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TFA9843BJ

Philips
Part Number TFA9843BJ
Manufacturer Philips
Description 2-channel audio amplifier
Published May 5, 2014
Detailed Description TFA9843BJ 2-channel audio amplifier (SE: 1 W to 20 W) Rev. 01 — 4 May 2004 Preliminary data sheet 1. General description...
Datasheet PDF File TFA9843BJ PDF File

TFA9843BJ
TFA9843BJ

Overview
TFA9843BJ 2-channel audio amplifier (SE: 1 W to 20 W) Rev.
01 — 4 May 2004 Preliminary data sheet 1.
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.
2.
Features s s s s s s s s s 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.
3.
Applications s s s s s Televisions Monitors PC speakers Boom boxes Mini and micro audio receivers.
http://www.
Datasheet4U.
com Philips Semiconductors TFA9843BJ 2-channel audio amplifier (2 × SE) 4.
Quick reference data Table 1: VCC Iq Istb Po Quick reference data Conditions operating no signal quiescent supply current VCC = 18 V; RL = ∞ Ω standby supply current output power THD = 10 %; RL = 4 Ω VCC = 18 V VCC = 22 V THD Gv SVRR total harmonic distortion Po = 1 W voltage gain supply voltage ripple rejection fripple = 1 kHz 7 25 8.
5 14 0.
1 26 60 0.
5 27 W W % dB dB Min 9 Typ 18 60 Max 26 28 100 10 Unit V V mA µA supply voltage Symbol Parameter 5.
Ordering information Table 2: Ordering information Package Name TFA9843BJ DBS9P Description plastic DIL-bent-SIL power package; 9 leads (lead leng...


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