CDB5471 Datasheet, PDF (1/26 Pages) Cirrus Logic – Evaluation Board and Software

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CDB5471
CDB5471 Evaluation Board and Software
Features
l Direct Shunt Sensor and Current
Transformer Interface for 3-Phase
Power
l On-Board Voltage Reference
l On-board crystal for XIN
l Digital Interface to PC
l Lab Windows/CVI^™ Evaluation
Software
- “Real-Time” RMS calculation
- FFT Analysis
- Time Domain Analysis
- Noise Histogram Analysis
General Description
The CDB5471 is an inexpensive tool designed to evalu-
ate the functionality/performance of the CS5471 2-
channel A/D Converter. In addition to this data sheet, the
CS5471 Data Sheet is required in conjunction with the
CDB5471 Evaluation Board.
Two terminal-block connectors serve as inputs to the
CS5471’s two analog input pairs. The CDB5471 in-
cludes an optional voltage reference source for CS5471.
A 4.096MHz crystal is provided as a source for CS5471’s
XIN pin, or an external clock source can be supplied by
the user. Digital output data from the CS5471 is trans-
ferred to the user’s IBM-compatible PC via the included
25-pin parallel port cable.
The CDB5471 includes PC software, allowing the user to
perform data capture (includes option for time domain
analysis, histogram analysis, and frequency domain
analysis). The software also allows real-time RMS calcu-
lation/analysis to be performed simultaneously on the
instantaneous data from both channels.
ORDERING INFORMATION
CDB5471
Evaluation Board
VIN1+
VIN1-
IIN1+
IIN1-
VIN2+
VIN2-
IIN2+
IIN2-
VIN3+
VIN3-
IIN3+
IIN3-
V_REF
VA-
VA+
+5 VIN
GND
VD+
Charge
Pump
Circuitry
3V
Regulator
(Not Populated)
Control Switches
CPD _VA-
VA+
GAIN
OWRS
RESET
FSO
SDO
CLK
SE
CS5451
XIN
V_REF
IN
OUT
Voltage
Reference
Header
Reset Circuit
Serial-to-
Parallel
Interface
Crystal
4.096 MHz
To PC
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
P.O. Box 17847, Austin, Texas 78760
[phone] FAX: [phone]
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2001
(All Rights Reserved)
FEB ‘01
DS480DB1
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