PT2257 Princeton Technology Corp., PT2257 Datasheet

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... Electronic Volume Controller IC DESCRIPTION The PT2257 is an electronic volume controller IC utilizing CMOS technology specially designed for the new generation of AV entertainment products. It has two (2) built-in channels making it ideally suitable for mono and stereo sound applications. The PT2257 provides an I range -79dB, low noise, and high channel separation housed pins, DIP or SOP package, The PT2257’ ...

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... Electronic Volume Controller IC PIN CONFIGURATION PIN DESCRIPTION Pin Name I OUT V SS SDA SCL OUT R IN PT2257 V1.4 LIN LOUT PT 2257 VS S SDA Description Left input channel I Connect a capacitor to audio source Left output channel O Connect a capacitor to audio output - Ground data input ...

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... Electronic Volume Controller IC APPLICATION CIRCUIT LIN LOUT PT2257 V1.4 C1 10uF 1 LIN RIN LOUT ROUT 7 10uF 3 VSS VDD 6 4 SDA SCL 5 PT2257 MCU - 3 - Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw C2 RIN 10uF C4 ROUT 10uF VDD C6 C5 0.1uF 100uF PT2257 May, 2008 ...

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... Electronic Volume Controller IC ORDER INFORMATION Valid Part Number PT2257 (L) PT2257-S (L) Notes: 1. (L), (C) or (S) = Lead Free 2. The Lead Free mark is put in front of the date code. PT2257 V1.4 Package Type 8 Pins, DIP, 300mil 8 Pins, SOP, 150mil - 4 - Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw ...