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| (R) TDA7269 10 + 10W STEREO AMPLIFIER WITH MUTE & ST-BY WIDE SUPPLY VOLTAGE RANGE UP TO 20V SPLIT SUPPLY HIGH OUTPUT POWER 10 + 10W @ THD =10%, RL = 8, VS = +14V NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW Iq) THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION TO GND DESCRIPTION The TDA7269 is class AB dual Audio power amplifier assembled in the Multiwatt package, specially designed for high quality sound application as Hi-Fi music centers and stereo TV sets. Figure 1: Typical Application Circuit Multiwatt11 ORDERING NUMBER: TDA7269 +VS 1000F MUTE/ ST-BY IN (L) 1F 3 15K 1F 5 7 + - 4 OUT (L) 18K 4.7 100nF 560 8 15K +5V P 18K GND 9 10 IN- (L) RL (L) IN- (R) 560 18K 1F IN (R) 11 + 1 6 -VS 1000F 2 OUT (R) 4.7 100nF RL (R) D94AU085 July 1998 1/7 TDA7269 ABSOLUTE MAXIMUM RATINGS Symbol VS IO Ptot Top Tstg, Tj DC Supply Voltage Output Peak Current (internally limited) Power Dissipation T case = 70C Operating Temperature Storage and Junction Temperature Parameter Value 22 3 40 0 to 70 -40 to +150 Unit V A W C C PIN CONNECTION (Top view) 11 10 9 8 7 6 5 4 3 2 1 IN+(1) IN-(1) GND IN-(2) IN+(2) -VS MUTE OUTPUT(2) +VS OUTPUT(1) -VS TAB CONNECTED TO PIN 6 D95AU316 THERMAL DATA Symbol Rth j-case Description Thermal Resistance Junction-case Max Value 2.8 Unit C/W SINGLE SUPPLY APPLICATION D1 5.1V R1 10K PLAY 5V 0 MUTE C1 1F R3 15K MUTE/ST-BY Q1 BSX33 R2 15K C2 100F C3 1F IN (L) 5 7 + - +VS C5 1000F 3 4 OUT (L) R4 30K R5 1K 2 IN- (R) R6 30K R7 1K C9 470F C6 0.1F 8 9 C4 1F IN (R) 11 + 10 1 6 GND IN- (L) R8 4.7 C7 0.1F C10 470F OUT (L) OUT (R) R9 4.7 C8 0.1F OUT (R) D96AU444 2/7 TDA7269 ELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS = + 14V; RL = 8; RS = 50; GV = 30dB; f = 1KHz; Tamb = 25C, unless otherwise specified.) Symbol VS Iq VOS Ib PO Parameter Supply Range Total Quiescent Current Input Offset Voltage Non Inverting Input Bias Current Output Power THD = 10% R L = 8 ; VS + 12.5V; RL = 4 THD = 1% R L = 8 ; VS + 12.5V; RL = 4 THD Total Harmonic Distortion RL = 8 ; PO = 1W; f = 1KHz R L = 8 ; PO = 0.1 to 5W; f = 100Hz to 15KHz R L = 4 ; PO = 1W; f = 1KHz R L = 4 ; VS + 10V; PO = 0.1 to 5W; f = 100Hz to 15KHz CT SR GOL eN Ri SVR Tj Cross Talk Slew Rate Open Loop Voltage Gain Total Input Noise Input Resistance Supply Voltage Rejection (each channel) Thermal Shut-down Junction Temperature Mute / Play Threshold Mute Attenuation Stand-by / Mute Threshold Stand-by Attenuation Quiescent Current @ Stand-by -7 60 -3.5 fr = 100Hz Vr = 0.5V A Curve f = 20Hz to 22KHz 15 f = 1KHz f = 10KHz 50 6.5 70 60 10 80 3 4 20 60 145 8 0.02 1 8 7.5 -25 500 10 10 7.5 7.5 0.03 0.7 Test Condition Min. +5 60 Typ. Max. +20 100 +25 Unit V mA mV nA W W W W % % % % dB dB V/s dB V V K dB C MUTE FUNCTION [ref: +VS] (*) VTMUTE AM VTST-BY AST-BY Iq ST-BY -6 70 -2.5 110 3 6 -1.5 -5 V dB V dB mA STAND-BY FUNCTION [ref: +VS] (Only for Split Supply) (*) In mute condition the current drawn from Pin 5 must be 650A. 3/7 TDA7269 MUTE STAND-BY FUNCTION The pin 5 (MUTE/STAND-BY) controls the amplifier status by two different thresholds, referred to +VS. - When Vpin5 higher than = +VS - 2.5V the amplifier is in Stand-by mode and the final stage generators are off Figure 2 +VS (V) 20 - when Vpin5 is between +VS - 2.5V and +VS - 6V the final stage current generators are switched on and the amplifier is in mute mode - when Vpin5 is lower than +VS - 6V the amplifier is play mode. t -VS -20 VIN (mV) Vpin5 (V) VS VS-2.5 VS-6 VS-10 Iq (mA) 0 VOUT (V) OFF STDBY MUTE 4/7 PLAY STDBY PLAY OFF STDBY D94AU086 MUTE MUTE MUTE TDA7269 Figure 3: Test and Application Circuit (Stereo Configuration) +VS C4 C5 R2 C3 MUTE/ ST-BY IN (L) C1 +VS 5 7 + 8 3 R1 SW1 4 OUT (L) R5 IN- (L) C8 R6 R7 DZ RL (L) R4 SW2 R3 GND 9 10 IN- (R) R8 R9 C2 IN (R) 11 + 1 6 -VS C7 2 OUT (R) R10 C9 RL (R) C6 D94AU087 APPLICATIONS SUGGESTION (Demo Board Schematic) The recommended values of the external compoCOMPONENTS R1 R2 R3 R4 R5, R8 R6, R9 R7, R10 C1, C2 C3 C4, C6 C5, C7 C8, C9 Dz RECOMMENDED VALUE 10K 15K 18K 15K 18K 560 4.7 1F 1F 1000F 0.1F 0.1F 5.1V PURPOSE Mute Circuit Mute Circuit Mute Circuit Mute Circuit Closed Loop Gain Setting (*) Frequency Stability Input DC Decoupling St-By/Mute Time Constant Supply Voltage Bypass Supply Voltage Bypass Frequency Stability Mute Circuit nents are those shown are the demo board schematic different values can be used: the following table can help the designer. LARGER THAN RECOMMENDED VALUE Increase of Dz Biasing Current Vpin # 5 Shifted Downward Vpin # 5 Shifted Upward Vpin # 5 Shifted Upward Increase of Gain Decrease of Gain Danger of Oscillations Danger of Oscillations Higher Low Frequency Cutoff Larger On/Off Time Smaller On/Off Time Danger of Oscillations Danger of Oscillations Vpin # 5 Shifted Upward Vpin # 5 Shifted Downward Vpin # 5 Shifted Downward SMALLER THAN RECOMMENDED VALUE (*) Closed loop gain has to be => 25dB 5/7 TDA7269 MULTIWATT11 PACKAGE MECHANICAL DATA DIM. A B C D E F G G1 H1 H2 L L1 L2 L3 L4 L7 M M1 S S1 Dia1 21.5 21.4 17.4 17.25 10.3 2.65 4.1 4.88 1.9 1.9 3.65 4.3 5.08 17.5 10.7 0.49 0.88 1.57 16.87 19.6 20.2 22.3 22.2 18.1 17.75 10.9 2.9 4.5 5.3 2.6 2.6 3.85 0.846 0.843 0.685 0.679 0.406 0.104 0.161 0.192 0.075 0.075 0.144 0.169 0.200 0.689 0.421 1.7 17 1 0.55 0.95 1.83 17.13 0.019 0.035 0.062 0.664 0.772 0.795 0.878 0.874 0.713 0.699 0.429 0.114 0.177 0.209 0.102 0.102 0.152 0.067 0.669 mm MIN. TYP. MAX. 5 2.65 1.6 0.039 0.022 0.037 0.072 0.674 MIN. inch TYP. MAX. 0.197 0.104 0.063 6/7 TDA7269 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. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 1998 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 7/7 |
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