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Samsung RCD-750 - KA9258 D DRIVE and KA9270 AUDIO FILTER IC Pin Descriptions

Samsung RCD-750
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@
DRIVE
(KA9258D)
(NIC
9258)
Pin
No.
Symbol
yo
Descrition
1
DO
1.1
O
DRIVE
Output
2
DO
1.2
Oo
DRIVE
Output
3
DI
1.1
I
DIRVE
Input
4
Di
1.2
|
DIRVE
Input
5
REG
Regulator
6
REO
oO
Regulator
output
7
MUTE
MUTE
8
GND
1
Ground
9
DI
2.1
I
DRIVE
Input
10
DI
2.2
I
DRIVE
Input
11
DO
2.1
O
DRIVE
Output
12
DO
2.2
oO
DRIVE
Output
13
GND
2
Ground
14
OP
OUT
oO
OP
AMP
Output
15
OP
IN
I
OP
AMP
Input
( -
}
16
OP
IN
|
OP
AMP
Input
(
+ )
17
DO
3.1
O
DRIVE
Ouput
18
DO
3.2
O
DRIVE
Ouput
19
DI
3.1
|
DRIVE
Input
20
DI
3.2
|
DRIVE
Input
21
VCC
1
Supply
voltage
22
VCC
2
Supply
voltage
23
VREF
2.5V
BIAS
Voltage
24
DI
4.1
|
DRIVE
Input
25
DI
4.2
|
DRIVE
Input
26
DO
4.1
O
DRIVE
Output
27
DO
4.2
O
DRIVE
Output
28
GND
Ground
@
AUDIO
FILTER
(KA9270)
(NIC
9270)
Pin
No.
Symbol
oO
Description
1
GND
-
Ground
2
L
OUT
1
10)
Output
pin
of
LPF
1
3
LIN
1
I
Input
pin
of
LPF
1
4
MUTE
I
Mute
control
input
pin
5
DE-EM
I
De-emphasis
control
pin
6
DE-EM
CTL
1
I
De-emphasis
control
1
7
DE-EM
IN
1
0
De-emphasis
output
pin
1
8
DE-EM
IN
1
I
De-emphasis
input
pin
1
RCD-750
-20-

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