PT2329 2CH Electronic Volume with Tone & Surround DESCRIPTION The PT2329 is a 2-ch electronic volume with tone and surround IC for Mini Combo. It has a 6-input selector, Bypass/tone/tone & surround, input gain control and 2ch master volume. It can control all of these functions with I2C Interface. APPLICATION • Mini Combo FEATURES • Supply voltage: Vcc=9V (typ.) • Volume: 0~-87dB, -∞/1dB step, each channels are independence control. • Input selector: 6 stereo input selector include 1 REC output of 0/-2dB + Mute • Input gain control: 0dB~+12dB/1dB step • Tone control: - Bass: -15dB~+15dB/1dB step - Treble: -15dB~+15dB/1dB step • Surround: Surround <Low/High> • Mode selector: Bypass/Tone/Tone & Surround • Built-in de-pop function • I2C interface: 2 ports serial control BLOCK DIAGRAM Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan PT2329 APPLICATION CIRCUIT V1.1 -2- October 2012 PT2329 ORDER INFORMATION Valid Part Number PT2329 Package Type 32 Pins, SOP, 300mil Top Code PT2329 PIN CONFIGURATION V1.1 -3- October 2012 PT2329 IMPORTANT NOTICE Princeton Technology Corporation (PTC) reserves the right to make corrections, modifications, enhancements, improvements, and other changes to its products and to discontinue any product without notice at any time. PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No circuit patent licenses are implied. Princeton Technology Corp. 2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw V1.1 16 October 2012