PT2259 查看數據表（PDF） - Princeton Technology

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PT2259

Volume Controller IC

Princeton Technology 

Volume Controller IC

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT2259

DESCRIPTION

PT2259 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. PT2259 is

an essential component for modern audio visual systems.

FEATURES

• Attenuation range: 0 to –79dB in 1dB steps

• Operating voltage: 4 to 9V

• Low power consumption

• Low signal noise: S/N > 100dB (A-weighting)

• Stereo separation > 100dB

• Requires few external components

• 2-channel volume individual adjust

• Available in 8 Pins DIP or SOP

APPLICATIONS

• Audio/visual surround sound systems

• Car audio systems

• Mini-compo systems

• Computer multi-media speakers

• Other audio applications

PT2259 V1.2

-1-

June, 2005

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