PT2257 Electronic Volume Controller

Princeton Technology Corp

Description

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The PT2257 is an electronic volume controller IC utilizing CMOS technology specially designed for the new generation of AV entertainment products.

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Datasheet Specifications

Part number: PT2257
Manufacturer: Princeton Technology Corp
File Size: 549.94 KB
Datasheet: PT2257_PrincetonTechnologyCorp.pdf
Description: Electronic Volume Controller

Features

* CMOS technology
* Low power consumption
* Least external components
* Attenuation range: 0 to -79dB at 1dB/step
* Operating voltage: 3 to 9V
* Low Noise, S/N Ratio>100dB (A-weighting)
* Two channel output
* Available in 8-pin, DIP or

Applications

* The PT2257 provides an I2C control interface, an attenuation range of 0 to -79dB, low noise, and high channel separation. It is housed in an 8-pin, DIP or SOP package. The PT2257’s pin assignments and application circuit are optimized for easy PCB layout and cost saving advantages. BLOCK DIAGRAM P

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PT2257 Electronic Volume Controller Princeton Technology Corp

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