BH3810FS - Rohm

BH3810FS Vocal fader

Input selector Input selector Mode selector Open collector port Tri-state port 2bit Tri-state port 2bit Mic. mute Chip select Bit number 3bit 3bit 3bit 8bit 1bit 2bit Fig.2 • Address is "00" D22 0 At power on Gain selector Mode selector Mic Key controller Input selector 6dB Through mode Mute OFF OFF LA, RA D23 0 Output port: current attract.

Features

which can all be controlled serially. Eight open-collector terminals and two tri-state terminals are provided on the chip to facilitate control by other ICs. Applications
• Component stereo systems, CD radio cassette players, TVs and car stereos. Features
• 1) Built-in low-pass filter can perform vocal fader function (erasing of vocals from commercially available music software) using just one chip. 2) Serial control can be used to switch between vocal fader, through, multiplex, and mute modes. 3) Built-in gain selector allows selection of gain from 6dB to 20dB in 2dB steps. 4) Five-channe.