CDB5524 datasheet, PDF - EEWORLD Datasheet

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CDB5524: Descriptioneval board for cs5524 adc; CategoryDevelopment board/suite/development tools; File Size1MB，28 Pages; ManufacturerCirrus Logic; Websitehttp://www.cirrus.com

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eval board for cs5524 adc

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CDB5521/22/23/24/28

CDB5521/22/23/24/28 Evaluation Board and Software

Features

Evaluation

General Description

The CDB5521/22/23/24/28 is an inexpensive tool de-

signed to evaluate the performance of the CS5521,

CS5522, CS5523, CS5524, and CS5528 Analog-to-Dig-

ital Converters (ADC).

The evaluation board includes a 2.5 V voltage reference,

an 80C51 microcontroller, an RS232 driver/receiver, and

firmware. The 8051 controls the serial communication

between the evaluation board and the PC via the firm-

ware, thus, enabling quick and easy access to all of the

CS5521/22/23/24/28’s registers.

The CDB5521/22/23/24/28 also includes one installed

ADC sample, and software for Data Capture, Time Do-

main Analysis, Histogram Analysis, and Frequency

Domain Analysis.

ORDERING INFORMATION

CDB5521/22/23/24/28

Evaluation Board

Board and Software Supports All

Chips: CS5521, CS5522, CS5523, CS5524,

and CS5528

Direct Thermocouple Interface

RS-232 to PC With Test Modes

On-board 80C51 Microcontroller

On-board Voltage Reference

Lab Windows/CVI

Evaluation Software

– Register Setup & Chip Control

– Data Capture

– FFT Analysis

– Time Domain Analysis

– Noise Histogram Analysis

On-board

Charge Pump Drive Circuitry

-5 ANALOG

+5 ANALOG

AGND

DGND

+5 DIGITAL

VOLTAGE

REFERENCE

REF+

REF-

AIN1+

AIN1-

AIN2+

AIN2-

AIN3+

AIN3-

AIN4+

AIN4-

NBV

CPD

NBV DRIVE

CIRCUITRY

CRYSTAL

32.768 kHz

CRYSTAL

11.0592 MHz

RESET

CIRCUITRY

SDI

SDO

SCLK

CS5521

CS5522

CS5523

CS5524

CS5528

TEST

SWITCHES

on off

LEDs

80C51

Microcontroller

RS232

CONNECTOR

RS232

DRIVER/RECEIVER

Preliminary Product Information

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.cirrus.com

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

Cirrus Logic, Inc. 2000

MAY ‘00

DS317DB2

CDB5521/22/23/24/28

TABLE OF CONTENTS

1. PART I: HARDWARE ............................................................................................................... 4

1.1 Introduction ........................................................................................................................ 4

1.3 Using the Evaluation Board ............................................................................................... 8

1.4. Power Connections ........................................................................................................... 8

1.5 Negative Bias Voltage ........................................................................................................ 8

1.6 Software ............................................................................................................................. 9

1.7. Writing Your Own Interface Software ................................................................................ 9

2. PART II: SOFTWARE ............................................................................................................. 13

2.1 Installation Procedure ...................................................................................................... 13

2.3 Menu Bars Overview ........................................................................................................ 14

2.4 Setup Window Overview .................................................................................................. 15

2.5 Data FIFO Window Overview .......................................................................................... 15

2.6 Histogram Window Overview ........................................................................................... 16

2.7 Frequency Domain Window (i.e. FFT) ............................................................................. 17

2.8 Time Domain Window Overview ...................................................................................... 18

2.9 Calibration Window Overview .......................................................................................... 19

2.10 Trouble Shooting the Evaluation Board ......................................................................... 19

LIST OF FIGURES

Figure 1. CS5522 Analog Section ................................................................................................... 5

Figure 2. CS5524/28 Analog Section .............................................................................................. 6

Figure 3. Digital Section .................................................................................................................. 7

Figure 4. Power Supplies ................................................................................................................ 8

Figure 5. Main Menu ..................................................................................................................... 21

Figure 6. Setup Window ................................................................................................................ 21

Figure 7. Data FIFO Window......................................................................................................... 22

Figure 8. Frequency Domain Analysis .......................................................................................... 22

Figure 9. Calibration Menu ............................................................................................................ 23

Figure 10. Time Domain Analysis ................................................................................................. 23

Figure 11. Histogram Analysis (Using the CS5524 with default register settings and

24-bit output words) ...................................................................................................... 24

Figure 12. CDB5521/22/23/24/28 Component Side Silkscreen .................................................... 25

Contacting Cirrus Logic Support

For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:

http://www.cirrus.com/corporate/contacts/

IBM, AT and PS/2 are trademarks of International Business Machines Corporation.

Windows is a trademark of Microsoft Corporation.

Lab Windows and CVI are trademarks of National Instruments.

SPI

is a trademark of Motorola.

MICROWIRE

is a trademark of National Semiconductor.

Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance product infor-

mation describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts to ensure that the information

contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided “AS IS” without warranty of

any kind (express or implied). No responsibility is assumed by Cirrus Logic, Inc. for the use of this information, nor for infringements of patents or other rights

of third parties. This document is the property of Cirrus Logic, Inc. and implies no license under patents, copyrights, trademarks, or trade secrets. No part of

this publication may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photographic, or

otherwise) without the prior written consent of Cirrus Logic, Inc. Items from any Cirrus Logic website or disk may be printed for use by the user. However, no

part of the printout or electronic files may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical,

photographic, or otherwise) without the prior written consent of Cirrus Logic, Inc.Furthermore, no part of this publication may be used as a basis for manufacture

or sale of any items without the prior written consent of Cirrus Logic, Inc. The names of products of Cirrus Logic, Inc. or other vendors and suppliers appearing

in this document may be trademarks or service marks of their respective owners which may be registered in some jurisdictions. A list of Cirrus Logic, Inc. trade-

marks and service marks can be found at http://www.cirrus.com.

DS317DB2

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