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Texas Instruments ADS131M04 User Manual Download Page 6

J1

Pin 1

Pin 2

Pin 3

J2

Pin 1

Pin 2

Pin 3

J3

Pin 1

Pin 2

Pin 3

J4

Pin 1

Pin 2

Pin 3

EVM Analog Interface

www.ti.com

6

SBAU332A – March 2019 – Revised June 2019

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Copyright © 2019, Texas Instruments Incorporated

ADS131M04 Evaluation Module

Figure 3. Input Terminal Blocks and Headers (PCB)

Table 2. Analog Input Terminal Blocks, J1–J4

Terminal Block

Pin

Function

ADS131M04 Input Pin

J1

1

Channel 0 positive input

AIN0P

2

EVM ground

AGND and DGND

3

Channel 0 negative input

AIN0N

J2

1

Channel 1 positive input

AIN1P

2

EVM ground

AGND and DGND

3

Channel 1 negative input

AIN1N

J3

1

Channel 2 positive input

AIN2P

2

EVM ground

AGND and DGND

3

Channel 2 negative input

AIN2N

J4

1

Channel 3 positive input

AIN3P

2

EVM ground

AGND and DGND

3

Channel 3 negative input

AIN3N

Summary of Contents for ADS131M04

Page 1: ...wide dynamic range and internal calibration features making the device excellent for energy metering power quality protection relay and circuit breaker applications The ADS131M04EVM eases the evaluati...

Page 2: ...Wizard Prompts 12 8 LabVIEW Run Time Engine Installation 13 9 ADS131M04EVM GUI Folder Post Installation 14 10 ADS131M04EVM Hardware Setup and LED Indicators 14 11 Launch the EVM GUI Software 15 12 EV...

Page 3: ...2019 Texas Instruments Incorporated ADS131M04 Evaluation Module Trademarks LaunchPad BoosterPack are trademarks of Texas Instruments Windows is a registered trademark of Microsoft LabVIEW is a tradema...

Page 4: ...VM board 1 1 ADS131M04EVM Kit The ADS131M04 evaluation module kit includes the following features Hardware and software required for diagnostic testing as well as accurate performance evaluation of th...

Page 5: ...can be applied to J1 pins 1 and 3 For single ended inputs install a jumper on either JP1 1 2 or JP1 5 6 to connect an input to the EVM ground If the external voltage is applied through a series resist...

Page 6: ...and Headers PCB Table 2 Analog Input Terminal Blocks J1 J4 Terminal Block Pin Function ADS131M04 Input Pin J1 1 Channel 0 positive input AIN0P 2 EVM ground AGND and DGND 3 Channel 0 negative input AIN...

Page 7: ...xide semiconductor CMOS crystal oscillator Y1 provides the nominal 8 192 MHz clock frequency used in the high resolution HR mode of the device Two D flip flops U3 divide the Y1 clock output to produce...

Page 8: ...PI communication are supported Functions not supported are disabled in the EVM GUI software For more information about the SPI communication see the ADS131M04 data sheet 3 2 Connection to the PHI The...

Page 9: ...Pin SYNC RESET J6 1 DIN J6 2 CLK J6 3 CS J6 4 SCLK J6 5 DRDY J6 6 DOUT J6 7 GND J6 8 3 4 LaunchPad Connectors On the bottom side of the ADS131M04EVM board is a set of unpopulated surface mount connec...

Page 10: ...er supply for each active component on the EVM is bypassed with a ceramic capacitor placed close to that component Additionally the EVM layout uses thick traces or large copper fill areas where possib...

Page 11: ...er The default settings as listed in Table 8 includes no jumpers installed at JP5 JP7 and JP8 When installed JP5 disables the onboard oscillator JP7 enables the EEPROM for write and JP8 disables the l...

Page 12: ...Module Accept the license agreements and follow the on screen instructions shown in Figure 6 to complete the installation Figure 6 ADS131M04 Software Installation Prompts As a part of the ADS131M04EVM...

Page 13: ...luation Module NOTE A notice may appear on the screen stating that Windows cannot verify the publisher of this driver software Select Install this driver software anyway The ADS131M04EVM requires the...

Page 14: ...tion The following instructions are a step by step guide to connecting the ADS131M04EVM to the computer and evaluating the performance of the ADS131M04 1 Connect the ADS131M04EVM to the PHI Install th...

Page 15: ...AU332A March 2019 Revised June 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated ADS131M04 Evaluation Module 3 Figure 11 shows how to launch the ADS131M04EVM GUI softwar...

Page 16: ...s page shows a histogram of the collected data and displays basic statistics of the result The Single Commands section allows for direct control of the device for three basic functions First the Reset...

Page 17: ...e On power up the values on this page correspond to the Host Configuration Settings that enable ADC sampling at the maximum sampling rate specified for the ADC The register values can be edited by dou...

Page 18: ...h the ADC or drive circuits The user can trigger a capture of the data of the selected number of samples from the ADS131M04EVM as per the current interface mode settings indicated in Figure 14 by usin...

Page 19: ...ADC through single tone sinusoidal signal FFT analysis using the 7 term Blackman Harris window setting Figure 15 Spectral Analysis Tool The FFT tool includes windowing options that are required to mit...

Page 20: ...g from noise generated by the various sources connected to the ADC when measuring a DC signal The cumulative effect of noise coupling to the ADC output from sources such as the input drive circuits th...

Page 21: ...106K3RACTU Kemet H1 H2 2 Machine Screw Pan PHILLIPS M3 RM3X4MM 2701 APM HEXSEAL H3 H4 2 ROUND STANDOFF M3 STEEL 5MM 9774050360R Wurth Elektronik H5 H6 H7 H8 4 Bumpon Hemisphere 0 44 X 0 20 Clear Trans...

Page 22: ...or Solutions TP1 TP2 2 Test Point Miniature SMT Testpoint Keystone Miniature 5015 Keystone TP3 TP4 TP5 TP6 4 Terminal Turret TH Double Keystone1573 2 1573 2 Keystone U1 1 250 mA Ultra Low Noise Low IQ...

Page 23: ...luation Module Table 9 ADS131M04EVM Bill of Materials continued Designator Quantity Value Description Package Reference Part Number Manufacturer R17 R18 R19 R20 R21 R22 R23 R24 0 1 00k RES 1 00 k 1 0...

Page 24: ...ch 2019 Revised June 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated ADS131M04 Evaluation Module 7 2 PCB Layout Figure 17 through Figure 22 illustrate the ADS131M04EVM...

Page 25: ...B Layout and Schematic 25 SBAU332A March 2019 Revised June 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated ADS131M04 Evaluation Module Figure 20 Ground Layer 2 Figure...

Page 26: ...m 26 SBAU332A March 2019 Revised June 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated ADS131M04 Evaluation Module 7 3 Schematic Figure 23 and Figure 24 illustrate the...

Page 27: ...K 1D 2 7 1Q U3A 5 2CLK 6 2D 3 2Q U3B 8 VCC GND 4 U3C 1 1 3 3 5 5 7 7 9 9 11 11 13 13 15 15 17 17 19 19 21 21 23 23 25 25 27 27 29 29 31 31 33 33 35 35 37 37 39 39 41 41 43 43 45 45 47 47 49 49 51 51 5...

Page 28: ...Feedback Copyright 2019 Texas Instruments Incorporated Revision History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Orig...

Page 29: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Page 30: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 31: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 32: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Page 33: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Page 34: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

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