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
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
