Philips TFA9843AJ Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para não Philips TFA9843AJ. Philips TFA9843AJ User's Manual Manual do Utilizador

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1. General description
The TFA9843AJ contains two identical audio power amplifiers. The TFA9843AJ can be
used as two Single-Ended (SE) channels with a volume control. The maximum gain is
26 dB.
The TFA9843AJ comes in a 9-pin DIL-bent-SIL (DBS9P) power package. The TFA9843AJ
is pin compatible with the TFA9842AJ, TFA9843(B)J, TFA9842(B)J and TFA9841J. The
difference between the TFA9843AJ and the TFA9843(B)J, TFA9842(B)J, TFA9841J is the
functionality of pin 7. The TFA9843AJ has a volume control on pin 7 (VC). The
TFA9843(B)J, TFA9842(B)J and TFA9841J have a mode select on pin 7 (MODE).
The TFA9843AJ 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
n 2 channel SE: 1 W to 20 W operation possibility
n Soft clipping
n Input clamps
n Volume control
n Standby and Mute mode
n No on or off switching plops
n Low standby current
n High supply voltage ripple rejection
n Outputs short-circuit protected to ground, supply and across the load
n Thermally protected
n Pin compatible with the TFA9842AJ, TFA9843(B)J, TFA9842(B)J, TFA9841J
3. Applications
n CRT TV and LCD TV
n Monitors
n PC speakers
n Boom box
n Mini and micro audio receivers
TFA9843AJ
20 W stereo power amplifier with volume control
Rev. 01 — 28 April 2006 Preliminary data sheet
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1. General descriptionThe TFA9843AJ contains two identical audio power amplifiers. The TFA9843AJ can beused as two Single-Ended (SE) channels with a vo

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TFA9843AJ_1 © Koninklijke Philips Electronics N.V. 2006. All rights reserved.Preliminary data sheet Rev. 01 — 28 April 2006 10 of 19Philips Semiconduc

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Philips SemiconductorsTFA9843AJ20 W stereo power amplifier with volume control© Koninklijke Philips Electronics N.V. 2006. All rights reserved.For more

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TFA9843AJ_1 © Koninklijke Philips Electronics N.V. 2006. All rights reserved.Preliminary data sheet Rev. 01 — 28 April 2006 9 of 19Philips Semiconduct

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