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| TDA8191 TV SOUND CHANNEL . . . . . . . . HIGH SENSITIVITY EXCELLENT AM REJECTION DC VOLUME CONTROL PERITELEVISION FACILITY 4W OUTPUT POWER LOW DISTORTION THERMAL PROTECTION TURN-ON AND TURN-OFF MUTING DIP20 (Plastic Package) ORDER CODE : TDA8191 DESCRIPTION The TDA8191 is a monolithic integrated circuit that includes all the functions needed for a complete TV sound channel.The TDA8191 is assembled in a 20 pin dual in line power package. PIN CONNECTION TURN-ON AND TURN-OFF MUTING SOUND IF INPUT IF DECOUPLING IF DECOUPLING GND GND DETECTOR (FM) DETECTOR (FM) DEEMPHASIS AND AF OUT AF INPUT 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 AF PA INPUT AF PA FEEDBACK SUPPLY VOLTAGE AF PA OUTPUT GND GND DCVC OUTPUT VOLUME CONTROL REF. VOLTAGE FUNCTION SWITCH 8191-01.EPS September 1993 1/6 TDA8191 BLOCK DIAGRAM C7 VS C5 C12 R3 C6 18 1 RL 14 20 C15 TURN-ON AND TURN-OFF SWITCH VOLTAGE REGULATOR C1 IF IN R1 C2 3 2 AFPA 17 C16 R4 R5 R6 IF AMP. LIM. LOW-PASS FILTER THRESHOLD SENSOR 19 DC VOLUME CONTROL C17 R8 13 4 C3 R0 1.1k R7 12 P2 FM DETECTOR VOLUME AMPLI. THERMAL PROTECTION 5 6 15 16 7 L1 C8 8 9 C10 C1 3 10 11 C11 SWITCH 8191-02.EPS CTRL C9 AF OUT AF IN ABSOLUTE MAXIMUM RATINGS Symbol VS Vl VI IO IO Ptot Tstg, Tj Parameter Supply Voltage (pin 18) Voltage at Pin 1 Input Voltage (pin 2) Output Peak Current (repetitive) Output Peak Current (non repetitive) Total Power Dissipation : at Tpins = 90C at Tamb = 70C Storage and Junction Temperature Value 28 VS 1 1.5 2 4.3 1 - 40 to 150 Unit V VPP A A W W C THERMAL DATA Rth (j-pins) R th (j-a) Junction-pins Thermal Resistance Junction-ambient Thermal Resistance Max Max 14 80 C/W C/W 8191-02.TBL 8191-03.TBL Symbol Parameter Value Unit ELECTRICAL CHARACTERISTICS (Refer to fig. 1 ; VS = 24V, RL = 16, Pin 11 floating, f = 50kHz, Vi = 1mV, fo = 5.5MHz, fm = 1kHz, Tamb = 25oC unless otherwise specified) Symbol VS VO V1 ID VI 2/6 Parameter Supply Voltage (Pin 18) Quiescent Output Voltage (Pin 17) Pin 1 DC Voltage Quiescent Drain Current Input Limiting Voltage at Pin 2 (- 3dB) Test Conditions Vc = 4.5V Vc = 4.5V Vc = 4.5V Vc = 4.5V Vo = 4VRMS Min. 10.8 11 Typ. 24 12 5.3 35 50 Max. 27 13 Unit V V V mA V 100 8191-01.TBL TDA8191 ELECTRICAL CHARACTERISTICS (continued) (Refer to fig. 1 ; VS = 24V, RL = 16, Pin 11 floating, f = 50kHz, Vi = 1mV, fo = 5.5MHz, fm = 1kHz, Tamb = 25oC unless otherwise specified) Symbol V9 R9 AMR RI CI V12 Kv KV Tj PO SVR Parameter Recovered Audio Voltage (pin 9) Deemphasis Resistance Amplitude Modul. Rejection Input Resistance (pin 2) Input Capacitance (pin 2) DCVC Reference Voltage Volume Attenuation Volume Attenuation Thermal Drift Output Power (d = 10%) Supply Voltage Rej. (Pin 17) (Pin 9) Function Switch. - Television Broadc. Reproduction - Peritelevision Reproduction R 11 V10 R 10 CT S+N Input Resistance Input Voltage (d 2%) Input Resistance Crosstalk between Pins 9, 10 Signal to Noise Ratio Distortion (PO = 250mV) Deviation Sens. VC = 0.5V ; VO = 4VRMS 4 f = 0 ; VO = 4VRMS VO = 4VRMS ; V11 = 12V f = 20Hz to 20kHz 10 60 60 70 2 10 VC = 4.5V fripple = 100Hz VC = 0.5V ; Fig. 2 VC = 4.5V ; Fig. 2 Tj = 300 to 380K Fig. 3 3.5 20 50 Test Conditions VC = 4.5V, f = 15kHz f = 20Hz to 20kHz m = 0.3, VO = 4VRMS f = 0 f = 0, VC =4.5V 5.6 80 - 0.05 4 26 60 - 0.1 Min. 200 500 45 700 60 30 6 6.2 1.0 Typ. Max. 400 1000 Unit mVRMS dB k pF V dB dB dB/C W dB dB V11 0 8 10 0.5 2 or Pin 11 Floating 12 2.0 V V k VRMS k dB dB % kHz 8191-04.TBL 8191-03.EPS N d f Figure 1 : Test Circuit R1 VS 47 0F 0 .1F IF inp ut V i 0.1F 4.7F 270k 18 2 1 5 6 15 16 17 47 0F Vo 220 nF RL 22F 51 3 0.1F 4 7 8 TDA 8191 9 68 nF 10 11 12 13 15k 19 14 20 270 22 4.5k 11k 22F VC 68pF L1 1F 0.1F 8.2pF 1F V11 SW 24k V10 L1 : Qu = 80 @ f0 = 5.5MHz OUT IN 3/6 TDA8191 TYPICAL APPLICATION 270k VS 4.7F 0.1F R1 = 1.8k 470F 0.1F IF input 560 560 3 2 18 1 5 6 15 16 17 470F Vo 220nF TDA 8191 4 7 8 68nF 68pF L1 9 15k RL 0.1F 10 11 12 13 14 20 19 2.2F R2 270 C1 = 4.7nF 6.6 1.5k 11k 2.2F VC 1F 0.1F 8.2pF 1F V9 OUT V10 24k Volume L1 : Qu = 80e, fo = 5.5MHz. IN Figure 2 : Volume Attenuationversus DC Volume Control Voltage TT = 300k Figure 3 : K (dB) 30 20 Volume Attenuation Thermal Drift K Tip (dB) 0 10 20 30 40 50 60 70 80 90 0 1 2 12 dB (30 +/-6 dB) 10 0 -10 -20 -30 8191-05.EPS TYP at TJ = 380k WORST CASE at TJ = 380k k+ Noise V C (V) 3 k 4 5 -50 10 30 50 70 90 110 Figure 4 : Relative Audio Output Voltage and Output Noise versus Input Signa S+N N (dB) Vo 0 10 20 30 40 50 60 70 80 90 Figure 5 : d (%) 10 8 6 4 2 8191-07.EPS Distortion versus Output Power Vo (dB) 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 10 VS = 12V, R L = 8 VS = 24V, R L = 16 S+N N 0dB = 4V 10 2 10 3 Vi (V) 10 4 10 5 0 10 -2 10 -1 1 10 4/6 8191-08.EPS Pl o (W) 8191-06.EPS -40 k 8191-04.EPS V11 SW TDA8191 Figure 6 : 2 0 -2 -4 -6 8191-09.EPS Audio Amplifier Frequency Response Figure 7 : 5 4 Po (W) d = 10% Output Power versus Supply Voltage Vo (dB) V11 = 8V V10 = 200V R L = 16 3 2 1 0 8 10 12 14 16 18 20 22 24 26 28 8191-10.EPS 8191-12.EPS R L = 8 R L = 16 = f A (Hz) -8 10 10 2 10 3 10 4 10 5 V s (V) Figure 8 : P tot (W) d = 10% Power Dissipation versus Supply Voltage (sine wave operation) Figure 9 : P tot (W) Power Dissipation and Efficiency versus Output Power (%) P tot 100 80 60 40 20 Po (W) 0 4 3 3 2.5 2 R L = 16 2 1 0 8 R L = 8 R L = 16 1.5 1 8191-11.EPS V s (V) 10 12 14 16 18 20 22 24 26 28 0 1 2 3 4 5 Figure 10 : Quiescent Drain and Quiescent Output Voltage versus Supply Voltage Vo 20 Vi = 0 P2 = 12k 15 10 5 V s (V) 0 8 12 16 20 24 28 29 IS Vo I S (mA) 33 32 31 30 8191-13.EPS 5/6 TDA8191 PACKAGE MECHANICAL DATA 20 PINS - PLASTIC DIP a1 I b1 b Z e3 B e Z L E D 20 11 F 1 10 Dimensions a1 B b b1 D E e e3 F i L Z Min. 0.254 1.39 Millimeters Typ. Max. 1.65 Min. 0.010 0.055 Inches Typ. Max. 0.065 0.45 0.25 25.4 8.5 2.54 22.86 7.1 3.93 3.3 1.34 0.018 0.010 1.000 0.335 0.100 0.900 0.280 0.155 0.130 0.053 DIP20.TBL 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) 1994 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 - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 6/6 PM-DIP20.EPS |
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