Cirrus Logic, Inc. Seismic Total-s (multi-channel) CS5376A


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Seismic Total-s (multi-channel) - CS5376A - Cirrus Logic, Inc.
Austin, TX, USA
Seismic Total-s (multi-channel) CS5376A
The CS5376A is a multi-function digital filter using a low power signal processing architecture to achieve efficient filtering for up to four Delta Sigma modulators. By combining the CS5376A with CS3301/02 differential amplifiers, the CS5371/72 Delta Sigma modulators and the CS4373A Delta Sigma digital-to-analog (D/A) converters, a synchronous high-resolution multichannel measurement system can be designed quickly and easily. Digital filter coefficients for the CS5376A FIR (finite impulse response) and IIR (infinite impulse response) filters are included on-chip for a simple setup, or they can be programmed for custom applications. Selectable digital filter decimation ratios produce output word rates from 4,000 samples per second (SPS) down to 1 SPS, resulting in measurement bandwidths ranging from 1,720 Hz to 430 mHz when using the on-chip coefficient sets. The CS5376A includes integrated peripherals to simplify system design: offset and gain corrections; a test D/A converter bitstream generator; a time-break controller; 12 general-purpose input/output pins; and a secondary SPI port. Features 3- or 4-channel digital decimation filter Multiple on-chip FIR and IIR coefficient sets Programmable coefficients for custom filters Synchronous operation Selectable-output word rate 4,000, 2,000, 1,000, 500, 333 and 250 SPS 200, 125, 100, 50, 40, 25, 20, 10, 5 and 1 SPS Digital calibration, gain and offset corrections Digital test bit-stream signal generator Sine wave or impulse output mode Programmable waveform data Ideal for use with the CS4373A Seismic Test DAC Time-break controller, general-purpose I/O Secondary SPI port Microcontroller or EEPROM configuration Low-power consumption 9.5 mW per channel at 500 SPS OWR Flexible-power supplies I/O interface: 3.3 V or 5 V Digital logic core: 3.0 V, 3.3 V or 5 V Small footprint: 64-pin TQFP
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Technical Specifications

  Cirrus Logic, Inc.
Product Category IC Electronic Filters
Product Number CS5376A
Product Name Seismic Total-s (multi-channel)
Filter Category Active Filter
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