The CS5378 is a multifunction digital filter utilizing a low-power signal processing architecture to achieve efficient filtering for Delta-Sigma modulators. Digital filter coefficients for the FIR and IIR filters are included on-chip or can be programmed for custom applications. When combined with the CS3301/02 differential amplifiers, this chipset can easily and quickly create a flexible high-resolution single-sensor measurement system for seismic and geophysical data acquisition.
Using the on-chip selectable coefficient sets, the digital filter decimation ratios produce output word rates ranging from 4,000 SPS to 1 SPS, resulting in measurement bandwidths ranging from 1,720 Hz down to 430 mHz.
The CS5378 provides highly integrated peripherals that simplify system design by offering selectable digital filter decimation ratios, offset and gain corrections, a CS5378 digital test D/A bit-stream signal generator, a time-break controller, eight general-purpose I/O pins and an on-chip PLL and SPI port.
The CS5373A Delta-Sigma modulator with integrated test DAC and the CS5378 digital filter are the foundation of our Single-S™ seismic platform.
| Part | Description | Resolution (bits) | Dynamic Range (dB) | THD (dB) | Power Consumption Per Channel (mW) | Signal Range (V) |  Package |
|---|---|---|---|---|---|---|---|
| CS5378 | Filter with PLL | — | — | — | 20 | — | 28 SSOP |
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