Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw 2CH Electronic Volume with Tone & Surround PT2329 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. 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 APPLICATION • Mini Combo PT2329 V1.0 -1- December, 2007 Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw 2CH Electronic Volume with Tone & Surround PT2329 PIN CONFIGURATION REFIN 1 32 VCC INL1 2 31 INR 1 INL2 3 30 INR 2 INL3 4 29 INR 3 INL4 5 28 INR 4 INL 5 6 27 INR 5 26 INR6(RECR) INL6(RECL) 7 IGOUTL 8 25 IGOUTR VOLINL 9 24 VOLINR 23 TRER TREL 10 PT2329 V1.0 BASSL 1 11 22 BASSR 1 BASSL2 12 21 BASSR 2 LOUT 13 20 ROUT AGND 14 19 DGND N.C 15 18 SCL CEXT 16 17 SDA -2- December, 2007 Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw 2CH Electronic Volume with Tone & Surround PT2329 APPLICATION EXAMPLE 10uF REFIN 1 1 uF INL1 1uF 2 31 3 30 4 29 Input selector 1 uF INL4 Input INR3 1uF selector 5 28 6 27 INR4 1uF 1 uF INL5 INR2 1uF 1 uF INL3 INR5 1uF 1 uF INL6(RECL) INR1 1uF 1 uF INL2 VCC 32 REF 7 IGOUTL 0/-2dB 0/-2dB mute 0~ +12dB 1dB/ step volume 0~ +12dB 1dB/ step volume 0 ~ - 87dB, 1dB/ step 8 9 mute 8 VOLINL IGOUTR 25 8 2.2uF INR6(RECR) 26 0 ~ - 87dB, 1dB/ step 2.2uF VOLINR 24 8200pF 8200pF TREL TRER 23 10 Surround BASSL1 11 8.2K 0.068uF 12 BASSL2 Tone Control Lch Bass/Tr eble Mode Selector 4.7 uF LOUT Tone Control Rch Bass/Tr eble BASSR1 22 . 0.068uF BASSR2 21 Mode Selector 4.7uF 47K AGND 14 N.C 19 15 DGND 18 SCL 17 SDA I2C PT2329 V1.0 ROUT 20 13 47K CEXT 8.2K I/F 0.22uF 16 De- pop -3- December, 2007 Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw 2CH Electronic Volume with Tone & Surround PT2329 ORDER INFORMATION Valid Part Number PT2329 PT2329 V1.0 Package Type 32 Pins, SOP, 300MIL -4- Top Code PT2329 December, 2007