CXA1797 SONY [Sony Corporation], CXA1797 Datasheet - Page 9

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

No.
Pin
27
28
29
30
31
REC BALANCE
GH CAL
FQ CAL
REC CAL
DV
CC
Symbol
Typical pin voltage
+5.0V
2.5V
2.5V
2.5V
DC
AC
—
—
—
—
I/O
I
I
I
I
100kΩ
Z (in)
54kΩ
54kΩ
—
—9—
V
V
CC
EE
V
V
CC
EE
V
V
CC
EE
V
147 54k
V
CC
EE
Equivalent circuit
147 54k
147
DVCC
DREF
DGND
DREF
Recording volume
balance
adjustment
High-frequency
gain adjustment of
recording
equalizer amplifier
Peak frequency Q
adjustment of
recording
equalizer amplifier
Recording
equalizer amplifier
gain adjustment
Logic power
supply
(DREF = 1/2
(DV
CAL reference.)
Description
CC
+ DGND) is
CXA1797Q