• Part: FDA803U
  • Description: 1 x 45W class-D digital input automotive power amplifier
  • Manufacturer: STMicroelectronics
  • Size: 1.31 MB
Download FDA803U Datasheet PDF
STMicroelectronics
FDA803U
FDA803U is 1 x 45W class-D digital input automotive power amplifier manufactured by STMicroelectronics.
Features - AEC-Q100 qualified - Integrated 108 d B D/A conversion - I2S and TDM digital input (4/8/16CH TDM) - Input sampling frequency: 44.1 k Hz, 48 k Hz, 96 k Hz, 192 k Hz - Full I2C bus driving (3.3/1.8 V) - CISPR 25 - Class V (Fourth edition) - Very low quiescent current - Output lowpass filter included in the feedback allowing outstanding audio performances - 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 Ω @ 14.4 V, 1 k Hz THD = 1% - 1 x 30 W /4 Ω @ 14.4 V, 1 k Hz THD = 10% - 2 Ω loads driving - Power limiting function (configurable through I2C) - I2C bus diagnostics: - Short to VCC/GND - Short load and open load detection (also in play mode) - Four thermal warnings - DC offset detector (also in play) and 'hot spot' detection - Clipping detector - Integrated thermal protection - Legacy mode ('no I2C' mode), 4 configurable settings - Short circuit and ESD integrated protections - Package: Power SSO-36 exposed pad up Description The FDA803U is a single bridge class D amplifier, designed in the most advanced BCD technology, intended for any automotive audio application (car radio, telematics and e-call, noise and tone generators, etc). The FDA803U integrates a high performance D/A converter together with powerful MOSFET outputs in class D, so it is very pact and powerful, moreover it reaches outstanding efficiency performances (90%). It has a very wide operating range: it can be operated both with standard car battery levels (5.5-18 V operating, patible to load dump pulse) and with external step-down generated voltages or emergency battery (since it is patible to minimum 3.3 V operative). The feedback loop includes the output L-C lowpass filter, allowing superior frequency response linearity and lower distortion. FDA803U is configurable through I2C bus interface and integrates a plete diagnostics array specially intended for automotive applications...