Product Summary

The PT2259-S is an 8-pin 2-channel volume controller which utilizes CMOS technology and incorporates the I2C interface control. The controller features an attenuation range of 0 to -79dB, low noise output, a high degree of stereo separation and requires only a small number of external components. The PT2259-S is an essential component for modern audio visual systems. The applications of the PT2259-S include Audio/visual surround sound systems, Car audio systems, Mini-compo systems, Computer multi-media speakers and Other audio applications.

Parametrics

PT2259-S absolute maximum ratings: (1)Supply Voltage, Vcc: 12V; (2)Operating Temperature, Topr: -40 to +85℃; (3)Storage Temperature, Tstg: -65 to +150℃; (4)Input Voltage, Vi: -0.3 to Vcc+0.3V.

Features

PT2259-S features: (1)Attenuation range: 0 to -79dB in 1dB steps; (2)Operating voltage: 4 to 9V; (3)Low power consumption; (4)Low signal noise: S/N > 100dB (A-weighting); (5)Stereo separation > 100dB; (6)Requires few external components; (7)2-channel volume individual adjust; (8)DIP or SO packaging.

Diagrams

PT2259-S block diagram