TDA2822M DUAL LOW-VOLTAGE POWER AMPLIFIER .. .. SUPPLY VOLTAGE DOWN TO 1.8V LOW CROSSOVER DISTORSION LOW QUIESCENT CURRENT BRIDGE OR STEREO CONFIGURATION MINIDIP ORDERING NUMBER : TDA2822M DESCRIPTION The TDA2822M is a monolithic integrated circuit in 8 lead Minidip package. It is intended for use as dual audio power amplifier in portable cassette players and radios. PIN CONNECTION (Top view) March 1995 1/11 TDA2822M SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit Vs Supply Voltage 15 V Io Peak Output Current 1 A 1 1.4 W W – 40, + 150 °C Ptot Tstg, Tj Total Power Dissipation at Tamb = 50 °C at Tcase = 50 °C Storage and Junction Temperature THERMAL DATA Symbol Value Unit Rth j-amb Thermal Resistance Junction-ambient Max. 100 °C/W R th j-case Thermal Resistance Junction-pin (4) Max. 70 °C/W 2/11 Parameter TDA2822M ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25oC, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit 15 V V V mA nA mW STEREO (test circuit of Figure 1) Vs Vo Supply Voltage Quiescent Output Voltage Id Ib Po Quiescent Drain Current Input Bias Current Output Power (each channel) (f = 1kHz, d = 10%) 1.8 2.7 1.2 6 100 Vs = 3V R L = 32Ω R L = 16Ω R L = 8Ω R L = 4Ω d Distortion (f = 1kHz) Gv ∆Gv Ri eN Closed Loop Voltage Gain Channel Balance Input Resistance Total Input Noise SVR Cs Supply Voltage Rejection Channel Separation R L = 32Ω R L = 16Ω R L = 8Ω f = 1kHz VS = 9V VS = 6V VS = 4.5V VS = 3V VS = 2V VS = 6V VS = 9V VS = 6V VS = 6V VS = 4.5V VS = 3V Po = 40mW Po = 75mW Po = 150mW f = 1kHz R s = 10kΩ B = Curve A B = 22Hz to 22kHz f = 100Hz, C1 = C2 = 100µF f = 1kHz 90 15 170 300 450 36 300 120 60 20 5 220 1000 380 650 320 110 0.2 0.2 0.2 39 9 41 ±1 100 24 2 2.5 30 50 % % % dB dB kΩ µV µV dB dB BRIDGE (test circuit of Figure 2) Vs Id Vos Ib Po Supply Voltage Quiescent Drain Current Output Offset Voltage (between the outputs) Input Bias Current Output Power (f = 1kHz, d = 10%) 1.8 RL = ∞ R L = 8Ω 6 100 R L = 32Ω d Gv Ri eN Distortion Closed Loop Voltage Gain Input Resistance Total Input Noise SVR B Supply Voltage Rejection Power Bandwidth (–3dB) VS = 9V VS = 6V VS = 4.5V VS = 3V VS = 2V VS = 9V R L = 16Ω VS = 6V VS = 3V VS = 6V R L = 8Ω VS = 4.5V VS = 3V VS = 4.5V R L = 4Ω VS = 3V VS = 2V Po = 0.5W, RL = 8Ω, f = 1kHz f = 1kHz f = 1kHz R s = 10kΩ B = Curve A B = 22Hz to 22kHz f = 100Hz R L = 8Ω, Po = 1W 320 50 900 200 1000 400 200 65 8 2000 800 120 1350 700 220 1000 350 80 0.2 39 100 2.5 3 40 120 15 9 ± 50 V mA mV nA mW % dB kΩ µV µV dB kHz 3/11 TDA2822M Figure 1 : Test Circuit (Stereo) Figure 2 : Test Circuit (Bridge) Figure 3 : 4/11 P.C. Board and Components Layout of the Circuit of Figure 1 Figure 4 : P.C. Board and Components Layout of the Circuit of Figure 2 TDA2822M Figure 5 : Quiescent Current versus Supply Voltage Figure 6 : Supply Voltage Rejection versus Frequency Figure 7 : Output Power versus Supply Voltage (THD = 10%, f = 1kHz Stereo) Figure 8 : Distorsion versus Output Power (Stereo) Figure 9 : Distorsion versus Output Power (Stereo) Figure 10 : Output Power versus Supply Voltage (Bridge) 5/11 TDA2822M Figure 11 : Distorsion versus Output Power (Bridge) Figure 12 : Total Power Dissipation versus Output Power (Bridge) Figure 13 : Total Power Dissipation versus Output Power (Bridge) Figure 14 : Total Power Dissipation versus Output Power (Bridge) Figure 15 : Total Power Dissipation versus Output Power (Bridge) 6/11 TDA2822M Figure 16 : Typical Application in Portable Players Figure 17 : Application in Portable Radio Receivers 7/11 TDA2822M Figure 18 : Portable Radio Cassette Players Type TDA 7220 TDA 7211A TEA 1330 TDA 7282 TDA 2822M Supply Voltage 1.5 V to 6 V 1.2 V to 6 V 3 V to 15 V 1.5 V to 6 V 1.8 V to 15 V Figure 19 : Portable Stereo Radios Type TDA 7220 TDA 7211A TEA 1330 TDA 2822M Supply Voltage 1.5 V to 6 V 1.2 V to 6 V 3 V to 15 V 1.8 V to 15 V Figure 20 : Low Cost Application in Portable Players (using only one 100µF output capacitor) 8/11 TDA2822M Figure 21 : 3V Stereo Cassette Player with Motot Speed Control 9/11 TDA2822M MINIDIP PACKAGE MECHANICAL DATA mm DIM. MIN. A TYP. MAX. MIN. 3.32 TYP. MAX. 0.131 a1 0.51 0.020 B 1.15 1.65 0.045 0.065 b 0.356 0.55 0.014 0.022 b1 0.204 0.304 0.008 0.012 D E 10.92 7.95 9.75 0.430 0.313 0.384 e 2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 F 6.6 0.260 I 5.08 0.200 L Z 10/11 inch 3.18 3.81 1.52 0.125 0.150 0.060 TDA2822M 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 license 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 notice. 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 SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A. 11/11 This datasheet has been download from: www.datasheetcatalog.com Datasheets for electronics components.