QFN32 (exposed pad down)

Features

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AEC-Q100 qualified

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Integrated 100 dB D/A conversion

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Selectable input sample rate frequency (8/16/32/44.1/48/96)

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Wide supply operating range: 3.3 V - 18 V

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352.8 kHz, 384kHz, 411.6 kHz, 448 kHz

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MOSFET power outputs

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Typ 10 W 4 Ω @ 14.4 V, 1 kHz THD = 1 %

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Typ 5 W 8 Ω @ 14.4 V, 1 kHz THD = 1 %

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Noise: 80 μV A-weighted: 20 kHz

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8 Ω, 4 Ω driving capability

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Startup diagnostic

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4 x Thermal warning

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DC diagnostic

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OCP protection scheme configurable

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Mute time configuration

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Capability to run complete diagnostic in play

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Configurable Clipping Detector

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One of the Thermal Warnings

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Over Current Protection

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Open Load detection

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High voltage mute

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2 CD/Diag pin

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Integrated ESD and short circuit protection

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QFN32 wettable flanks

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Tested according to CISPR 25 - Class V (Fourth edition)

Description

The FDA803S is the new ST single channel class-D audio amplifier, specifically

designed for automotive applications. The FDA803S integrates a 24-bit, 100 dB

DAC conversion and PWM class-D output stage with feedback before LC filter. This

configuration enables the design of a compact and inexpensive application.

Product status link

FDA803S

Product summary

Order code

FDA803S-6DY

Package

QFN32 (exp. pad down)

Packing

Tray

1x10 W digital input class-D automotive audio amplifier with advanced

diagnostics, wide voltage operating range for telematics and e-Call application

FDA803S

Data brief

DB4683 - Rev 2 - June 2022

For further information contact your local STMicroelectronics sales office.

www.st.com