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Contents

1

EVM Overview

............................................................................................................... 3

2

Analog Interface

.............................................................................................................. 4

3

Digital Interface

.............................................................................................................. 4

4

Power Supplies

.............................................................................................................. 6

5

Voltage Reference

........................................................................................................... 7

6

Power-Down, Mode and Format Control

................................................................................. 8

7

Clock Source

................................................................................................................. 8

8

EVM Operation

............................................................................................................... 9

9

ADS1274EVM-PDK Kit Operation

....................................................................................... 12

10

Evaluating Performance with the ADCPro Software

................................................................... 24

11

Schematics and Layout

.................................................................................................... 28

List of Figures

1

ADS1274EVM (Left) and ADS1274EVM-PDK (Right)

.................................................................. 1

2

Connector J2

................................................................................................................. 5

3

Connectors J15, J16

........................................................................................................ 7

4

Connector J1

................................................................................................................. 7

5

Switch S1

..................................................................................................................... 7

6

Jumper J19

................................................................................................................... 9

7

Amplifier Selection Switches

............................................................................................... 9

8

ADS1274EVM Default Jumper Locations

............................................................................... 11

9

MMB0 Initial Setup

........................................................................................................ 13

10

Connecting ADS1274EVM to MMB0

................................................................................... 14

11

Connecting an AC Adapter

............................................................................................... 15

12

Laboratory Power-Supply Connection

................................................................................... 16

13

NI-VISA Driver Installation

................................................................................................ 17

14

NI-VISA Driver Installation Question

.................................................................................... 18

15

NI-VISA Driver Installing

.................................................................................................. 18

16

NI-VISA Driver Complete Installation

................................................................................... 19

17

NI-VISA Driver Verification Using Device Manager

................................................................... 19

18

ADCPro Software Start-up Display Window

............................................................................ 20

19

ADS1274EVM-PDK Plug-In Display Window

........................................................................... 21

20

Install New Driver Wizard Screen 1

...................................................................................... 22

21

Install New Driver Wizard Screen 2

...................................................................................... 22

22

Install New Driver Wizard Screen 3

...................................................................................... 23

23

Install New Driver Wizard Screen 4

...................................................................................... 23

24

Install New Driver Wizard Screen 5

...................................................................................... 24

25

USBSytx Driver Verification Using Device Manager

.................................................................. 24

26

Channel Enable

............................................................................................................. 25

27

Manual Channel Control

................................................................................................... 25

28

Clock Settings and Mode

.................................................................................................. 26

29

Operating Mode

............................................................................................................ 26

30

Output Data Format

........................................................................................................ 27

31

Progress Bar While Collecting Data

..................................................................................... 27

List of Tables

1

J9/J7:Analog Interface Pinout

.............................................................................................. 4

2

J5: Serial Interface Pins

..................................................................................................... 4

3

J3 Configuration: Power-Supply Input

.................................................................................... 6

4

J15 +10V Selection

.......................................................................................................... 6

5

J16 –10V Selection

.......................................................................................................... 6

6

List of Switches

............................................................................................................. 11

7

Operating Modes: Clock Frequency

..................................................................................... 26

2

ADS1174EVM, ADS1274EVM, ADS1174EVM-PDK, and ADS1274EVM-PDK

SBAU134A – August 2008 – Revised May 2009

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