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| 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) ORDER CODE : TDA8196 DESCRIPTION The TDA8196 is a monolithic integrated circuit in DIP8 package intended for TV applications. PIN CONNECTION (top view) +V S AUDIO INPUT (2) SWITCHING CONTROL AUDIO INPUT (1) 1 2 3 4 8 7 6 5 AUDIO OUT GND 8196-01.EPS VOLUME CONTROL C REF BLOCK DIAGRAM S WITCHING CONTROL ( VS W ) VS 3 1 AUDIO INPUT (1) 15k 4 30k IMPEDANCE ADAPTER S WITCH AUDIO INPUT (2) 15k 2 8 6.6V AUDIO OUT IMPEDANCE ADAPTER 7 REFERENCE VOLTAGE 8196-02.EPS 5 47 F 6 VC May 1996 1/5 TDA8196 ABSOLUTE MAXIMUM RATINGS Symbol Vs Tstg, Tj Tamb Supply Voltage (pin 1) Storage and Junction Temperature Operating Ambient Temperature Parameter Value 16 - 55 to 125 0 to 70 Unit C C 8196-01.TBL 8196-03.TBL 8196-02.TBL V THERMAL DATA Symbol Rthj-amb Parameter Thermal Resistance Junction-ambient Max Value 200 Unit C/W ELECTRICAL CHARACTERISTICS (refer to the test circuit, VS = 12V, Tamb = 25oC unless otherwise specified) Symbol VS IS VR VSW Parameter Supply Voltage Supply Current Reference Voltage Switching Voltage Audio Input 1 Audio Input 2 Switching Input Resistance Switching Input Capacitance Crosstalk between Switched Inputs Audio Input Amplitude (1 or 2) Audio Input Resistance (1 or 2) Output / Input Gain for Max Vol Audio Output Resistance Attenuation Range Control Voltage Range KV = KMAX (Vol. min) KV = KMIN (Vol. max) Distortion Output Noise Level Output Noise Level Vol. Attenuation Thermal Drift Supply Voltage Rejection 8 VO Output DC Shift 8 8 Selective Volmeter (BW = 8Hz), see Fig.2 6 8 8 8 Vi = 2 VRMS @ VC = 4.5V DIN45405 VC = 0.5V Weighted DIN45405 VC = 4.5V Weighted Tamb = 0 to 70 C KV = 30dB, see Fig.3 VC = 0.5V, f = 100Hz Vripple = 1VPP Selective Volmeter (BW = 8Hz), see Fig.4 and 5 VC = 0.5 + 4.5V, Vi = 2 VRMS o Pin 1 1 5 3 3 3 Test Conditions Vi = 0, VC = 0.5V Min. 10.8 Typ. 12 12 6.6 Max. 13.2 Unit V mA V 0 8 VSW = 12V Selective Volmeter (BW = 8Hz), see Fig.1 20 70 30 5 12 10 90 V V k pF dB R SW C SW Ct Vi Ri Kmin RO KV VC 4 2 4 2 10 0.5 13 0 0.2 70 90 0.5 4.5 0.4 40 120 0.04 2 VRMS k dB 1 k dB V V THD En En KV Ta SVR 1 % VRMS VRMS dB/oC 38 0.25 dB V 2/5 TDA8196 TEST CIRCUIT C3 10F VS C1 2.2F INPUT 1 R1 1k 4 SWITCH 1 7 TDA8196 VOLUME CONTROL C5 1F 8 R3 RL VOLUME CONTROL (0.5 to 4.5) OUTPUT 2 R2 1k INPUT 2 C2 2.2F S WITCH CONTROL 3 C4 100F 5 6 10k 8196-03.EPS Figure 1 : TDA8196 Crosstalk Ct (dB) -60 -70 -80 -90 -100 8196-04.EPS Figure 2 : Output Attenuation versus DC Volume Control Voltage kV (dB) 0 Input 1 Input 2 -20 -40 -60 -80 -100 0 1 2 3 4 5 8196-05.EPS BW = 8Hz FLAT BAND F(Hz) -110 10 100 1000 10000 100000 V C (V) Figure 3 : Kv Drift vs. Tamb Variation kV(dB) 1 Figure 4 : SVR vs. Ripple Frequency SVR (dB) 60 50 40 0 30 20 10 8196-06.EPS -1 0 10 20 30 40 50 60 70 0 10 100 1000 10000 100000 3/5 8196-07.EPS T amb ( C) Fripple (Hz) TDA8196 Figure 5 : SVR vs. Volume Attenuation SVR (dB) 70 60 50 40 30 20 10 0 20 40 60 80 100 8196-08.EPS SVR 15625Hz SVR 50Hz APPLICATION CIRCUIT C3 47F VS 1 C1 2.2F INPUT 1 INPUT 2 C2 2.2F 3 S WITCH CONTROL C4 47F 5 6 8196-09.EPS 7 TDA8196 4 SWITCH VOLUME CONTROL C5 1F 8 OUTPUT 2 VOLUME CONTROL (0.5 to 4.5) 4/5 TDA8196 PACKAGE MECHANICAL DATA 8 PINS - PLASTIC DIP Dimensions A a1 B b b1 D E e e3 e4 F I L Z Min. 0.51 1.15 0.356 0.204 7.95 Millimeters Typ. 3.32 Max. Min. 0.020 0.045 0.014 0.008 0.313 Inches Typ. 0.131 Max. 1.65 0.55 0.304 10.92 9.75 2.54 7.62 7.62 6.6 5.08 3.81 1.52 0.065 0.022 0.012 0.430 0.384 0.100 0.300 0.300 0260 0.200 0.150 0.060 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. (c) 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. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 5/5 DIP8.TBL 3.18 0.125 PM-DIP8.EPS |
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