G1422F2U, G1427, G1428F31U Selling Leads, Datasheet
MFG:GMT Package Cooled:SOP D/C:09+
G1422F2U, G1427, G1428F31U Datasheet download
Part Number: G1422F2U
MFG: GMT
Package Cooled: SOP
D/C: 09+
G1422F2U, G1427, G1428F31U
- Table of contents:
Info of G1422F2U
Info of G1427
Info of G1428F31U
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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 G1428F31U
PDF/DataSheet Download
Datasheet: G1428F31U
File Size: 346878 KB
Manufacturer: GMT [Global Mixed-mode Technology Inc]
Download : Click here to Download
G1427 General Description
G1427 is a stereo audio power amplifier in 24pin 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, G1427 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 SHDN mode is supported to disable G1427 when it is idle. The current consumption can be reduced to 160A (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, while SE gain is always configured as 4.1dB (inverting) for headphone driving. G1427 also supports two input paths, that means two different amplitude AC signals can be applied and chosen by setting HP/LINE pin. It enhances the hardware designing flexibility.
G1427 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................3000(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................3000(2)
Note:
(1) : Recommended PCB Layout
(2) : Human body model : C = 100pF, R = 1500, 3 positive pulses plus 3 negative pulses
G1427 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), Single-Ended (SE)
` Stereo Input MUX
` PC-Beep Input
` Fully differential Input
` Shutdown Control Available
` Surface-Mount Power Package 24-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), Single-Ended (SE)
` Stereo Input MUX
` PC-Beep Input
` Fully differential Input
` Shutdown Control Available
` Surface-Mount Power Package 24-Pin TSSOP-P
G1427 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
G1427 Connection Diagram
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