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TDA8946 데이터시트(PDF) 1 Page - NXP Semiconductors

부품명 TDA8946
상세설명  2 x 15 W stereo Bridge Tied Load BTL audio amplifier
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제조업체  PHILIPS [NXP Semiconductors]
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TDA8946J
2 x 15 W stereo Bridge Tied Load (BTL) audio amplifier
Rev. 02 — 14 March 2000
Product specification
c
c
1.
General description
The TDA8946J is a dual-channel audio power amplifier with an output power of
2
× 15 Watan8 Ω load and a 18 V supply. The circuit contains two Bridge Tied Load
(BTL) amplifiers with an all-NPN output stage and standby/mute logic. The TDA8946J
comes in a 17-pin DIL-bent-SIL (DBS) power package. The TDA8946J 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 Few external components
s Fixed gain
s Standby and mute mode
s No on/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 Printed-circuit board compatible.
3.
Applications
s Mains fed applications (e.g. TV sound)
s PC audio
s Portable audio.
4.
Quick reference data
Table 1:
Quick reference data
Symbol Parameter
Conditions
Min
Typ
Max
Unit
VCC
supply voltage
6
18
25
V
Iq
quiescent supply current
VCC =18V; RL = ∞
-
2842mA
Istb
standby supply current
-
-
10
µA


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