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G1438 Datasheet

Part Number G1438
Manufacturers Global Mixed-mode Technology
Logo Global Mixed-mode Technology
Description 2W Stereo Audio Amplifier
Datasheet G1438 DatasheetG1438 Datasheet (PDF)

Global Mixed-mode Technology Inc. G1438 2W Stereo Audio Amplifier with DC Volume Control and Selectable Gain Features „ 0dB ~-78dB Internal DC Volume Gain Setting Embedded „ Depop Circuitry Integrated „ Output Power at 1% THD+N, VDD=5V --2.0W/CH (typical) into a 4Ω Load --1.2W/CH (typical) into a 8Ω Load „ Bridge-Tied Load (BTL), Single-Ended (SE) „ PC-Beep Input „ Selectable Internal/External Gain Setting „ Shutdown Control Available „ Thermal Shutdown Protection „ Surface-Mount Power Packa.

  G1438   G1438






Part Number G1432
Manufacturers Global Mixed-mode Technology
Logo Global Mixed-mode Technology
Description 2W Stereo Audio Amplifier
Datasheet G1438 DatasheetG1432 Datasheet (PDF)

Global Mixed-mode Technology Inc. G1432 2W Stereo Audio Amplifier Features 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 „ Maximum Output Power Clamping Circuitry Integrated „ Bridge-Tied Load (BTL) „ Stereo Input MUX „ Mute and Shutdown Control Available www.DataSheet4U.com „ Surface-Mount Power Package 24-Pin TSSOP-P & 24-Pin QFN Available „ General Description The G1432 is a stereo audio power amplifier i.

  G1438   G1438







Part Number G1431
Manufacturers Global Mixed-mode Technology
Logo Global Mixed-mode Technology
Description 2W Stereo Audio Amplifier
Datasheet G1438 DatasheetG1431 Datasheet (PDF)

Global Mixed-mode Technology Inc. G1431 2W Stereo Audio Amplifier Features Internal Gain Control, Which Eliminates External Gain-Setting Resistors „ Depop Circuitry Integrated „ Output Power at 1% THD+N, VDD=5V --2.0W/CH (typical) into a 4Ω Load --1.2W/CH (typical) into a 8Ω Load „ Bridge-Tied Load (BTL) Supported „ Fully differential Input „ Shutdown Control Available www.DataSheet4U.com „ Surface-Mount Power Package 20-Pin TSSOP-P & 20-Pin TQFN 4X4 „ General Description G1431 is a stereo au.

  G1438   G1438







Part Number G1430
Manufacturers Global Mixed-mode Technology
Logo Global Mixed-mode Technology
Description 2W Stereo Audio Amplifier
Datasheet G1438 DatasheetG1430 Datasheet (PDF)

Global Mixed-mode Technology Inc. G1430 2W Stereo Audio Amplifier Features „Depop Circuitry Integrated „Output Power at 1% THD+N, VDD=5V General Description G1430 is a stereo audio power amplifier in 16pin Dual Inline 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, G1430 supports the Bri.

  G1438   G1438







2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc. G1438 2W Stereo Audio Amplifier with DC Volume Control and Selectable Gain Features „ 0dB ~-78dB Internal DC Volume Gain Setting Embedded „ Depop Circuitry Integrated „ Output Power at 1% THD+N, VDD=5V --2.0W/CH (typical) into a 4Ω Load --1.2W/CH (typical) into a 8Ω Load „ Bridge-Tied Load (BTL), Single-Ended (SE) „ PC-Beep Input „ Selectable Internal/External Gain Setting „ Shutdown Control Available „ Thermal Shutdown Protection „ Surface-Mount Power Package 28-Pin TSSOP-P / 28pin TQFN Available Applications „ Stereo Power Amplifiers for Notebooks or Desktop Computers „ Multimedia Monitors „ Stereo Power Amplifiers for Portable Audio Systems Ordering Information ORDER NUMBER G1438F4U G1438R6U Note: F4: TSSOP-28 (FD) U: Tape & Reel MARKING G1438 1438 R6 : TQFN5X5-28 Pin Configuration General Description The G1438 is a stereo audio power amplifier in both 28pin TSSOP and TQFN thermal pad package. It can deliver 2.0W 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, G1438 supports the Bridge-Tied Load (BTL) mode for driving the speakers, Single-End (SE) mode for driving the headphone. For the low current consumption applications, the Shutdown mode is supported to disable the G1438 when it is idle. The current consumption can be reduced below 2µA. The internal.


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