TDA8943

更新时间： 2024-11-09 22:53:07

品牌	Logo	应用领域
恩智浦 - NXP		音频放大器
页数	文件大小	规格书
20页	346K
描述
6 W mono Bridge Tied Load BTL audio amplifier

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TDA8943 数据手册

TDA8943SF

6 W mono Bridge Tied Load (BTL) audio ampliﬁer

Rev. 02 — 7 April 2000

Product speciﬁcation

1. General description

The TDA8943SF is a single-channel audio power ampliﬁer with an output power of

6 W at an 8 Ω load and a 12 V supply. The circuit contains a Bridge Tied Load (BTL)

ampliﬁer with an all-NPN output stage and standby/mute logic. The TDA8943SF

comes in a 9-lead single in-line (SIL) medium power package. The TDA8943SF 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

V_CC

I_q

supply voltage

quiescent supply current V_CC= 12 V; R_L= ∞

µA

I_stb

standby supply current

12 3 4 5 6 7...20

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