LQFP64 (exposed pad up)

Features

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AEC-Q100 qualification on going

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Integrated 120 dB D/A conversion

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Selectable input sample rate frequency (44.1/48/96/192 kHz)

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Wide supply operating range: 4.5 V - 2518 V (5 V min at turn-on transition)

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PWM 2 MHz switching PWM:

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Reduced size and cost of output LC

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High Resolution Bandwidth support:

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4 Ω, 2 Ω, 1 Ω driving with output channels parallelization

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MOSFET power outputs allowing high output power capability:

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

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

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Typ 4 x 50 W/2 Ω @ 14.4 V 1 kHz THD =10 %

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Typ 4 x 80 W/4 Ω @ 25V V, 1 kHz THD =10 %

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4 x Thermal warning and average junction temperature measurement on

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AC and DC diagnostic (independent of channel)

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OCP protection scheme configurable (4 x OCP limit selectable)

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Mute time configuration

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DIM (digital impedance meter)

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Feedback after filter configuration

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Capability to run complete diagnostic in play:

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Short to GND/VCC

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DC offset detector

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Extremely Low noise:

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13 µV A-weighted; 20 kHz (high gain) typ

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Very low THD:

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0.02% at 1 W 1 kHz on 4 and 2 Ω loads typ

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0.08% 20-20 kHz (full audio band) on 4 and 2 Ω loads (1 W)

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CD/Diag pin (3 selectable CD thresholds)

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Channel independent Mute/Play/Gain selection/Diagnostic

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Real Time current monitor

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Open Load in play

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Battery load dump compatible (40 V)

Product status link

HFDA801A

Product summary

Order code

Package

Packing

HFDA801A-

VYY

LQFP64

(exp. pad

up)

Tray

HFDA801A-

VYT

Tape&Reel

4 x 80W digital input class-D automotive audio amplifier with Hi-Fi audio quality,

advanced diagnostics, 2 MHz switching frequency and High Resolution Bandwidth

HFDA801A

Data brief

DB4402 - Rev 1 - January 2021

For further information contact your local STMicroelectronics sales office.

www.st.com