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