TDA8198
DOUBLE AUDIO SWITCH
AND DC VOLUME CONTROL FOR TV
s
s
s
s
A DOUBLE TWO-INPUT CIRCUITS WITH
SWITCHING FACILITIES
A DOUBLE DC VOLUME CONTROL
12dB MAXIMUM GAIN
90dB SIGNAL DYNAMIC RANGE
DESCRIPTION
The TDA8198 is a monolithic integrated circuit in
DIP14 package intented for TV applications which
provides Audio switching facilities between two
double inputs including DC volume control.
PIN CONNECTIONS
RIGHT INPUT 2
NOT TO BE CONNECTED
RIGHT OUTPUT
GROUND
LEFT OUTPUT
V
S
LEFT INPUT 2
1
2
3
4
5
6
7
14
13
12
11
10
9
8
DIP14
(Plastic Package)
ORDER CODE :
TDA8198
NOT TO BE CONNECTED
RIGHT INPUT 1
RIGHT VOLUME CONTROL
LEFT VOLUME CONTROL
C
REF
8198-01.EPS
LEFT INPUT 1
SWITCH CONTROL
BLOCK DIAGRAM
8
10
6
TDA8198
IMPEDANCE
ADAPTER
SWITCH
S WITCH
IMPEDANCE
ADAPTER
REFERENCE
VOLTAGE
7
13
IMPEDANCE
ADAPTER
V
VOLUME
CONTROL
1
V
1
VOLUME
CONTROL
IMPEDANCE
ADAPTER
9
1
11
5
3
12
4
May 1996
1/5
8198-02.EPS