G1431, G1432Q5U, G143A Selling Leads, Datasheet
MFG:GMT Package Cooled:TSOP D/C:04+
G1431, G1432Q5U, G143A
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Info of G1431
Info of G1432Q5U
Info of G143A
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About G1401
PDF/DataSheet Download
Datasheet: G1401
File Size: 216279 KB
Manufacturer: GMT [Global Mixed-mode Technology Inc]
Download : Click here to Download
About G1401
PDF/DataSheet Download
Datasheet: G1401
File Size: 216279 KB
Manufacturer: GMT [Global Mixed-mode Technology Inc]
Download : Click here to Download
About G1401
PDF/DataSheet Download
Datasheet: G1401
File Size: 216279 KB
Manufacturer: GMT [Global Mixed-mode Technology Inc]
Download : Click here to Download
G1431 General Description
G1431 is a stereo audio power amplifier in 20pin TSSOP thermal pad package. It can drive 2.0W continuous RMS power into 4 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 and to enlarge the driving power, G1431 supports the Bridge-Tied Load (BTL) mode for driving the speakers. For the low current consumption applications, the SHDN mode is supported to disable G1431 when it is idle. The current consumption can be reduced to 150A (typically).
Amplifier gain is internally configured and controlled by two terminals (GAIN0, GAIN1). BTL gain settings of 6dB, 10dB, 15.6dB, 21.6dB are provided.
G1431 Maximum Ratings
Supply Voltage, VCC..................... 6V
Operating Ambient Temperature Range
TA...................-40 to +85
Maximum Junction Temperature, TJ......... 150
Storage Temperature Range, TSTG...-65 to+150
Reflow Temperature (soldering, 10sec).............260
Power Dissipation (1)
TA 25 ....................2.7W
TA 70 ....................1.7W
Electrostatic Discharge, VESD
Human body mode........... 3000V(2)
Note:
(1) : Recommended PCB Layout
(2) : Human body model : C = 100pF, R = 1500, 3 positive pulses plus 3 negative pulses
Operating Ambient Temperature Range
TA...................-40 to +85
Maximum Junction Temperature, TJ......... 150
Storage Temperature Range, TSTG...-65 to+150
Reflow Temperature (soldering, 10sec).............260
Power Dissipation (1)
TA 25 ....................2.7W
TA 70 ....................1.7W
Electrostatic Discharge, VESD
Human body mode........... 3000V(2)
Note:
(1) : Recommended PCB Layout
(2) : Human body model : C = 100pF, R = 1500, 3 positive pulses plus 3 negative pulses
G1431 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 4 Load
--1.2W/CH (typical) into a 8 Load
` Bridge-Tied Load (BTL) Supported
` Fully differential Input
` Shutdown Control Available
` Surface-Mount Power Package 20-Pin TSSOP-P
` Depop Circuitry Integrated
` Output Power at 1% THD+N, VDD=5V
--2.0W/CH (typical) into a 4 Load
--1.2W/CH (typical) into a 8 Load
` Bridge-Tied Load (BTL) Supported
` Fully differential Input
` Shutdown Control Available
` Surface-Mount Power Package 20-Pin TSSOP-P
G1431 Typical Application
· Stereo Power Amplifiers for Notebooks or Desktop Computers
· Multimedia Monitors
· Stereo Power Amplifiers for Portable Audio Systems
· Multimedia Monitors
· Stereo Power Amplifiers for Portable Audio Systems
G1431 Connection Diagram
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