HFDA802-VYT

HFDA802-VYT

Active

HFDA802-VYY

2 x 80 W digital input class-D automotive audio amplifier with Hi-Fi audio quality, advanced diagnostics, 2 MHz switching frequency and High Resolution Bandwidth

Supply Voltage Min Volt4.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTray
RoHs compliantEcopack2
GradeAutomotive
Package NameLQFP

HFDA802 is the new ST class-D audio amplifier, specifically designed for automotive applications in the latest BCD technology. The HFDA802 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
  • 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 2 x 30 W/4 Ω @ 14.4 V, 1 kHz THD = 10%
    • Typ 2 x 25 W/4 Ω @ 14.4 V, 1 kHz THD = 1%
    • Typ 2 x 50 W/2 Ω @ 14.4 V 1 kHz THD = 10 %
    • Typ 2 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
Out of Stock
Quantity $ per unit Savings
1-9$9.470%
10-24$8.5510%
25-99$8.1514%
100-249$7.0825%
250-499$6.7629%
500$6.1635%
Contact sales
$9.47
Supply Voltage Min Volt4.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTray
RoHs compliantEcopack2
GradeAutomotive
Package NameLQFP

HFDA802 is the new ST class-D audio amplifier, specifically designed for automotive applications in the latest BCD technology. The HFDA802 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...
Read More

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 2 x 30 W/4 Ω @ 14.4 V, 1 kHz THD = 10%
    • Typ 2 x 25 W/4 Ω @ 14.4 V, 1 kHz THD = 1%
    • Typ 2 x 50 W/2 Ω @ 14.4 V 1 kHz THD = 10 %
    • Typ 2 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