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TFA9843J

Features: ·SE: 1 W to 20 W; BTL: 4 W to 40 W operation possibility·Soft clipping·Standby and mute mode·No on/off switching plops·Low standby current·High supply voltage ripple rejection·Outputs short-circuit protected to ground, supply and across the load·Thermally protected·Pin compatible with th...

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SeekIC No. : 004517966 Detail

TFA9843J: Features: ·SE: 1 W to 20 W; BTL: 4 W to 40 W operation possibility·Soft clipping·Standby and mute mode·No on/off switching plops·Low standby current·High supply voltage ripple rejection·Outputs shor...

TFA9843J Data Sheet

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Part Number:
TFA9843J
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: 2025/1/12

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Product Details

Description



Features:

·SE: 1 W to 20 W; BTL: 4 W to 40 W operation possibility
·Soft clipping
·Standby and mute mode
·No on/off switching plops
·Low standby current
·High supply voltage ripple rejection
·Outputs short-circuit protected to ground, supply and across the load
·Thermally protected
·Pin compatible with the TFA9842J and TFA9841J.


Application

·Television
·PC speakers
·Boom box
·Mini and micro audio receivers.


Pinout

Connection Diagram


Specifications

Symbol Parameter Conditions Min Max Unit
VCC supply voltage operating -0.3 +26 V
no signal -0.3 +28 V
VI input voltage   -0.3 VCC + 0.3 V
IORM repetitive peak output current   - 4 A
Tstg storage temperature non-operating -55 +150 °C
Tamb ambient temperature operating -40 +85 °C
Ptot total power dissipation   - 35 W
VCC(sc) supply voltage to guarantee short-circuit
protection		   - 24 V



Description

The TFA9843J contains two identical audio power amplifiers. The TFA9843J can be used as two Single-Ended (SE) channels with a fixed gain of 26 dB or one Bridge-Tied Load (BTL) channel with a fixed gain of 32 dB.

The TFA9843J comes in a 9-pin DIL-bent-SIL (DBS7P) power package. The TFA9843J is pin compatible with the TFA9842J and TFA9841J.

The TFA9843J contains a unique protection circuit that is solely based on multiple temperature measurements inside the chip. This gives maximum output power for all supply voltages and load conditions with no unnecessary audio holes. Almost any supply voltage and load impedance combination can be made as long as thermal boundary conditions (number of channels used, external heatsink and ambient temperature) allow it.




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