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CDB5376 Datasheet, PDF (1/78 Pages) Cirrus Logic – Multichannel Seismic Evaluation System | |||
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CDB5376
Multichannel Seismic Evaluation System
Features
z Four-channel Seismic Acquisition Node
â CS3301 geophone amplifiers (2x)
â CS3302 hydrophone amplifiers (2x)
â CS5372 dual âΣ modulators (2x)
â CS5376A quad digital filter (1x)
â CS4373A âΣ test DAC (1x)
â Precision voltage reference
â Clock recovery PLL
z On-board Microcontroller
â SPI⢠interface to digital filter
â USB communication with PC
z PC Evaluation Software
â Register setup & control
â FFT frequency analysis
â Time domain analysis
â Noise histogram analysis
General Description
The CDB5376 board is used to evaluate the functionality
and performance of the Cirrus Logic multichannel seis-
mic chip set. Data sheets for the CS3301, CS3302,
CS4373A, CS5371/72, and CS5376A devices should be
consulted when using the CDB5376 evaluation board.
Screw terminals connect external differential geophone
or hydrophone sensors to the analog inputs of the mea-
surement channels. An on-board test DAC creates
precision differential analog signals for in-circuit perfor-
mance testing without an external signal source.
The evaluation board includes an 8051-type microcon-
troller with hardware SPI⢠and USB serial interfaces.
The microcontroller communicates with the digital filter
via SPI and with the PC evaluation software via USB.
The PC software controls register and coefficient initial-
ization and performs time domain, histogram, and FFT
frequency analysis on captured data.
ORDERING INFORMATION
CDB5376
Evaluation Board
www.cirrus.com
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
MAR â06
DS612DB2
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