DESCRIPTION

PT2258 is a 6-Channel Electronic Volume Controller IC utilizing CMOS Technology specially designed for the new generation of AV Multi-Channel Audio System. PT2258 provides an I2C Control Interface, an attenuation range of 0 to -79dB at 1dB/step, low noise, and high channel separation. Housed in 20 pins, DIP or SOP, PT2258’s pin assignments and application circuit are optimized for easy PCB Layout and cost saving advantages.

FEATURES

• CMOS Technology

• Low Power Consumption

• Least External Components

• Attenuation Range: 0 to -79dB at 1dB/step

• Operating Voltage: 5 to 9 V

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

• High Channel Separation

• I2C Bus Control Interface

• Selectable Address

• 6-Channel Outputs

• Available in 20 pins, DIP or SOP

APPLICATIONS

• AV Surround Audio Equipment

• Car Audio

• Mini Compo

• Computer Multi-Media Speaker

• Other Audio Equipments