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)
September 2003
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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 Rth 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 36 100 B = Curve A B = 22Hz to 22kHz 24 2 2.5 30 50 15 9 50 100 VS = 9V VS = 6V VS = 4.5V VS = 3V VS = 2V RL = 16 VS = 9V VS = 6V VS = 3V RL = 8 VS = 6V VS = 4.5V VS = 3V RL = 4 VS = 4.5V VS = 3V VS = 2V Po = 0.5W, RL = 8, f = 1kHz f = 1kHz f = 1kHz Rs = 10k f = 100Hz B = Curve A B = 22Hz to 22kHz RL = 32 1000 400 200 65 8 2000 800 120 1350 700 220 1000 350 80 0.2 39 100 2.5 3 40 % dB k V V dB 300 120 60 20 5 220 1000 380 650 320 110 0.2 0.2 0.2 39 41 1 f = 1kHz Rs = 10k % % % dB dB k V V dB dB V mA mV nA mW Typ. Max. 15 Unit V V V mA nA mW STEREO (test circuit of Figure 1)
9
RL = 32
90 15 170 300 450
RL = 16 RL = 8 RL = 4 d Distortion (f = 1kHz)
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%)
RL = 32 RL = 16 RL = 8 f = 1kHz
f = 100Hz, C1 = C2 = 100F f = 1kHz
BRIDGE (test circuit of Figure 2) 1.8 RL = RL = 8 6
320 50
900
200
d Gv Ri eN SVR
Distortion Closed Loop Voltage Gain Input Resistance Total Input Noise Supply Voltage Rejection
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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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mm 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 TYP. 3.32 0.020 0.045 0.014 0.008 MAX. MIN.
inch TYP. 0.131 MAX.
OUTLINE AND MECHANICAL DATA
0.065 0.022 0.012 0.430 0.384 0.100 0.300 0.300 0.260 0.200 0.150 0.060
Minidip
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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
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