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Details, datasheet, quote on part number:GMA2822M
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| Part: | GMA2822M |
| Category: | Analog & Mixed-Signal Processing => Amplifiers => Operational Amplifiers |
| Description: | Dual Low-voltage Power Amplifier |
| Company: | Gamma Microelectronics |
| Datasheet: | Download GMA2822M datasheet File size : 96 kB |
| Request For quote: | Find where to buy GMA2822M
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Datasheet text preview:
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)
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=32 , 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
Output Power (each channel) f=1kHz, d=10%
PO
RL=16 , RL=8 , RL=4 ,
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=32 , PO = 40mW RL=16 , PO = 75mW RL=8 , PO = 150mW f=1kHz f=1kHz RS=10k , B = Curve A B = 22Hz to 22kHz 24 100
% 41 ±1 dB dB k
N
SVR CS VS ID VOS IB
2 2.5 30 50
µV dB dB
f=100Hz, C1=C2=100 µF f=1kHz
RL= RL=8 RL=32 , V S = 9V V S = 6V VS = 4.5V V S = 3V V S = 2V V S = 9V V S = 6V V S = 3V V S = 6V VS = 4.5V V S = 3V VS = 4.5V V S = 3V V S = 2V
1.8 6
15 9 ± 50 100
V mA mV nA
320 50
Output Power (each channel) f=1kHz, d=10%
RL=16 , PO RL=8 , RL=4 ,
900
200
1000 400 200 65 8 2000 800 120 1350 700 220 1000 350 80 0.2 39
mW
Distortion Closed Loop Voltage Gain Input Resistance Total Input Noise Supply Voltage Rejection Power Bandwith (-3dB)
d GV RI
RL=32 , PO = 0.5W, f=1kHz f=1kHz f=1kHz RS=10k , B = Curve A B = 22Hz to 22kHz 100
% dB k
N
SVR B
2.5 3 40 120
µV dB kHz
f=100Hz RL=8 , PO = 1W
Revision 1, May 2002
2
www.gammamicro.com
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