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TDA7220

ST Microelectronics
Part Number TDA7220
Manufacturer ST Microelectronics
Description DUAL LOW-VOLTAGE POWER AMPLIFIER
Published Apr 23, 2005
Detailed Description TDA2822M DUAL LOW-VOLTAGE POWER AMPLIFIER . . . . SUPPLY VOLTAGE DOWN TO 1.8V LOW CROSSOVER DISTORSION LOW QUIESCENT C...
Datasheet PDF File TDA7220 PDF File

TDA7220
TDA7220

Overview
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 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 2/11 TDA2822M 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 = 32Ω 90 15 170 300 450 R L = 16Ω R L = 8Ω R L = 4Ω d Distortion (f = 1kHz) R L = 32Ω R L = 16Ω R L = 8Ω f = 1kHz f = 1kHz R s = 10kΩ 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 = 100µF f = 1kHz 24 2 2.
5 30 50 15 9 ± 50 % % % dB dB kΩ µV µV dB dB V mA mV nA mW BRIDGE (test circ...


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