
Cirrus Logic
General Description
The CDB5376 board is used to evaluate the functionality and performance of the Cirrus Logic multichannel seismic chip set. Data sheets for the CS3301, CS3302, CS4373A, CS5371/72, and CS5376A devices should be consulted when using the CDB5376 evaluation board.
FEATUREs
● Four-channel Seismic Acquisition Node
– CS3301 geophone amplifiers (2x)
– CS3302 hydrophone amplifiers (2x)
– CS5372 dual ∆Σ modulators (2x)
– CS5376A quad digital filter (1x)
– CS4373A ∆Σ test DAC (1x)
– Precision voltage reference
– Clock recovery PLL
● On-board Microcontroller
– SPI™ interface to digital filter
– USB communication with PC
● PC Evaluation Software
– Register setup & control
– FFT frequency analysis
– Time domain analysis
– Noise histogram analysis