PT2258-S 6 Channel Electronic Volume Controller IC holt integrated circuits

PT2258-S 6-Channel Electronic Volume Controller IC holt integrated circuits

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

• I2 C Bus Control Interface

• Selectable Address

• 6-Channel Outputs

• Available in 20 pins, DIP or SOP

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 I2 C 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.

DATA VALIDITY A data on the SDA Line is considered valid and stable only when the SCL Signal is in HIGH State. The HIGH and LOW States of the SDA Line can only change when the SCL signal is LOW. Please refer to the figure below. D

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