HFDA90D-F2T

4 channel analog input class-D automotive audio amplifier with Hi-Fi audio quality, advanced diagnostics and 2MHz switching frequency with load current monitor

Parameters

Supply Voltage Min Volt	4.5
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	125.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tape And Reel
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	LQFP 7X7 48L EXPOSED PAD UP

Description

The HFDA90D is a new STMicroelectronics class-D audio amplifier, specifically designed for automotive applications in the latest BCD technology.The HFDA90D integrates advanced solutions for an excellent GSM noise immunity combined with the advantages of 2 MHz switching PWM class-D output stages....
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Key features

Key features
AEC-Q100 qualified Supply operating range: 4.5 V–18 V EMI compliance evaluated according to CISPR25 Class-D BTL outputs Integrated 112 dB D/A conversion Battery load dump compatible (40 V) Reduced size and cost of output LC thanks to 2 MHz switching PWM I²S and TDM digital input (up to 16 channels TDM) Selectable input sample rate frequency (44.1/48/96/192 kHz) Multiple load configurations: Able to drive 4 Ω and 2 Ω speaker loads MOSFET power outputs allowing high output power capability: Typ. 4x29 W on 4 Ω at 14.4 V, 1 kHz, THD = 10% Typ. 4x22.5 W on 4 Ω at 14.4 V, 1 kHz, THD = 1% Typ. 4x47.5 W on 2 Ω at 14.4 V, 1 kHz, THD = 10% Typ. 4x35.5 W on 2 Ω at 14.4 V, 1 kHz, THD = 1% Outstanding audio performances THD 0.015% typ. at 1 W 1 kHz on 4 Ω loads Output noise 27 μV typ. A-weighted Crosstalk 100 dB typ. at 1 W 1 kHz on 4 Ω loads PSRR 80 dB typ. at 1 W 1 kHz on 4 Ω loads Fast turn-on and very low latency for high-speed audio processing applications Very low latency for noise cancelling application I²C full configurability with channel independent mute/play/gain selection/diagnostic 4 I²C addresses Full diagnostic matrix with info available both on I²C and CD/DIAG pin: 4 thermal warnings Independent by-channel DC and AC load detection diagnostic with selectable threshold Startup diagnostic for shorts to VCC/GND OCP protection with configurable OCP limit (2 selectable) Input offset detector DAM (digital admittance meter) Free-running diagnostics Output current offset detector DC/AC diagnostic Including open-load in play detection DAM Load current monitor Synchronization output pin Immune to pop/tick noise at turn on/off, battery variations, during diagnostic Legacy (backup mode without I²C control) Integrated short circuit protections ESD integrated protections (2 kV HBM, 500 V / 750 V corner CDM) LQFP48L exposed pad up package

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Quantity	$ per unit	Savings
1-500	$12.56	0%
500 +	Contact sales

$12.56

Parameters

Supply Voltage Min Volt	4.5
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	125.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tape And Reel
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	LQFP 7X7 48L EXPOSED PAD UP

Description

Key features

Key features
AEC-Q100 qualified Supply operating range: 4.5 V–18 V EMI compliance evaluated according to CISPR25 Class-D BTL outputs Integrated 112 dB D/A conversion Battery load dump compatible (40 V) Reduced size and cost of output LC thanks to 2 MHz switching PWM I²S and TDM digital input (up to 16 channels TDM) Selectable input sample rate frequency (44.1/48/96/192 kHz) Multiple load configurations: Able to drive 4 Ω and 2 Ω speaker loads MOSFET power outputs allowing high output power capability: Typ. 4x29 W on 4 Ω at 14.4 V, 1 kHz, THD = 10% Typ. 4x22.5 W on 4 Ω at 14.4 V, 1 kHz, THD = 1% Typ. 4x47.5 W on 2 Ω at 14.4 V, 1 kHz, THD = 10% Typ. 4x35.5 W on 2 Ω at 14.4 V, 1 kHz, THD = 1% Outstanding audio performances THD 0.015% typ. at 1 W 1 kHz on 4 Ω loads Output noise 27 μV typ. A-weighted Crosstalk 100 dB typ. at 1 W 1 kHz on 4 Ω loads PSRR 80 dB typ. at 1 W 1 kHz on 4 Ω loads Fast turn-on and very low latency for high-speed audio processing applications Very low latency for noise cancelling application I²C full configurability with channel independent mute/play/gain selection/diagnostic 4 I²C addresses Full diagnostic matrix with info available both on I²C and CD/DIAG pin: 4 thermal warnings Independent by-channel DC and AC load detection diagnostic with selectable threshold Startup diagnostic for shorts to VCC/GND OCP protection with configurable OCP limit (2 selectable) Input offset detector DAM (digital admittance meter) Free-running diagnostics Output current offset detector DC/AC diagnostic Including open-load in play detection DAM Load current monitor Synchronization output pin Immune to pop/tick noise at turn on/off, battery variations, during diagnostic Legacy (backup mode without I²C control) Integrated short circuit protections ESD integrated protections (2 kV HBM, 500 V / 750 V corner CDM) LQFP48L exposed pad up package