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GMA2822M

Gamma Microelectronics
Part Number GMA2822M
Manufacturer Gamma Microelectronics
Description Dual Low-voltage Power Amplifier
Published Dec 5, 2008
Detailed Description PRELIMINARY GMA2822M DUAL LOW-VOLTAGE POWER AMPLIFIER Supply voltage down to 1,8 V Low crossover distortion Low quies...
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GMA2822M
GMA2822M

Overview
PRELIMINARY GMA2822M DUAL LOW-VOLTAGE POWER AMPLIFIER Supply voltage down to 1,8 V Low crossover distortion Low quiescent current Bridge or stereo configuration PIN CONNECTIONS OUTPUT (1) VS 1 2 3 8 INPUT -(1) 7 INPUT +(1) 6 INPUT +(2) 5 INPUT -(2) www.
DataSheet4U.
com The GMA2822M is a monolithic integrated circuit of analog low - voltage power amplifier.
It is intended for use as mono (bridge)/stereo audio power amplifier in portable cassette players and radios.
OUTPUT (2) GND 4 DIP-8, SOP-8 (TOP VIEW) PIN FUNCTIONS DESCRIPTION PIN 1 2 3 4 5 6 7 8 INPUT INPUT INPUT INPUT OUTPUT I/O OUTPUT NAME OUTPUT (1) SUPPLY VOLTAGE OUTPUT (2) GROUND INPUT -(2) INPUT +(2) INPUT -(1) INPUT +(1) ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Peak Output Current Total Power Dissipation at TA=50°C otal Power Dissipation at TEASE=50°C Storage Temperature Junction Temperature SYMBOL VS IO PLOT PLOT TSTG TJ VALUE 15 1 1 1.
4 -40 +150 UNIT V A W W °C °C Revision 1, May 2002 1 www.
gammamicro.
com PRELIMINARY GMA2822M DUAL LOW-VOLTAGE POWER AMPLIFIER ELECTRICAL CHARACTERISTICS (VS=6V, TA=25°C, unless otherwise specified ) CHARACTERISTICS S TE R E O SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Supply Voltage Quiscent Output Voltage Quiscent Drain Current Input Bias Current VS VO ID IB V S = 3V RL=32Ω , V S = 9V V S = 6V VS = 4.
5V V S = 3V V S = 2V V S = 6V V S = 9V V S = 6V V S = 6V VS = 4.
5V V S = 3V 1.
8 2.
7 1.
2 6 100 90 15 170 300 450 300 120 60 20 5 220 1000 380 650 320 110 0.
2 0.
2 0.
2 36 39 15 V V 9 mA nA www.
DataSheet4U.
com Output Power (each channel) f=1kHz, d=10% PO RL=16Ω , RL=8Ω , RL=4Ω , mW Distortion (f=1kHz) Closed Loop Voltage Gain Channel Balance Input Resistance Total Input Noise Supply Voltage Rejection Channel Separation BRI DGE Supply Voltage Quiscent Drain Current Output Offset Voltage (between the outputs) Input Bias Current d GV ∆GV RI RL=32Ω , PO = 40mW RL=16Ω , PO = 75mW RL=8Ω , PO = 150mW f=1kHz f=1kHz RS=10kΩ , B = Curve A B = ...


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