Cirrus-logic CDB5466U Bedienungsanleitung

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1
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
http://www.cirrus.com
VIN+
VIN-
IIN+
IIN-
REF+
+2.5 V
Reference
CS5466
E2
VREFOUT
VREFIN
FOUT
NEG
CONFIGURATION JUMPERS
IGAIN0
IGAIN1
FREQ0
FREQ1
C8051F320
Microcontroller
E1
USB
HPF
XIN
XOUT
4.096MHz
FREQ2
VIN+
VIN-
IIN+
IIN-
E1 E2 FOUT NEG
VREF SOURCE
Vu+ EXT
VD+ EXTGND
+5V
\
CDB5466U
CDB5466U Evaluation Board
Features
Active Energy-to-Pulse Conversions
Simple Configuration Jumpers
Current Channel Gain
High-pass Filter
Energy-to-pulse Output Frequency
Energy Pulses
Collected by On-board Microcontroller
Available on External Header
Viewable via LEDs
Multiple Supply Voltage Selections
USB Communication with PC
On-board Voltage Reference
General Description
The CS5466 is a low cost power/energy IC with pulse
output for power measurement solutions. The
CDB5466U Evaluation Board is an inexpensive tool
designed to evaluate the functionality and perfor-
mance of the CS5466.
The evaluation board is designed to output energy-to-
pulse conversions upon power-up. The CS5466 data
sheet should be read and consulted when using the
CDB5466U evaluation board.
The evaluation board includes a microcontroller with a
USB interface. The microcontroller and GUI (Graphi-
cal User Interface) provide a means to quickly register
and evaluate the CS5466’s energy-to-pulse outputs.
ORDERING INFORMATION
CDB5466U Evaluation Board
MAY ‘05
DS676DB1
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Inhaltsverzeichnis

Seite 1 - CDB5466U Evaluation Board

1Copyright © Cirrus Logic, Inc. 2005(All Rights Reserved)http://www.cirrus.comVIN+VIN-IIN+IIN-REF++2.5 VReferenceCS5466E2VREFOUTVREFINFOUTNEGCONFIGURA

Seite 2

CDB5466U10 DS676DB12.2.1.1 SetupSetup presents the communication connections available to the CDB5466U Evaluation Board. The CDB5466U hasone connectio

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CDB5466UDS676DB1 112.2.1.3 MenuMenu allows one selection option, Pulse Rate Window. The Pulse Rate Window provides a means to register theenergy-to-pu

Seite 4

CDB5466U12 DS676DB1In the CS5466 Pulse Rate Output Window, the Pulse Count, Frequency, Average Freq and Standard Deviation aredisplayed for the three

Seite 5

CDB5466UDS676DB1 133. SCHEMATICS Figure 7. Analog Inputs

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CDB5466U14 DS676DB1Figure 8. CS546x and Socket

Seite 7

CDB5466UDS676DB1 15 Figure 9. CS5462 and CS5466 Configuration

Seite 8

CDB5466U16 DS676DB1Figure 10. Microcontroller and USB Interface

Seite 9

CDB5466UDS676DB1 17 Figure 11. Power SupplyFigure 1. Silk Screen

Seite 10

CDB5466U18 DS676DB14. LAYOUTFigure 1. Topside Layer

Seite 11

CDB5466UDS676DB1 19Figure 1. Bottomside Layer

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CDB5466U2 DS676DB1TABLE OF CONTENTS LIST OF FIGURES ...

Seite 13

CDB5466U20 DS676DB1

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CDB5466UDS676DB1 21 Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To find one

Seite 15

CDB5466UDS676DB1 31. HARDWARE1.1 IntroductionThe CS5466 is a low cost power measurement solution combining two ∆Σ analog-to-digital converters (ADCs),

Seite 16

CDB5466U4 DS676DB1The CDB5466U evaluation board is partitioned into two main sections - analog and digital. The analog section con-sists of the CS5466

Seite 17

CDB5466UDS676DB1 5to position VIN+, J22 to position VN-, J24 to position IIN+ and J26 to position IIN-, the input voltage signal is suppliedfrom the s

Seite 18

CDB5466U6 DS676DB11.2.2.2 High-pass FilterBy removing the offset from either channel, no error component will be generated at DC when computing the ac

Seite 19

CDB5466UDS676DB1 71.2.2.4 Selecting Frequency of E1 and E2The pulse rate on E1 and E2 can be set to one of four frequency ranges. Input pins FREQ1 and

Seite 20

CDB5466U8 DS676DB11.2.3 Power Supply SectionTable 7 illustrates the power supply connections to the evaluation board. The +5 binding post (J3) supplie

Seite 21

CDB5466UDS676DB1 92. SOFTWAREThe evaluation board comes with a USB cable to link the evaluation board to the PC. The evaluation software isavailable f

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