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TFA9843BJ

Features: ·1 W to 20 W operation possibility·Soft clipping·Standby and mute mode·No on or 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 TFA9841J, TFA9842...

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SeekIC No. : 004517965 Detail

TFA9843BJ: Features: ·1 W to 20 W operation possibility·Soft clipping·Standby and mute mode·No on or off switching plops·Low standby current·High supply voltage ripple rejection·Outputs short-circuit protected...

TFA9843BJ Data Sheet

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Part Number:
TFA9843BJ
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:

·1 W to 20 W operation possibility
·Soft clipping
·Standby and mute mode
·No on or 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 TFA9841J, TFA9842J, TFA9842BJ and the TFA9843J.


Application

·Televisions
· Monitors
·PC speakers
·Boom boxes
·Mini and micro audio receivers.


Pinout

Connection Diagram


Specifications

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



Description

The TFA9843BJ contains two identical audio power amplifiers. The TFA9843BJ can be used as two Single-Ended (SE) channels with a fixed gain of 26 dB.

The TFA9843BJ comes in a 9-pin DIL-bent-SIL (DBS9P) power package. The TFA9843BJ is pin compatible with the TFA9841J, TFA9842J, TFA9842BJ and the TFA9843J.

The TFA9843BJ 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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