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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􀂄`...

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SeekIC No. : 004346117 Detail

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) in...

G1431 Data Sheet

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Part Number:
G1431
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/9/26

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Product Details

Description



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


Application

􀂄· Stereo Power Amplifiers for Notebooks or Desktop Computers
􀂄· Multimedia Monitors
􀂄· Stereo Power Amplifiers for Portable Audio Systems


Pinout

Connection Diagram


Specifications

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


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 G1431 gain is internally configured and controlled by two terminals (GAIN0, GAIN1). BTL gain settings of 6dB, 10dB, 15.6dB, 21.6dB are provided.




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