BU1920F - Rohm

BU1920F RDS / RBDS decoder

BU1920 / BU1920F / BU1920FS 172 Audio ICs FInput / output circuits BU1920 / BU1920F / BU1920FS 173 Audio ICs BU1920 / BU1920F / BU1920FS FElectrical characteristics (unless otherwise noted, Ta = 25_C, VDD = 5.0V and GND = 0.0V) Filter block Demodulator block 174 Audio ICs FOutput data timing BU1920 / BU1920F / BU1920FS The clock (RCLK) frequen.

Features

1) Low current dissipation. 2) Two-stage anti-aliasing filter. 3) 57kHz bandpass filter. 4) DSB demodulation (digital PLL). 5) ARI signal discrimination. 6) Quality indication output for demodulated data. FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 170 Audio ICs FBlock diagram Application example BU1920 / BU1920F / BU1920FS Pin assignments 171 Audio ICs FPin descriptions BU1920 / BU1920F / BU1920FS 172 Audio ICs FInput / output circuits BU1920 / BU1920F / BU1920FS 173 Audio ICs BU1920 / BU1920F / BU1920FS FElectrical characteristics (unl.