Circuit integrat PT2258

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 -79 dB at 1 dB/step, low noise, high channel separation. Housed in 20-pin,

DIP or SO Package, PT2258rsquo;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 -79 dB 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-pin, DIP or SO Package

APPLICATIONS

- AV Surround Audio Equipment

- Car Audio

- Mini Compo

- Computer Multi-Media Speaker

- Other Audio Equipments