Datasheet > FDA903D

FDA903D

更新时间： 2024-11-28 14:57:35

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		通信放大器功率放大器
页数	文件大小	规格书
82页	1394K
描述
1 x 45 W D类数字输入汽车级功率放大器，具有负载电流监测和宽工作电压范围，用于汽车音频和通信应用，裸露底部焊盘

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数据手册

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FDA903D 数据手册

FDA903D

1 x 45 W class D digital input automotive power amplifier with I

current

Load

monitoring, wide voltage operation range for car audio and telematic

Datasheet - production data

 2 Ω loads driving

 Power limiting function (configurable through

I C)

 I C bus diagnostics:

– Short to V /GND

– Short load and open load detection (also in

play mode)

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– Four thermal warnings

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 DC offset detector (also in play) and 'hot spot'

detection

Features

 Clipping detector

 AEC-Q100 qualified

 Integrated thermal protection

 Integrated 108 dB D/A conversion

 Legacy mode ('no I C' mode), 4 configurable

settings

 I S and TDM digital input (4/8/16CH TDM)

 Short circuit and ESD integrated protections

 Package: PowerSSO-36 exposed pad down

 Input sampling frequency: 44.1 kHz, 48 kHz,

96 kHz, 192 kHz

 Full I C bus driving (3.3/1.8 V)

Table 1. Device summary

 CISPR 25 - Class V (Fourth edition)

 Very low quiescent current

Order code

Package

Packing

FDA903D-EHT

FDA903D-EHX

Tape & reel

Tube

PowerSSO-36

 Output lowpass filter included in the feedback

(exposed pad down)

allowing outstanding audio performances

 Wide operating supply range from 3.3 to 18 V,

suitable for car radio, telematics and e-call

 MOSFET power outputs allowing high output

power capability

– 1 x 25 W /4 Ω @ 14.4 V, 1 kHz THD = 1%

– 1 x 30 W /4 Ω @ 14.4 V, 1 kHz THD = 10%

May 2018

DocID031502 Rev 2

1/82

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...82

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