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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
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SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Vs Io Ptot Tstg, Tj Supply Voltage Peak Output Current Total Power Dissipation at Tamb = 50 C at Tcase = 50 C Storage and Junction Temperature Parameter Value 15 1 1 1.4 - 40, + 150 Unit V A W W C
THERMAL DATA
Symbol Rth j-amb R th j-case Parameter Thermal Resistance Junction-ambient Thermal Resistance Junction-pin (4) Max. Max. Value 100 70 Unit C/W C/W
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ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25oC, unless otherwise specified)
Symbol Vs Vo Id Ib Po Parameter Supply Voltage Quiescent Output Voltage Vs = 3V Quiescent Drain Current Input Bias Current Output Power (each channel) (f = 1kHz, d = 10%) Test Conditions Min. 1.8 2.7 1.2 6 100 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 300 120 60 20 5 220 1000 380 650 320 110 0.2 0.2 0.2 39 Typ. Max. 15 Unit V V V mA nA mW STEREO (test circuit of Figure 1)
9
R L = 32
90 15 170 300 450
R L = 16 R L = 8 R L = 4 d Distortion (f = 1kHz) R L = 32 R L = 16 R L = 8 f = 1kHz f = 1kHz R s = 10k
Gv Gv Ri eN SVR Cs Vs Id Vos Ib Po
Closed Loop Voltage Gain Channel Balance Input Resistance Total Input Noise Supply Voltage Rejection Channel Separation Supply Voltage Quiescent Drain Current Output Offset Voltage (between the outputs) Input Bias Current Output Power (f = 1kHz, d = 10%)
36 100
41 1
B = Curve A B = 22Hz to 22kHz f = 100Hz, C1 = C2 = 100F f = 1kHz
24
2 2.5 30 50 15 9 50
% % % dB dB k V V dB dB V mA mV nA mW
BRIDGE (test circuit of Figure 2) 1.8 RL = R L = 8 6
100 R L = 32 VS = 9V VS = 6V VS = 4.5V VS = 3V VS = 2V VS = 9V R L = 16 VS = 6V VS = 3V VS = 6V R L = 8 VS = 4.5V VS = 3V VS = 4.5V R L = 4 VS = 3V VS = 2V Po = 0.5W, RL = 8, f = 1kHz f = 1kHz f = 1kHz R s = 10k B = Curve A B = 22Hz to 22kHz f = 100Hz R L = 8, Po = 1W 1000 400 200 65 8 2000 800 120 1350 700 220 1000 350 80 0.2 39 2.5 3 40 120
320 50
900
200
d Gv Ri eN SVR B
Distortion Closed Loop Voltage Gain Input Resistance Total Input Noise Supply Voltage Rejection Power Bandwidth (-3dB)
100
% dB k V V dB kHz
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Figure 1 : Test Circuit (Stereo)
Figure 2 : Test Circuit (Bridge)
Figure 3 :
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
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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)
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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)
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Figure 16 : Typical Application in Portable Players
Figure 17 : Application in Portable Radio Receivers
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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 100F output capacitor)
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Figure 21 : 3V Stereo Cassette Player with Motot Speed Control
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MINIDIP PACKAGE MECHANICAL DATA
DIM. MIN. A a1 B b b1 D E e e3 e4 F I L Z 3.18 7.95 2.54 7.62 7.62 6.6 5.08 3.81 1.52 0.125 0.51 1.15 0.356 0.204 1.65 0.55 0.304 10.92 9.75 0.313 0.100 0.300 0.300 0.260 0.200 0.150 0.060 mm TYP. 3.32 0.020 0.045 0.014 0.008 0.065 0.022 0.012 0.430 0.384 MAX. MIN. inch TYP. 0.131 MAX.
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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. (c) 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.
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