PT2257 Datasheet (Princeton Technology Corp) - Electronic Volume Controller

PT2257, Electronic Volume Controller

The PT2257 is an electronic volume controller IC utilizing CMOS technology specially designed for the new generation of AV entertainment products.

It has two (2) built-in channels making it ideally suitable for mono and stereo sound applications.

The PT2257 provides an I2C control interface, an atte

PT2257 Features

* CMOS technology

* Low power consumption

* Least external components

* Attenuation range: 0 to -79dB at 1dB/step

* Operating voltage: 3 to 9V

* Low Noise, S/N Ratio>100dB (A-weighting)

* Two channel output

* Available in 8-pin, DIP or