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TDA8944J Datasheet

  • TDA8944J

  • 2 x 7 W stereo Bridge Tied Load BTL audio amplifier

  • 21頁

  • PHILIPS

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TDA8944J
2 x 7 W stereo Bridge Tied Load (BTL) audio ampli鏗乪r
Rev. 02 鈥?14 February 2000
Product speci鏗乧ation
1. General description
The TDA8944J is a dual-channel audio power ampli鏗乪r with an output power of
2
脳
7 W at an 8
鈩?/div>
load and a 12 V supply. The circuit contains two Bridge Tied Load
(BTL) ampli鏗乪rs with an all-NPN output stage and standby/mute logic. The TDA8944J
comes in a 17-pin DIL-bent-SIL (DBS) power package. The TDA8944J is
printed-circuit board (PCB) compatible with all other types in the TDA894x family.
One PCB footprint accommodates both the mono and the stereo products.
2. Features
s
s
s
s
s
s
s
s
s
Few external components
Fixed gain
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
Printed-circuit board compatible.
c
c
3. Applications
s
Mains fed applications (e.g. TV sound)
s
PC audio
s
Portable audio.
4. Quick reference data
Table 1:
V
CC
I
q
I
stb
Quick reference data
Conditions
V
CC
= 12 V; R
L
=
鈭?/div>
Min
6
-
-
Typ
12
24
-
Max
18
36
10
Unit
V
mA
碌A
supply voltage
quiescent supply current
standby supply current
Symbol Parameter

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