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TFA9843, TFA9843AJ/N1112, TFA9843BJ

Table of contents:
Info of TFA9843
Info of TFA9843AJ/N1112
Info of TFA9843BJ

TFA9843, TFA9843AJ/N1112, TFA9843BJ Selling Leads, Datasheet

MFG:PHI Package Cooled:D/S D/C:05+06+07+

TFA9843, TFA9843AJ/N1112, TFA9843BJ Picture

TFA9843, TFA9843AJ/N1112, TFA9843BJ Datasheet download

Five Points

Part Number: TFA9843

MFG: PHI

Package Cooled: D/S

D/C: 05+06+07+

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TFA9843BJ General 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.

TFA9843BJ Maximum Ratings

Symbol	Parameter	Conditions	Min	Max	Unit
V_CC	supply voltage	operating no signal	-0.3 -0.3	+26 +28	V V
V_I I_ORM	input voltage repetitive peak output current		-0.3 -	V_CC + 0.3 4	V A
T_stgT_amb P_totV_CC(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

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, TFA9842J, TFA9842BJ and the TFA9843J.

TFA9843BJ Typical Application

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

TFA9843BJ Connection Diagram

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