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TFA9842BJ

NXP
Part Number TFA9842BJ
Manufacturer NXP
Description 2-channel Audio Amplifier (SE: 1 W to 7.5 W)
Published Jun 23, 2010
Detailed Description www.DataSheet4U.com TFA9842BJ 2-channel audio amplifier (SE: 1 W to 7.5 W) Rev. 01 — 1 March 2004 Preliminary data sheet...
Datasheet PDF File TFA9842BJ PDF File

TFA9842BJ
TFA9842BJ

Overview
www.
DataSheet4U.
com TFA9842BJ 2-channel audio amplifier (SE: 1 W to 7.
5 W) Rev.
01 — 1 March 2004 Preliminary data sheet 1.
General description The TFA9842BJ contains two identical audio power amplifiers.
The TFA9842BJ can be used as two Single-Ended (SE) channels with a fixed gain of 26 dB.
The TFA9842BJ comes in a 9-pin DIL-bent-SIL (DBS9P) power package.
The TFA9842BJ is pin compatible with the TFA9841J, TFA9842J, TFA9843J and the TFA9843BJ.
The TFA9842BJ 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 7.
5 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, TFA9843J and the TFA9843BJ.
3.
Applications s s s s s Televisions Monitors PC speakers Boom boxes Mini and micro audio receivers.
www.
DataSheet4U.
com Philips Semiconductors TFA9842BJ 2-channel auto amplifier (2 × SE) 4.
Quick reference data Table 1: Symbol VCC Iq Istb Po Quick reference data Parameter supply voltage quiescent supply current standby supply current output power THD = 10 %; RL = 4 Ω; VCC = 17 V Po = 1 W fripple = 1 kHz Conditions operating no signal VCC = 17 V; RL = ∞ Ω Min 9 7 Typ 17 60 7.
5 Max 26 28 100 10 Unit V V mA µA W THD Gv SVRR total harmonic distortion voltage gain supply voltage ripple rejection 25 - 0.
1 26 60 0.
5 27 - % dB dB 5.
Ordering information Table 2: Ordering information Package Name TFA9842BJ DBS9P Description plastic DIL-bent-SIL power package; 9 lead...


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