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MFG:IC Package Cooled:SOP
Part Number: G1428
MFG: IC
Package Cooled: SOP
Description: G1428 is a stereo audio power amplifier in 24pin TSSOP thermal pad package. It can drive 2.0W continuo...
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G1428
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DataSheet
General Description
G1428 General Description
G1428 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, G1428 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 G1428 when it is idle. The current consumption can be reduced to 160µA (typically).
Amplifier gain is internally configured and controlled by two terminals (GAIN0, GAIN1). BTL gain settings of 2, 6, 12, 24V/V are provided, while SE gain is always configured as 1V/V for headphone driving. G1428 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.
G1428 Maximum Ratings
Supply Voltage, VCC...................................................6V
Operating Ambient Temperature Range
TA..........................................................-40°C to +85°C
Maximum Junction Temperature, TJ......................150°C
Storage Temperature Range, TSTG......-65°C to+150°C
Reflow Temperature (soldering, 10sec)...............260°C
Power Dissipation (1)
TA 25°C .......................................................2.7W
TA 70°C........................................................1.7W
Electrostatic Discharge, VESD
Human body mode............................................3000(2)
Operating Ambient Temperature Range
TA..........................................................-40°C to +85°C
Maximum Junction Temperature, TJ......................150°C
Storage Temperature Range, TSTG......-65°C to+150°C
Reflow Temperature (soldering, 10sec)...............260°C
Power Dissipation (1)
TA 25°C .......................................................2.7W
TA 70°C........................................................1.7W
Electrostatic Discharge, VESD
Human body mode............................................3000(2)
G1428 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
G1428 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
G1428 Connection Diagram
G1428
PDF/DataSheet Download
- Datasheet: G1428
- File Size: 346878 KB
- Manufacturer: GMT [Global Mixed-mode Technology Inc]
- Click here to Download
- ·G1401
- GMT [Global Mixed-mode Technology Inc]
- Stereo Headphone Power Amplifier
- 216279 KB
- ·G1401P1
- GMT [Global Mixed-mode Technology Inc]
- Stereo Headphone Power Amplifier
- 216279 KB
- ·G1428F31U
- GMT [Global Mixed-mode Technology Inc]
- 2W Stereo Audio Amplifier
- 346878 KB
- ·G1428F31UF
- GMT [Global Mixed-mode Technology Inc]
- 2W Stereo Audio Amplifier
- 346878 KB
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