cxa1797q Sony Electronics, cxa1797q Datasheet - Page 9
cxa1797q
Manufacturer Part Number
cxa1797q
Description
Dolby B-c Type Noise Reduction System With Recording Equalizer Amplifier
Manufacturer
Sony Electronics
Datasheet
1.CXA1797Q.pdf
(31 pages)
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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
100k
54k
54k
Z (in)
—
—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
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