Philips TDA8946J Uživatelský manuál stáhnout pdf

TDA8946J

2 x 15 W stereo Bridge Tied Load (BTL) audio ampliﬁer

Rev. 02 — 14 March 2000 Product speciﬁcation

1. General description

The TDA8946J is a dual-channel audio power ampliﬁer with an output power of

2 × 15Watan8Ω 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

■ 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.

3. Applications

■ Mains fed applications (e.g. TV sound)

■ PC audio

■ Portable audio.

4. Quick reference data

Table 1: Quick reference data

Symbol Parameter Conditions Min Typ Max Unit

supply voltage 6 18 25 V

quiescent supply current V

=18V; R

= ∞ - 2842mA

stb

standby supply current - - 10 µA

1 2 3 4 5 6 ... 22 23

TDA8946J 1

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TDA8946J2 x 15 W stereo Bridge Tied Load (BTL) audio ampliﬁerRev. 02 — 14 March 2000 Product speciﬁcationcc1. General descriptionThe TDA8946J is a dua

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