TDA2822M

TDA2822M ® DUAL LOW-VOLTAGE POWER AMPLIFIER .. .. SUPPLY VOLTAGE DOWN TO 1.8V LOW CROSSOVER DISTORSION LOW QUIESCENT CURRENT BRIDGE OR STEREO CONFIGURATION ) s ( ct u d o r P e t e l o bs MINIDIP ORDERING NUMBER : TDA2822M O ) 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. s ( t c u d o r P e PIN CONNECTION (Top view) t e l o s b O September 2003 1/11 TDA2822M SCHEMATIC DIAGRAM ) s ( ct u d o r P e t e l o ABSOLUTE MAXIMUM RATINGS Symbol Supply Voltage Io Peak Output Current Ptot l o s Parameter o r P Total Power Dissipation at Tamb = 50 °C at Tcase = 50 °C ete Tstg, Tj ct du Vs ) (s s b O Storage and Junction Temperature Value Unit 15 V 1 A 1 1.4 W W – 40, + 150 °C THERMAL DATA b O Symbol Value Unit Rth j-amb Thermal Resistance Junction-ambient Max. 100 °C/W Rth 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 RL = 32Ω RL = 16Ω RL = 8Ω RL = 4Ω d Distortion (f = 1kHz) Gv Closed Loop Voltage Gain Channel Balance ∆Gv Ri eN SVR Cs Input Resistance Total Input Noise RL = 32Ω RL = 16Ω RL = 8Ω f = 1kHz Rs = 10kΩ t c u BRIDGE (test circuit of Figure 2) Vs Id Vos Supply Voltage Quiescent Drain Current d o r Ib Po ) (s Output Offset Voltage (between the outputs) Input Bias Current Output Power (f = 1kHz, d = 10%) P e t e l o s b O d Gv Ri eN Distortion Closed Loop Voltage Gain Input Resistance Total Input Noise SVR Supply Voltage Rejection Po = 40mW Po = 75mW Po = 150mW 90 15 170 r P e t e l o 36 0.2 0.2 0.2 39 24 100 f = 100Hz B = Curve A B = 22Hz to 22kHz µV µV dB dB 30 50 6 320 50 900 200 dB dB kΩ RL = 8Ω Rs = 10kΩ 41 2 2.5 RL = ∞ VS = 9V VS = 6V VS = 4.5V VS = 3V VS = 2V RL = 16Ω VS = 9V VS = 6V VS = 3V RL = 8Ω VS = 6V VS = 4.5V VS = 3V RL = 4Ω VS = 4.5V VS = 3V VS = 2V Po = 0.5W, RL = 8Ω, f = 1kHz f = 1kHz f = 1kHz % % % 100 1.8 RL = 32Ω ) s ( ct ±1 B = Curve A B = 22Hz to 22kHz f = 100Hz, C1 = C2 = 100µF f = 1kHz 300 120 60 20 5 220 1000 380 650 320 110 u d o 300 450 s b O f = 1kHz Supply Voltage Rejection Channel Separation VS = 9V VS = 6V VS = 4.5V VS = 3V VS = 2V VS = 6V VS = 9V VS = 6V VS = 6V VS = 4.5V VS = 3V 9 15 9 V mA ± 50 mV nA mW 1000 400 200 65 8 2000 800 120 1350 700 220 1000 350 80 0.2 39 % dB kΩ 2.5 3 µV µV dB 100 40 3/11 TDA2822M Figure 1 : Test Circuit (Stereo) ) s ( ct u d o r P e Figure 2 : Test Circuit (Bridge) t e l o ) (s s b O t c u d o r P e t e l o s b O 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 ) s ( ct Figure 7 : Output Power versus Supply Voltage (THD = 10%, f = 1kHz Stereo) ) (s Figure 8 : u d o r P e Distorsion versus Output Power (Stereo) t e l o s b O t c u d o r P e t e l o Figure 9 : s b O 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) ) s ( ct Figure 13 : Total Power Dissipation versus Output Power (Bridge) ) (s t c u d o r P e t e l o Figure 15 : Total Power Dissipation versus Output Power (Bridge) s b O 6/11 u d o r P e Figure 14 : Total Power Dissipation versus Output Power (Bridge) s b O t e l o TDA2822M Figure 16 : Typical Application in Portable Players ) s ( ct u d o r P e s b O Figure 17 : Application in Portable Radio Receivers ) (s t e l o t c u d o r P e t e l o s b O 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 ) s ( ct Figure 19 : Portable Stereo Radios u d o r P e Type t e l o ) (s t c u s b O 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) d o r P e t e l o s b O 8/11 TDA2822M Figure 21 : 3V Stereo Cassette Player with Motot Speed Control ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O 9/11 TDA2822M mm inch OUTLINE AND MECHANICAL DATA DIM. MIN. TYP. A 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 0.313 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 3.18 Z 3.81 0.125 0.150 ) (s 1.52 0.060 t c u d o r P e t e l o s b O 10/11 ) s ( ct 0.430 u d o r P e s b O t e l o Minidip TDA2822M ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l 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. Specifications 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. All other names are the property of their respective owners © 2003 STMicroelectronics - All rights reserved STMicroelectronics GROUP OF COMPANIES Australia – Belgium - Brazil - Canada - China – Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States www.st.com 11/11