TDA8947J/N3 NXP Semiconductors, TDA8947J/N3 Datasheet
TDA8947J/N3
Manufacturer Part Number
TDA8947J/N3
Description
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8947JN3.pdf
(24 pages)
Specifications of TDA8947J/N3
Date_code
11+
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TDA8947J/N3
Manufacturer:
NXP/恩智浦
Quantity:
20 000
1. General description
2. Features
3. Applications
The TDA8947J contains four identical audio power amplifiers. The TDA8947J can be
used as: four Single-Ended (SE) channels with a fixed gain of 26 dB, two times
Bridge-Tied Load (BTL) channels with a fixed gain of 32 dB or two times SE channels
(26 dB gain) plus one BTL channel (32 dB gain) operating as a 2.1 system.
The TDA8947J comes in a 17-pin Dil-Bent-Sil (DBS) power package. The TDA8947J
is pin compatible with the TDA8944AJ and TDA8946AJ.
The TDA8947J 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.
TDA8947J
4-channel audio amplifier (SE: 1 W to 25 W; BTL: 4 W to 50 W)
Rev. 01 — 06 February 2004
SE: 1 W to 25 W, BTL: 4 W to 50 W operation possibility (2.1 system)
Soft clipping
Standby and mute mode
No on/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 TDA8944AJ and TDA8946AJ.
Television
PC speakers
Boom box
Mini and micro audio receivers.
Preliminary data
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