HFDA801A-VYT

4x80W digital input class-D automotive audio amplifier with Hi-Fi audio quality, advanced diagnostics, 2MHz switching frequency and High Resolution Bandwidth

Parameters

Supply Voltage Min Volt	4.5
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	105.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tape And Reel
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	LQFP

Description

HFDA801A is the new ST class-D audio amplifier, specifically designed for automotive applications in the latest BCD technology. The HFDA801A integrates a 24-bit 120 dB DAC conversion, and features 2 MHz switching PWM class D output stage. This configuration enables the design of a compact and...
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Key features

Key features
AEC-Q100 qualified Integrated 120 dB D/A conversion I²S and TDM digital input (up to 16 CH TDM) Selectable input sample rate frequency (44.1/48/96/192 kHz) Wide supply operating range: 4.5 V - 25 V (5 V min at turn-on transition) PWM 2 MHz switching PWM: Reduced size and cost of output LC High resolution bandwidth support: Up to 40 kHz (I²S 96 kHz) with attenuation [0 dB, -2 dB] Up to 80 kHz (I²S 192 kHz) with attenuation [0 dB, -2 dB] 4 I²C addresses 4 Ω, 2 Ω, 1 Ω driving with output channels parallelization MOSFET power outputs allowing high output power capability: Typ 4 x 30 W/4 Ω @ 14.4 V, 1 kHz THD = 10% Typ 4 x 25 W/4 Ω @ 14.4 V, 1 kHz THD = 1% Typ 4 x 50 W/2 Ω @ 14.4 V 1 kHz THD = 10 % Typ 4 x 80 W/4 Ω @ 25 V, 1 kHz THD = 10 % I²C full configurability and diagnostic: 4 x Thermal warning and average junction temperature measurement on I²C (8 bits) AC and DC diagnostic (independent of channel) OCP protection scheme configurable (4 x OCP limit selectable) Mute time configuration DIM (digital impedance meter) Feedback after filter configuration Capability to run complete diagnostic in play: Short to GND/VCC DC offset detector Extremely Low noise: 13 µV A-weighted; 20 kHz (high gain) typ Very low THD: 0.02% at 1 W 1 kHz on 4 and 2 Ω loads typ 0.08% 20-20 kHz (full audio band) on 4 and 2 Ω loads (1 W) CD/Diag pin (3 selectable CD thresholds) Synchronization output pin (only with TDM input stream, on I²Sdata2) Channel independent Mute/Play/Gain selection/Diagnostic Real Time current monitor Open Load in play Battery load dump compatible (40 V) Immune to pop/tick noise at turn on/off, battery variations (inside the operative range), during diagnostic EMI compliance evaluated according to CISPR25 Legacy (no I²C mode) Integrated short circuit protections ESD integrated protections (2 kV HBM, 500 V/750 V corner CDM) LQFP64 exposed pad up package

In stock

Quantity	$ per unit	Savings
1-9	$12.92	0%
10-24	$10.17	21%
25-99	$9.49	27%
100-249	$8.73	32%
250-499	$8.38	35%
500	$8.16	37%
500 +	Contact sales

$12.92

Parameters

Supply Voltage Min Volt	4.5
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	105.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tape And Reel
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	LQFP

Description

Key features

Key features
AEC-Q100 qualified Integrated 120 dB D/A conversion I²S and TDM digital input (up to 16 CH TDM) Selectable input sample rate frequency (44.1/48/96/192 kHz) Wide supply operating range: 4.5 V - 25 V (5 V min at turn-on transition) PWM 2 MHz switching PWM: Reduced size and cost of output LC High resolution bandwidth support: Up to 40 kHz (I²S 96 kHz) with attenuation [0 dB, -2 dB] Up to 80 kHz (I²S 192 kHz) with attenuation [0 dB, -2 dB] 4 I²C addresses 4 Ω, 2 Ω, 1 Ω driving with output channels parallelization MOSFET power outputs allowing high output power capability: Typ 4 x 30 W/4 Ω @ 14.4 V, 1 kHz THD = 10% Typ 4 x 25 W/4 Ω @ 14.4 V, 1 kHz THD = 1% Typ 4 x 50 W/2 Ω @ 14.4 V 1 kHz THD = 10 % Typ 4 x 80 W/4 Ω @ 25 V, 1 kHz THD = 10 % I²C full configurability and diagnostic: 4 x Thermal warning and average junction temperature measurement on I²C (8 bits) AC and DC diagnostic (independent of channel) OCP protection scheme configurable (4 x OCP limit selectable) Mute time configuration DIM (digital impedance meter) Feedback after filter configuration Capability to run complete diagnostic in play: Short to GND/VCC DC offset detector Extremely Low noise: 13 µV A-weighted; 20 kHz (high gain) typ Very low THD: 0.02% at 1 W 1 kHz on 4 and 2 Ω loads typ 0.08% 20-20 kHz (full audio band) on 4 and 2 Ω loads (1 W) CD/Diag pin (3 selectable CD thresholds) Synchronization output pin (only with TDM input stream, on I²Sdata2) Channel independent Mute/Play/Gain selection/Diagnostic Real Time current monitor Open Load in play Battery load dump compatible (40 V) Immune to pop/tick noise at turn on/off, battery variations (inside the operative range), during diagnostic EMI compliance evaluated according to CISPR25 Legacy (no I²C mode) Integrated short circuit protections ESD integrated protections (2 kV HBM, 500 V/750 V corner CDM) LQFP64 exposed pad up package