STMICROELECTRONICS TDA8196

TDA8196
AUDIO SWITCH AND DC VOLUME CONTROL FOR TV
.
.
TWO AUDIO INPUTS WITH SWITCHING
FACILITIES FULLY COMPATIBLE WITH THE
SCART EUROPEAN NORM EN 50049
DC VOLUME CONTROL
DIP8
(Plastic Package)
DESCRIPTION
The TDA8196 is a monolithic integrated circuit in
DIP8 package intended for TV applications.
ORDER CODE : TDA8196
+V S
1
8
AUDIO OUT
AUDIO INPUT (2)
2
7
GND
SWITCHING CONTROL
3
6
VOLUME CONTROL
AUDIO INPUT (1)
4
5
C
8196-01.EPS
PIN CONNECTION (top view)
REF
BLOCK DIAGRAM
S WITCHING CONTROL ( VS W )
VS
3
15kΩ
30kΩ
4
IMPEDANCE
ADAPTER
AUDIO
INPUT (2)
S WITCH
15kΩ
2
8
6.6V
IMPEDANCE
ADAPTER
REFERENCE
VOLTAGE
7
5
47 µF
May 1996
AUDIO
OUT
6
8196-02.EPS
AUDIO
INPUT (1)
1
VC
1/5
TDA8196
ABSOLUTE MAXIMUM RATINGS
Vs
Tstg, Tj
Tamb
Parameter
Value
Supply Voltage (pin 1)
Storage and Junction Temperature
Unit
16
V
– 55 to 125
°C
0 to 70
°C
Operating Ambient Temperature
8196-01.TBL
Symbol
Symbol
Rthj-amb
Parameter
Thermal Resistance Junction-ambient
Max
Value
Unit
200
°C/W
8196-02.TBL
THERMAL DATA
ELECTRICAL CHARACTERISTICS
(refer to the test circuit, VS = 12V, Tamb = 25oC unless otherwise specified)
Supply Voltage
Pin
Test Conditions
1
IS
Supply Current
1
VR
Reference Voltage
5
VSW
Switching Voltage
Audio Input 1
Audio Input 2
3
R SW
Switching Input Resistance
3
C SW
Switching Input Capacitance
3
Ct
Crosstalk between Switched
Inputs
Vi
Audio Input Amplitude (1 or 2)
4
2
Ri
Audio Input Resistance (1 or 2)
4
2
Kmin
Output / Input Gain for Max Vol
RO
Audio Output Resistance
KV
Attenuation Range
Min.
Typ.
Max.
Unit
10.8
12
13.2
V
Vi = 0, VC = 0.5V
12
mA
6.6
V
0
8
5
12
VSW = 12V
20
30
Selective Volmeter
(BW = 8Hz), see Fig.1
70
90
kΩ
10
0.5
10
8
70
pF
dB
2
VRMS
13
kΩ
0
dB
0.2
Selective Volmeter
(BW = 8Hz), see Fig.2
V
V
1
kΩ
90
dB
0.5
4.5
V
V
Control Voltage Range
KV = KMAX (Vol. min)
KV = KMIN (Vol. max)
6
Distortion
8
Vi = 2 VRMS @ VC = 4.5V
0.4
En
Output Noise Level
8
DIN45405
VC = 0.5V Weighted
40
µVRMS
En
Output Noise Level
8
DIN45405
VC = 4.5V Weighted
120
µVRMS
0.04
dB/oC
8
VC = 0.5V, f = 100Hz
Vripple = 1VPP
Selective Volmeter
(BW = 8Hz), see Fig.4 and 5
38
dB
8
VC = 0.5 + 4.5V, Vi = 2 VRMS
0.25
V
VC
THD
KV
∆Ta
Vol. Attenuation Thermal Drift
SVR
Supply Voltage Rejection
VO
2/5
Parameter
VS
Output DC Shift
1
%
o
Tamb = 0 to 70 C
KV = 30dB, see Fig.3
8196-03.TBL
Symbol
TDA8196
TEST CIRCUIT
C3 10µF
VS
C1 2.2µF
INPUT 1
1
7
TDA8196
R1
1kΩ
VOLUME
CONTROL
SWITCH
2
R2
1kΩ
3
INPUT 2
C2 2.2µF
5
Figure 1 : TDA8196 Crosstalk
OUTPUT
R3
RL
6
10kΩ
VOLUME
CONTROL
(0.5 to 4.5)
C4
100µF
S WITCH
CONTROL
C5 1µF
8
8196-03.EPS
4
Figure 2 :
Ct (dB)
Output Attenuation versus DC Volume
Control Voltage
kV (dB)
-60
0
-70
-40
-90
-60
-100
-80
F(Hz)
100
1000
10000
100000
8196-04.EPS
-80
-110
10
BW = 8Hz
FLAT BAND
-20
Figure 3 : Kv Drift vs. Tamb Variation
V C (V)
8196-05.EPS
Input 1
Input 2
-100
0
1
2
3
4
5
Figure 4 : SVR vs. Ripple Frequency
SVR (dB)
kV(dB)
60
1
50
40
30
0
20
0
10
20
30
40
50
60
70
Fripple (Hz)
0
10
100
1000
10000
100000
3/5
8196-07.EPS
-1
8196-06.EPS
10
Tamb ( C)
TDA8196
Figure 5 : SVR vs. Volume Attenuation
SVR (dB)
70
SVR 15625Hz
SVR 50Hz
60
50
40
30
20
0
20
40
60
80
8196-08.EPS
10
100
APPLICATION CIRCUIT
C3 47µF
VS
1
7
TDA8196
C1 2.2µF
INPUT 1
4
VOLUME
CONTROL
SWITCH
INPUT 2
2
C5 1µF
8
OUTPUT
C2 2.2µF
S WITCH
CONTROL
4/5
5
C4
47µF
6
VOLUME
CONTROL
(0.5 to 4.5)
8196-09.EPS
3
TDA8196
PM-DIP8.EPS
PACKAGE MECHANICAL DATA
8 PINS - PLASTIC DIP
A
a1
B
b
b1
D
E
e
e3
e4
F
I
L
Z
Min.
Millimeters
Typ.
3.32
0.51
1.15
0.356
0.204
Max.
1.65
0.55
0.304
10.92
9.75
7.95
Min.
0.020
0.045
0.014
0.008
Max.
0.065
0.022
0.012
0.430
0.384
0.313
2.54
7.62
7.62
3.18
Inches
Typ.
0.131
0.100
0.300
0.300
6.6
5.08
3.81
1.52
0.125
0260
0.200
0.150
0.060
DIP8.TBL
Dimensions
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility
for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result
from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without noti ce. This publication supersedes and replaces all
information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
 1996 SGS-THOMSON Microelectronics - All Rights Reserved
Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
I2C Patent. Rights to use these components in a I2C system, is granted provided that the system confo rms to
the I2C Standard Specifications as defined by Philips.
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