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| Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 6-Ch Audio Selector PT2323 DESCRIPTION PT2323 is a 6-Channel Audio Selector utilizing CMOS Technology specially designed for Home Theater System. It provides a built-in 2-Channel to 6-Channel Translator, which can directly mix traditional stereo channel to simulate a 6-Channel audio output. Single power supply (9V), I2C Bus Interface as well as very low Total Harmonic Distortion (THD < 0.005%) and other features are incorporated into a single chip thereby providing very high performance. Pin assignments and application circuit are optimized for easy PCB layout and cost saving advantages. FEATURES Supply Voltage: 9V 4 Stereo Inputs One 6-Channel Input Maximum Input Voltage: 3.75Vrms (1kHz, THD<1%) Low Total Harmonic Distortion, THD<0.005% (1kHz, 0.2Vrms) Low Noise: No<4Vrms APPLICATIONS AV System Mini Compo Car Stereo Multi-Media Audio Systems PT2323 v1.1 w w w .d ee sh ta a u. t4 om c -1- July, 2003 www..com I2C Bus Interface Available in 28 Pins, DIP or SOP Package Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 6-Ch Audio Selector PT2323 PIN CONFIGURATION L1 L2 L3 L4 FLI FRI CTI SUBI SLI SRI MIXO VCC REF GND PT2323 R1 R2 R3 R4 LPF_I LPF_O FLO FRO CTO SUBO SLO SRO SCL SDA PT2323 v1.1 -2- July, 2003 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 6-Ch Audio Selector PT2323 APPLICATION CIRCUIT 10f 100K + Rch1 + Rch2 Rch3 Rch4 100K 10f Lch1 Lch2 Lch3 Lch4 1 2 3 4 5 6 7 L1 L2 L3 L4 FLI FRI CTI SUB I SLI SRI M IX O V CC REF GND R1 R2 R3 R4 L PF_I L PF_O FLO FRO CTO SUB O SLO SRO SCL SDA 28 27 + 26 + 25 24 23 22 21 20 19 18 17 16 15 C2 C1 10 270(N OTE ) + f 270(N OTE ) + 270(N OTE ) + 270(N OTE ) + 270(N OTE ) + 270(N OTE ) + From MIX O << 100K 6C H IN 8 9 10 11 12 13 6C H OUT << 9V 47f 0.1 10f 14 PT2323 28Pin Note: I2C BUS * = An external resistor (R=270) must be connected in series to each of the output pins (FLO, FRO, CTO, SUBO, SLO, SRO) and must be as close as possible to the PT2323 chip. PT2323 v1.1 -3July, 2003 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 6-Ch Audio Selector PT2323 ORDER INFORMATION Valid Part Number PT2323 PT2323-S Package Type 28 PINS, DI Package (600 mil) 28 PINS, SO Package (330 mil) Top Code PT2323 PT2323-S PT2323 v1.1 -4- July, 2003 |
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