2W Stereo Audio Amplifier
Global Mixed-mode Technology Inc.
G1420
2W Stereo Audio Amplifier
Features
General Description
G1420 is a stereo ...
Description
Global Mixed-mode Technology Inc.
G1420
2W Stereo Audio Amplifier
Features
General Description
G1420 is a stereo audio power amplifier in 24pin TSSOP thermal pad package. It can drive 1.8W 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, G1420 supports the Bridge-Tied Load (BTL) mode for driving the speakers, Single-End (SE) mode for driving the headphone. G1420 can mute the output when Mute-In is activated. For the low current consumption applications, the SHDN mode is supported to disable G1420 when it is idle. The current consumption can be further reduced to below 5µA. G1420 also supports two input paths, that means two different gain loops can be set in the same PCB and choosing either one by setting HP/ LINE pin. It enhances the hardware designing flexibility.
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Depop Circuitry Integrated Output Power at 1% THD+N, VDD=5V --1.8W/CH (typical) into a 4Ω Load --1.2W/CH (typical) into a 8Ω Load Bridge-Tied Load (BTL), Single-Ended (SE) Stereo Input MUX Mute and Shutdown Control Available Surface-Mount Power Package 24-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
G1420F31U Note: F3: TSSOP-24 (FD) U: Tape & Reel
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