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PDF CDB5376 Data sheet ( Hoja de datos )
| Número de pieza | CDB5376 | |
| Descripción | Multichannel Seismic Evaluation System | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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CDB5376
Multichannel Seismic Evaluation System
Features
z 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
z On-board Microcontroller
– SPI™ interface to digital filter
– USB communication with PC
z PC Evaluation Software
– Register setup & control
– FFT frequency analysis
– Time domain analysis
– 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 ‘06
DS612DB2
1 page  
CDB5376
1. INITIAL SETUP
1.1 Kit Contents
The CDB5376 evaluation kit includes:
• CDB5376 Evaluation Board
• USB Cable (A to B)
• Software Download Information Card
The following are required to operate CDB5376, and are not included:
• Bipolar Power Supply with Banana Jack Outputs (+/-12 V @ 100 mA)
• Banana Jack Cables (4x)
• PC Running Windows 2000 or XP with an Available USB Port
• Internet Access to Download the Evaluation Software
1.2 Hardware Setup
To set up the CDB5376 evaluation board:
• Set all jumpers and DIP switches to their default settings (see next sections).
• With power off, connect the CDB5376 power inputs to the power supply outputs.
VA- = -12 V
VA+ = +12 V
GND = 0 V
VD = +12 V
• Connect the USB cable between the CDB5376 USB connector and the PC USB port.
• Proceed to the Software Setup section to install the evaluation software and USB driver.
DS612DB2
5
5 Page 
CDB5376
1.4 Self-testing CDB5376
Noise and distortion self-tests can be performed once hardware and software setup are complete.
First, initialize the CDB5376 evaluation system:
• Launch the evaluation software and apply power to CDB5376.
• Click ‘OK’ on the About panel to get to the Setup panel.
• On the Setup panel, select Open Target on the USB Port sub-panel.
• When connected, the Board Name and MCU code version will be displayed.
1.4.1 Noise test
Noise performance of the measurement channel can be tested as follows:
• Set the controls on the Setup panel to match the picture:
DS612DB2
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CDB5376.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CDB5376 | Multichannel Seismic Evaluation System | Cirrus Logic |
| CDB5378 | Single-channel Seismic Evaluation System | Cirrus Logic |
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