PT2257-S datasheet(2/16 Pages) PTC

Part #	PT2257-S

Description	Electronic Volume Controller IC

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Manufacturer	PTC [Princeton Technology Corp]

Direct Link	http://www.princeton.com.tw

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2 / 16 page

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT2257 V1.4

- 2 -

May, 2008

Electronic Volume Controller IC

PT2257

BLOCK DIAGRAM

LIN

LOUT

V DD

R IN

SDA

SCL

Vss

10dB /St ep

10dB /S t ep

1dB /Ste p

1dB /S te p

Ref

C ontrol unit

R OU T

+

-

+

-

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