CSC2323 WISWOOD | Alldatasheet
Document overview
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Technical content
CSC2323 v1.1 - 1 - July, 2003 6-Ch Audio Selector CSC2323
DESCRIPTION
CSC2323 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), I 2C 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
z Supply Voltage: 9V z 4 Stereo Inputs z One 6-Channel Input z Maximum Input Voltage: 3.75Vrms (1kHz, THD<1%) z Low Total Harmonic Distortion, THD<0.005% (1kHz, 0.2Vrms) z Low Noise: No<4µVrms z I2C Bus Interface z Available in 28 Pins, DIP or SOP Package
APPLICATIONS
z Multi-Media Audio Systems
CSC2323 v1.1 - 2 - July, 2003 6-Ch Audio Selector CSC2323 PIN CONFIGURATION CSC2323 FLI CTI SUBI SLI SRI MIXO VCC REF FRI GND LPF_I LPF_O FLO FRO CTO SUBO SLO SRO SCL SDA
CSC2323 v1.1 - 3 - July, 2003 6-Ch Audio Selector CSC2323 APPLICATION CIRCUIT CSC2323 28Pin FLI CTI SUBI SLI SRI MIXO VCC REF FRI GND LPF_ I LPF_ O FLO FRO CTO SUBO SLO SRO SCL SDA 10 fμ 0.147 fμ 270 (N OTE )Ω 270 (N OTE )Ω 270 (N OTE )Ω 270 (N OTE )Ω 270 (N OTE )Ω 270 (N OTE )Ω I C BUS2 10 fμ 100K From MIXO 10 fμ 100K Rch1 Rch2 Rch3 Rch4 10 fμ100K Lch1 Lch2 Lch3 Lch4 6C H IN 6C H OUT Note: * = An external resistor (R=270 Ω) 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.
CSC2323 v1.1 - 4 - July, 2003 6-Ch Audio Selector CSC2323 ORDER INFORMATION Valid Part Number Package Type Top Code