Datasheet > FDA2100LV

FDA2100LV

更新时间： 2024-09-17 14:57:51

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		放大器驱动功率放大器驱动器
页数	文件大小	规格书
9页	248K
描述
支持I2C诊断和设置驱动器的2x180 W / 1x300 W低压操作PWM数字输入功率放大器

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FDA2100LV 数据手册

FDA2100LV

2 x 180 W / 1 x 300 W PWM digital input power amplifier

with built-in diagnostics features and step-up driver

Data brief - production data

Description

The FDA2100LV is a new BCD technology dual

bridge class D amplifier, specially intended for car

*$*36ꢀꢁꢂꢃꢁ

radio applications.

TQFP64 (exposed pad up)

Thanks to the BCD6-SOI (Silicon On Insulation)

technology it is possible to integrate a high

performance D/A converter together with powerful

MOSFET output amplifier working in class D, to

get outstanding efficiency with respect to the

standard class AB.

Features

 Integrated 105 dB D/A conversion

 I S & TDM digital input (3.3/1.8 V)

 Input sampling frequency: 44.1kHz, 48 kHz,

The D/A conversion on board allows the

performance to reach an outstanding 110 dB S/N

ratio with 105 dB of dynamic range. The feedback

loop includes the output L-C low-pass filter,

allowing superior frequency response linearity

and lower distortion independently of the inductor

and capacitor quality.

96 kHz, 192 kHz

 Step-up driver included

 EMI control for FM/AM compatibility

 Dithering possibility



Capable to operate down to 6 V (e.g."start-stop")

 6 V - 35 V operating range (R = 8 Ω)

A full diagnostics array communicates the status

of each speaker through the I C bus. The

 Low component count output low-pass filter

 Output low-pass filter included in the feedback

 Low radiation function (LRF)

possibility to control the device by means of the

I C bus makes FDA2100LV very flexible.

 High output power capability

Thanks to the solutions implemented to solve the

EMI problems, the device can be used in the

standard single DIN car-radio box together with

the tuner.

– 2 x 80 W/4 Ω @ 25 V, 1 kHz, 10 % THD

– 2 x 120 W/4 Ω @ 30 V, 1 kHz, 10 % THD

– 1 x 150 W/2 Ω @ 25 V, 1 kHz, 10 % THD

 Full I C bus driving (3.3/1.8 V):

A built-in step-up driver allows up to 150 W output

power with the standard 14 V supply voltage.

– I C bus digital diagnostics (including DC

and AC load detection); AC and DC

loudspeaker diagnostic

The FDA2100LV is moreover compliant to the

most recent OEM specifications for low voltage

operation (so called 'start-stop' battery profile

during engine stop), helping car manufacturers to

reduce the overall emissions and thus

 Very flexible fault detection through integrated

diagnostic

 Protected against several kinds of

misconnections

contributing to environment protection.

 Offset detector (play or mute mode)

 Two independent short circuit protections

 Clipping detector

Table 1. Device summary

Order code

Package

Packing

 C-MOS compatible enable pin (3.3/5 V)

 ESD protection

FDA2100LV

Tray

TQFP64 (e.p.u.)

FDA2100LV-T

Tape & reel

 Package: TQFP64 exposed pad up

October 2013

DocID025342 Rev 1

1/9

This is information on a product in full production. For further information contact your local STMicroelectronics sales

office.

www.st.com

12 3 4 5 6 7...9

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