TDA8198 Datasheet, PDF (3/5 Pages) STMicroelectronics – DOUBLE AUDIO SWITCH AND DC VOLUME CONTROL FOR TV

TDA8198
Figure 1 : Gain versus Volume Control
20
0
V_IN = 0.3V_RMS
-20
f = 1kHz
-40
-60
-80
-100
0
1
2
3
4
5
6
VOLUME CONTROL (V)
Figure 3 : Distortion versus Voltage Input
20
16
12
8
4
0
0.2
0.4
0.6
0.8
1
VOLTAGE INPUT (V_RMS)
Figure 5 : Volume Control Current versus
Voltage (pins 11 - 12)
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
0
1
2
3
4
5
6
VOLUME CONTROL (V)
Figure 2 : Distortion versus Volume Control
0.45
0.40
0.35
V_IN = 0.25V_RMS
f = 1kHz
0.30
0.25
0.20
0.15
0.10
0.05
2.5
3.5
4.5
5.5
VOLUME CONTROL (V)
Figure 4 : Supply Voltage Rejection
-20
-24
V_C = 5V
-28
V_IN = 0.3V_RMS
-32 f = 100Hz
-36
-40
V_C = 0V
-44
10 11 12 13 14 15 16
SUPPLY VOLTAGE (V)
Figure 6 : Switch Current versus Voltage (pin 8)
400
350
300
250
200
150
100
50
0
-50
0
2
4
6
8
10 12
SWITCH VOLTAGE (V)
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