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Product Descriptions

FDA801B is a new BCD technology quad BRIDGE class D amplifier, specially intended for automotive applications.Thanks to the technology used, it is possible to integrate a high performance D/A converter together with powerful MOSFET outputs in class D, to get an outstanding efficiency 

compared with the standard class AB.The integrated D/A converter allows to reach outstanding performances (110 dB S/N ratio with 108 dB of dynamic range). The feedback loop includes the output L-C low-pass filter, allowing superior frequency response linearity and lower distortion independently from the inductor and capacitor quality.

FDA801B is fully configurable through I2C bus interface and integrates a full diagnostics array specially intended for automotive applications. 

Thanks to the solutions implemented to contain EMI emissions, the device is intended to be used in the standard single DIN car-radio box together with the tuner.

Moreover FDA801B is able to work with power supply as low as 6 V, thus supporting the most recent low voltage ('start-stop') car-makers 

specification.

Product Features

? Integrated 110 dB D/A conversion

? I2S and TDM digital input (3.3/1.8 V)

? Input sampling frequency: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz

? Class-D channels with 93 percent efficiency

? EMI control for AM compatibility

? EMI compliance evaluated following normative IEC61967-4 and IEC62132-4

? Low radiation function (LRF)

? Idle tones free DAC

? Output lowpass filter included in the feedback allowing lower cost filter components

? Max. output power

– 4 x 50 W/4 Ω @ 15.2 V, 1 kHz

? High output power capability

– 28 W/4 Ω 10 percent THD, Vd = 14.4 V

? Full I2C bus driving (3.3/1.8 V):

– Channels independent tristate

– Channel independent soft play/mute

– I2C bus diagnostics , including DC and AC load detection and load value recognition (DIM)

? Integrated fault protection

? Input and output offset detector

? Clipping detector

? ESD protection

? 6 V operation (“Start - Stop” engines compatibility)

? 2 and 1 Ω load driving capability

  Specifications

Actual product photos

Product Data Book：

For more product information, please download the PDF

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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