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The CS5505-8 are a family of low power CMOS A/D converters which are ideal for measuring low-frequency signals representing physical, chemical, and biological processes. The CS5507-8 have single-channel differential analog and reference inputs while the CS5505-6 have four pseudo-differential analog input channels. The CS5505/7 have a 16-bit output word. The CS5506/8 have a 20-bit output word. The CS5505-8 sample upon command up to 100 output updates per second. The on-chip digital filter offers superior line rejection at 50 and 60 Hz when the device is operated from a 32.768 kHz clock (output word rate = 20 Hz). The CS5505-8 include on-chip, self-calibration circuitry which can be initiated at any time or temperature to ensure minimum offset and full-scale errors. The CS5505-8 serial port offers two general-purpose modes for the direct interface to shift registers or synchronous serial ports of industry-standard micro-controllers.
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