FDA901 Data brief 4 x 50 W class-D digital input automotive power amplifier with load current monitoring and low voltage operation Features AEC-Q100 qualified Integrated 110 dB D/A conversion 2 I S and TDM digital input (3.3/1.8 V) LQFP64 (exposed pad up) Input sampling frequency: 44.1 kHz, 48 kHz, 96 kHz and 192 kHz GAPGPS01631 Class-D channels with 93% efficiency CISPR25 - Class V (Fourth Edition) Low radiation function (LRF) Idle tones free DAC Output lowpass filter included in the feedback allowing superior audio performance High output power capability 28 W/4 10% THD, V = 14.4 V d Max. output power: 4 x 50 W/4 15.2 V, 1 kHz 2 Full I C bus driving (3.3/1.8 V): Channel independent Eco-Mode Channel independent soft play/mute 2 I C bus diagnostics, including DC and AC load detection and load value recognition Integrated fault protection Product status link Input and output offset detector FDA901 Clipping detector 2 Real time load current monitoring (on I C and TDM data lines) Device summary ESD protection Order code Package Packing 6 V operation Start - Sto engines compatibility) FDA901-VYY Tray LQFP64 2 and 1 load driving capability (exposed Tape & FDA901-VYT pad up) Reel Description FDA901 is a new BCD technology Quad Bridge class D amplifier, specially intended for car radio 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 to the standard class AB. The integrated D/A converter allows to reach outstanding performances (115 dB S/N ratio with 110 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. 2 FDA901 is fully configurable through I C bus, moreover it includes not only the most complete load diagnostic matrix but also a unique real time load current acquisition 2 2 on I C and I S data lines, enabling sophisticated speaker monitoring functions. 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. DB3856 - Rev 1 - March 2019 www.st.com For further information contact your local STMicroelectronics sales office.FDA901 Moreover the FDA901 is able to work with power supply as low as 6 V, thus supporting the most recent low voltage ( start-stop ) car-makers specification. DB3856 - Rev 1 page 2/17