2W Stereo Audio Amplifier
Global Mixed-mode Technology Inc.
G1422
2W Stereo Audio Amplifier
Features
General Description
The G1422 is a ste...
Description
Global Mixed-mode Technology Inc.
G1422
2W Stereo Audio Amplifier
Features
General Description
The G1422 is a stereo audio power amplifier in 20pin TSSOP thermal pad package. It can drive 2W continuous RMS power into 4Ω load per channel in Bridge-Tied Load (BTL) mode at 5V supply voltage. Its THD is smaller than 1% under the above operation condition. To simplify the audio system design in the notebook application, the G1422 supports the BridgeTied Load (BTL) mode for driving the speakers, Single-End (SE) mode for driving the headphone. For the low current consumption applications, the SHDN mode is supported to disable the G1422 when it is idle. The current consumption can be further reduced to below 2µA.
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Depop Circuitry Integrated Output Power at 1% THD+N, VDD=5V --2W/CH (typical) into a 4Ω Load --1.2W/CH (typical) into a 8Ω Load Bridge-Tied Load (BTL), Single-Ended (SE) Shutdown Control Available Thermal protection Surface-Mount Power Package 20-Pin TSSOP-P
Applications
Stereo Power Amplifiers for Notebooks or Desktop Computers Multimedia Monitors Stereo Power Amplifiers for Portable Audio Systems
Ordering Information
ORDER NUMBER
G1422F2U Note:F2: TSSOP-20 (FD) U: Tape & Reel
ORDER NUMBER (Pb free)
G1422F2Uf
MARKING
G1422
TEMP. RANGE
-40°C to +85°C
PACKAGE
TSSOP-20 (FD)
Pin Configuration
G1422
SHUTDOWN GND/HS +OUTA VDD -OUTA -INA GND/HS +INA GND/HS 1 2 3 4 5 6 7 8 9 19 18 17 16 15 14 13 12 20 HP-IN GND/HS +OUTB VDD -OUTB...
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