Product Summary

The SC9261 is an optimum CMOS with I2C interface on Chip, which has been designed for electrification of volume control of audio equipment, etc. The applications of the SC9261 include Digital volume control Radio, CD, VCD and DVD system volume control, DTS system volume control, Audio system volume control.

Parametrics

SC9261 absolute maximum ratings: (1)Supply Voltage, VDD: -0.3~15 V; (2)Input Voltage, VIN: -0.3~VDD+0.3 V; (3)Power Dissipation, PD: 300 mW; (4)Operating Temperature, Topr: -40~85℃; (5)Storage Temperature, Tstg: -55~150℃.

Features

SC9261 features: (1)Attenuation can be controlled from 0dB to 78dB by 2dB/step; (2)This ICs feature a built180in loudness circuit.(20dB tap); (3)The volume, balance and loudness circuits can be controlled by I2C series data; (4)CS (Chip Select) input allows control of up to 2 of this chip on the same bus; (5)Use Polysilicon resistors enable lowdistortion, high-performance volume system; (6)Package is DIP16 and SOP16.

Diagrams

SC9261 block diagram