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TFA9843BJ 반도체 회로 부품 판매점

2-channel audio amplifier



Philips 로고
Philips
TFA9843BJ 데이터시트, 핀배열, 회로
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 1 W to 20 W operation possibility
s Soft clipping
s Standby and mute mode
s No on or off switching plops
s Low standby current
s High supply voltage ripple rejection
s Outputs short-circuit protected to ground, supply and across the load
s Thermally protected
s Pin compatible with the TFA9841J, TFA9842J, TFA9842BJ and the TFA9843J.
3. Applications
s Televisions
s Monitors
s PC speakers
s Boom boxes
s Mini and micro audio receivers.
http://www.Datasheet4U.com


TFA9843BJ 데이터시트, 핀배열, 회로
Philips Semiconductors
TFA9843BJ
2-channel audio amplifier (2 × SE)
4. Quick reference data
Table 1: Quick reference data
Symbol Parameter
Conditions
VCC supply voltage
operating
no signal
Iq
Istb
Po
THD
Gv
SVRR
quiescent supply current VCC = 18 V; RL = ∞ Ω
standby supply current
output power
THD = 10 %; RL = 4
VCC = 18 V
VCC = 22 V
total harmonic distortion Po = 1 W
voltage gain
supply voltage ripple
rejection
fripple = 1 kHz
Min Typ Max Unit
9 18 26 V
- - 28 V
- 60 100 mA
- - 10 µA
7 8.5 -
W
- 14 - W
- 0.1 0.5 %
25 26 27 dB
- 60 - dB
5. Ordering information
Table 2: Ordering information
Type number Package
Name
Description
TFA9843BJ DBS9P
plastic DIL-bent-SIL power package; 9 leads (lead
length 12/11 mm); exposed die pad
Version
SOT523 -1
9397 750 12846
Preliminary data sheet
Rev. 01 — 4 May 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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TFA9843BJ amplifier

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TFA9843BJ

2-channel audio amplifier - Philips