BU9253 Overview
Multimedia ICs KARAOKE echo IC BU9253AS / BU9253FS / BU9255FS The BU9253AS, BU9253FS and BU9255FS are single-chip ICs that contain all the ponents needed to configure a KARAOKE echo system: an A / D and D / A converter, SRAM, LPF, and mixer for mixing source signals. With these ICs, an echo function can be configured easily and with minimum external ponents.
BU9253 Key Features
- 1) Echo mixing ratio is adjustable with a DC voltage. 2) A second order LPF can be configured with the internal amplifie
- Block diagram
- BU9253FS / BU9255FS
BU9253 Applications
- KARAOKE functions for portable stereo sets, mini ponent stereo sets, video CDs and DVDs, etc. Features
- 1) Echo mixing ratio is adjustable with a DC voltage. 2) A second order LPF can be configured with the internal amplifier and an attached capacitor and resistor