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, 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 -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
