC
EE
Equivalent circuit
4k
147
76.6k
100p
17k
147
V
V
147
CC
EE
Recording bias
control voltage
setting
Recording bias
control voltage
output
Time constant for
selecting NR mode
Time constant for
selecting B/C
mode
Time constant for
selecting S and
B/C modes
Meter output
(sensitivity:
65 mV/dB)
Description
CXA1797Q