Dual Low-voltage Power Amplifier
PRELIMINARY
GMA2822M
DUAL LOW-VOLTAGE POWER AMPLIFIER
Supply voltage down to 1,8 V Low crossover distortion Low quies...
Description
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)
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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
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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...
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