TDA7451

TDA7451 ® 4x7W OR 2x22W CAR RADIO POWER AMPLIFIER PLUS TRIPLE POWER SUPPLY PRELIMINARY DATA HIGH OUTPUT POWER CAPABILITY: 4 x 9.5W OR 2 x 32W/4Ω MAX 4 x 8.5W OR 2 x 28W/4Ω EIAJ 4 x 7W OR 2 x 22W/4Ω @14.4V, 1KHz; 10% MINIMIZED EXTERNAL COUNT - NO NEED OF DECOUPLING CAPACITORS - NO NEED OF BOOTSTRAP CAPACITOR - NO NEED OF EXTERNAL COMPENSATION - INTERNALLY FIXED GAIN (20dB) POP-FREE AUDIO SECTION ST-BY FUNCTION (C-MOS) MUTE FUNCTION (C-MOS) CLIP DETECTOR, THERMAL WARNING, SHORT CIRCUIT DETECTION BUILT-IN VOLTAGE REGULATORS: - 5V @ 150mA WITH RESET - 5V @ 500mA WITH ST-BY - 8.5V @ 200mA WITH ST-BY REGULATORS DIAGNOSTIC FEATURE: RE: UN UNSE, SHO DERVOLTAGE, 8.5V DROP SENSE, SHORT CIRCUIT, LOAD DUMP, OVER-TEMPERAR-TEMPER ) s ( t c u d o ) r s ( P t c e t u e d l o o r s P b e O t e l ) o s ( s t b c u O d o ) r s P ( t c e t u e l d o o r s P b O e t le o s b O Flexiwatt25 ORDERING NUMBER: R TDA745 TDA7451 TURE PROTECTIONS General: LOAD D DUMP OVERRATING VERRAT CHIP TEMPERATURE Audio Section: Se OUT SHORT (TO GND, TO Vs OU AND ACROSS THE LOAD) Power Supply Section: SHORT CIRCUIT PROTECTION (OUT TO GND) BLOCK DIAGRAM IN RR IN RF 10KΩ 10 Ω MUTE 0.1μF 0.1μF 10μF VCC VCC1 10KΩ 11 12 22 8 ST-BY S 1μF VCC2 6 VO3 2 200mA REG. 23 VO2 3 500mA REG. VO1 4 - 22K 10μF hvcc 21 - 25 HVCC 17 + + 9 RESET + LF 150mA REG. 22K - RR 10μF 5V + RF 10μF 5V 1000μF 20 + 8.5V 0.1μF 1 - TAB LR 7 DIAG SVR DIAG 10 5 - 15 14 16 STCAP 47μF 470μF 19 13 DDL 0.1μF 18,24 PW-GND + S-GND 0.1μF D95AU311C IN LF October 1999 IN LR 1/9 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. TDA7451 ABSOLUTE MAXIMUM RATINGS Symbol Value Unit VS Operating Supply Voltage 18 V VS VS Io DC Supply Voltage 28 V Peak Supply Voltage (t = 50ms) Audio Output Peak Current (non repetitive t = 100μs) Audio Output Peak Current (repetitive f > 10Hz) 40 4 3 V A A Io Ptot Parameter Voltage Regulators Output Current Power Dissipation at Tcase = 85°C Tstg, Tj Vout Storage and Junction Temperature Range Output Voltages (DIAG, RESET) Vin RESR Input Voltages (ST-BY, MUTE) Output capacitor series resistance internally limited 55 W -40 to 150 7 °C V 18 0.2 to 10 V Ω ) s ( t c u d o ) r s ( P t c e t u e d l o o r s P b e O t e l ) o s ( s t b c u O d o ) r s P ( t c e t u e l d o o r s P b O e t le o s b O PIN CONNECTION HVCC PWGND MUTE OUT-RF VCC2 OUT-RR OUT-LR PWGND DDL OUT-LF IN-LF IN-LR IN-RR SGND SVR IN-RF RESET DIAG ST-BY VCC1 REG1 ST-CAP REG2 TAB 25 REG3 1 D95AU315 THERMAL DATA Symbol Rth j-case 2/9 Parameter Thermal Resistance Junction-case Unit 1.2 °C/W TDA7451 PO = 4 X 7W S.E. APPLICATION IN RR IN RF 10KΩ MUTE 0.1μF 0.1μF 10μF VCC VCC1 10KΩ 12 22 8 ST-BY 11 0.1μF VCC2 6 20 23 1μF 8.5V VO3 2 VO2 3 + RF 10μF 5V 1000μF 21 - + ) s ( t c u d o ) r s ( P t c e t u e d l o o r s P b e O t e l ) o s ( s t b c u O d o ) r s P ( t c e t u e l d o o r s P b O e t le o s b O RR 10μF 4 VO1 5V 22K 25 HVCC LF 10μF 17 22K + 9 RESET 1 - AB TAB LR 19 7 DIAG SVR 10 5 15 16 14 STCAP 47μF 470μF 13 DDL 0.1μF 18,24 PW-GND + S-GND 0. 0.1μF D96AU514 IN LF IN LR PO = 2 X 22W BTL APPLICATION IN R 10KΩ MUTE 0.22μF 10μF μF VCC VCC2 VCC1 22 12 11 6 1000μF 20 10KΩ ST-BY 0.1μF 23 8 + 1μF VO3 8.5V 8 OUT R 2 10μF VO2 5V 3 10μF 25 VO1 5V 22K 10μF - 21 4 17 22K RESET 9 DIAG 7 SVR 1 OUT L - 19 10 5 15 STCAP 47μF + TAB 470μF 14 16 DDL 13 18,24 PW-GND S-GND 0.22μF D96AU515 IN L 3/9 TDA7451 ELECTRICAL CHARACTERISTICS (Refer to the test circuit; VS = 14.4V; RL = 4Ω, Tamb = 25°C, f = 1kHz, unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit 80 150 1.5 mA V V mA GENERAL Iq VSB IN VSB OUT IST-BY Total Quiescent Current ST-BY IN Threshold Voltage ST-BY OUT Threshold Voltage Stand-by Current Consumption IL01, IL02, IL03 = 5mA 3.5 IL01 = 2mA 0.5 AUDIO SECTION PO Output Power RL = 4Ω; THD = 10% Bridge Single Ended VS = 13.7V Bridge Single Ended VS = 14.4V Bridge Single Ended RL = 4Ω; Single Ended, PO = 0.1 to 3W Bridge, PO = 0.1 to 8W f = 1kHz; Rg = 0 f = 10kHz; Rg = 0 Single Ended Bridge Single Ended Bridge 19 6 22 7 W W 26 7.5 28 8.5 W W 30 8 32 9.5 W W ) s ( t c u d o ) r s ( P t c e t u e d l o o r s P b e O t e l ) o s ( s t b c u O d o ) r s P ( t c e t u e l d o o r s P b O e t le o s b O Po EIAJ Po max. d EIAJ Output Power (**) Max. Output Power (**) Distortion CT Cross Talk RIN Input Impedance GV Voltage Gain GV BW ENO SVR ASB IPIN 8 AM VM IN VM OUT ICD Voltage Gain Match. Bandwidth Output Noise Voltage (*) Supply Voltage Rejection n ion Stand-by Attenuation ST-BY Pin Current ent MUTE Attenuation ation MUTE E IN Threshold Thresho Voltage MUTE OUT Threshold T Voltage Clipping Detector D Current (Pull up u to 5V with 10KΩ) -3dB Rg = 0; Single Ended Rg = 0; f = 100Hz; Single Ended Play mode; Vpin8 = 5V 50 70 35 19 25 0.04 0.06 60 55 100 50 20 26 0.3 0.3 5 280 % % dB dB KΩ KΩ dB dB dB KHz μV dB dB μA dB V V μA μA 5.15 80 600 700 V mV mA mV 10 40 dB dB mV 4.0 4.25 250 4.7 130 65 21 27 1 100 48 90 -10 80 100 55 100 30 90 1.5 3.5 CDoff: Pomin = 3.5W CDon: THD = 5% 50 190 4.85 5 250 350 POWER WER SUP SUPPLY SECTION VO1 ΔVO1 ILO1 ΔVO1 SVR ΔVO1 Output Voltages Load Regulation 1 Current Limit Dropout Voltages Ripple Rejection Line Regulation 1 I01 = 5mA I01 = 5 to 150mA V01 = 0V I01 = 150mA Vripple = 1Vpp; I01 = 50mA f = 100Hz f = 10KHz VS = 8 to 18V; IO1 = 5mA 60 50 RESET Reset On Reset Off Reset Hyst Low VREG1 Reset On Threshold Low VREG1 Reset Off Threshold Reset Threshold Hysteresis vs Reg 1 Vout on Reset Reset Output Voltage (*) 22Hz to 22KHz 4/9 3.5 Reset activated R(Reset to VReg1) ≥ 15K 500 V V mV 1.5 V TDA7451 ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit 7 7.5 7.6 100 21 90 8 150 22 200 V V mV V mV 1.5 V 5.15 100 0 1.5 1.5 V mV A V 40 8.75 80 800 1 dB dB mV V mV mA V 40 dB dB mV DIAGNOSTIC OUTPUT Diag On Vs Low Vs Diag. ON Threshold Diag Off Vs Low Vs Diag. OFF Thrershold Diag Hyst Vs Low Vs Diag. Hysteresis Diag Dump Diag. Threshold vs Overvoltage Diag On VREG3 Output Voltage Drop Before Diag. Activation Drop Vout On Diag Diag. Output Voltage VO2 ΔVO2 IL02 ΔVO2 SVR 20 IO3 = 100mA Diag activated R (Diag to VREG1) ≥ 15K IO2 = 5mA IO2 = 5 to 500mA VO2 = 0V IO2 = 500mA Vripple = 1Vpp; I02 = 100mA f = 100Hz f = 10KHz VS = 8 to 18V, IO2 = 5mA IO3 = 5mA IO3 = 5 to 200mA Output Voltage 2 Load Regulation 2 Current Limit 2 Dropout Voltage Ripple Rejection 4.85 5 0.8 1 1 ) s ( t c u d o ) r s ( P t c e t u e d l o o r s P b e O t e l ) o s ( s t b c u O d o ) r s P ( t c e t u e l d o o r s P b O e t le o s b O ΔVO2 VO3 ΔVO3 IL03 ΔVO3 SVR ΔVO3 Line Regulation Output Voltage 3 Load Regulation 3 Current Limit 3 Dropout Voltage Ripple Rejection 60 50 IO3 = 200mA A Vripple = 1Vpp; I003 = 100mA 0H f = 100Hz 0KHz f = 10KHz VS = 11 to 18V, IO3 = 5mA Line Regulation 3 8. 8.25 10 8.5 300 400 60 50 10 DIAGNOSTIC DIAGRAM STCAP DIAG VCC STCAP HYST=0.1V HYST= 7.5V SHORT + OUT DUMP RESET HYST=0.5V 4V + 21V REG1 REG1 5V 150mA - SHORT OUT REG3 REG3 8.5V 200mA DROP SENSE EN + 2.8V OUT SHORT - OUT REG2 REG2 5V 500mA EN + 2.2V - - Tj>170 ST-BY + AMPLIFIERS OVERLOAD CD REFERENCE EN CLIPPING AMPLIFIERS Tj>150 D96AU504B 5/9 TDA7451 VOLTAGE SUPPLY SECTION WAVEFORMS VCC 8.5 7.6 5 ) s ( t c u d o ) r s ( P t c e t u e d l o o r s P b e O t e l ) o s ( s t b c u O d o ) r s P ( t c e t u e l d o o r s P b O e t le o s b O VREG1 4.25 4 RESET OFF ON ST-BY 2.2 VREG2 5V 5 VREG3 8.5 DIAG OFF ON D96AU505B 6/9 TDA7451 AUDIO SECTION WAVEFORMS ST-BY PIN VOLTAGE t MUTE PIN VOLTAGE ) s ( t c u d o ) r s ( P t c e t u e d l o o r s P b e O t e l ) o s ( s t b c u O d o ) r s P ( t c e t u e l d o o r s P b O e t le o s b O t Vs OUTPUT WAVEFORM t Vpin 16 WAVEFORM t CLIPPING D96AU516 6AU516 SHORT TO GND OR TO Vs THERMAL PROXIMITY 7/9 TDA7451 DIM. A B C D E F (1) G G1 H (2) H1 H2 H3 L (2) L1 L2 (2) L3 L4 L5 M M1 N O R R1 R2 R3 R4 V V1 V2 V3 MIN. 4.45 1.80 0.75 0.37 0.80 23.75 28.90 22.07 18.57 15.50 7.70 mm TYP. 4.50 1.90 1.40 0.90 0.39 1.00 24.00 29.23 17.00 12.80 0.80 22.47 18.97 15.70 7.85 5 3.5 4.00 4.00 2.20 2 1.70 0.5 0.3 1.25 0.50 MAX. 4.65 2.00 MIN. 0.175 0.070 1.05 0.42 0.57 1.20 24.25 29.30 0.029 0.014 22.87 19.37 15.90 7.95 0.869 0.731 0.610 0.303 4.30 4.40 0.145 0.142 0.031 0.935 1.138 inch TYP. 0.177 0.074 0.055 0.035 0.015 0.040 0.945 1.150 0.669 0.503 0.031 0.884 0.747 0.618 0.309 0.197 0.138 0.157 0.157 0.086 0.079 0.067 0.02 0.12 0.049 0.019 MAX. 0.183 0.079 OUTLINE AND MECHANICAL DATA 0.041 0.016 0.022 0.047 0.955 1.153 0.904 0.762 0.626 0.313 ) s ( t c u d o ) r s ( P t c e t u e d l o o Flexiwatt25 r s P b e O t e l ) o s ( s t b c u O d o ) r s P ( t c e t u e l d o o r s P b O e t le o s b O 3.70 3.60 0.169 0.173 5˚ (Typ.) 3˚ (Typ.) 20˚ (Typ.) 45˚ (Typ.) (1): dam-bar protusion not included (2): molding protusion included H H1 V3 A H2 O H3 R3 L4 R4 V1 R2 L2 N L3 R L L1 V1 V2 R2 D R1 L5 R1 R1 E G G1 F V M B C V FLEX25ME 8/9 M1 TDA7451 ) s ( t c u d o ) r s ( P t c e t u e d l o o r s P b e O t e l ) o s ( s t b c u O d o ) r s P ( t c e t u e l d o o r s P b O e t le o s b O Information furnished is believed to be accurate and reliable. However, STMicroelectronics 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 license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. 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