FDA903Q 1 CH class D digital input automotive power amplifier with diagnostics, load current monitoring wide voltage operation range for car audio and telematic Data brief 2 loads driving Amplitude limiter function (configurable 2 through I C) 2 I C bus diagnostics: Short to V /GND CC Short load and open load detection (also in GAPGPS03203 play mode) VFQFPN 7x7x1.0 48L Four thermal warnings (Exposed pad down) DC offset detector (also in play) and hot spot detection Features Clipping detector AEC-Q100 qualified Integrated thermal protection 2 Integrated 108 dB D/A conversion Legacy mode ( no I C mode), 4 configurable 2 settings I S and TDM digital input (4/8/16CH TDM) Short circuit and ESD integrated protections Input sampling frequency: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz Package: VFQFPN48 exposed pad down 2 Full I C bus driving (3.3/1.8 V) Table 1. Device summary CISPR 25 - Class V (Fourth edition) Order code Package Packing Very low quiescent current FDA903Q-V0T Tape & reel VFQFPN48 Output lowpass filter included in the feedback (exposed pad down) allowing outstanding audio performances FDA903Q-V0Y Tray Wide operating supply range from 3.3 to 18 V, suitable for car radio, telematics and e-call MOSFET power outputs allowing high output power capability 1 x 25 W /4 14.4 V, 1 kHz THD = 1% 1 x 31 W /4 14.4 V, 1 kHz THD = 10% May 2021 DB4489 Rev 1 1/16 For further information contact your local STMicroelectronics sales office. www.st.comContents FDA903Q Contents 1 Description . 5 2 Block diagram 6 3 Pin description . 7 4 Application diagram 10 5 Electrical specifications . 11 5.1 Absolute maximum ratings .11 5.2 Maximum operating voltage . 12 5.3 Thermal data 12 6 Package information 13 6.1 VFQFPN (7x7x1.0 48L - opt. D) package information . 13 7 Revision history . 15 2/16 DB4489 Rev 1