Part PT2257
Description Electronic Volume Controller
Manufacturer Princeton Technology Corp
Size 549.94 KB
Princeton Technology Corp
PT2257

Overview

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.

  • 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 SOP