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. 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