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SNAU229 – December 2017

Submit Documentation Feedback

Copyright © 2017, Texas Instruments Incorporated

BOOSTXL-ADS7841-Q1 BoosterPack™ User's Guide

User's Guide

SNAU229 – December 2017

BOOSTXL-ADS7841-Q1 BoosterPack™ User's Guide

The ADS7841-Q1 BoosterPack™ (BOOSTXL-ADS7841-Q1) allows users to evaluate the functionality of
Texas Instruments' ADS7841-Q1 SAR ADC. The ADS7841-Q1 is a 12-bit, 4-channel, automotive qualified
SAR ADC. This user’s guide describes both the hardware platform with an ADS7841-Q1 device, and the
graphical user interface (GUI) software used to configure the various modes of operation of this device.

Contents

1

Introduction

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2

2

BOOSTXL-ADS7841-Q1 EVM Overview

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4

3

BOOSTXL-ADS7841-Q1EVM EVM Setup

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6

4

BOOSTXL-ADS7841-Q1 EVM GUI Operation

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14

5

Bill of Materials, Printed-Circuit Board Layout, and Schematics

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19

List of Figures

1

BOOSTXL-ADS7841-Q1 EVM Block Diagram

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3

2

BOOSTXL-ADS7841-Q1EVM Top Level Overview

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4

3

BOOSTXL-ADS7841-Q1 EVM GUI Installation

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6

4

BOOSTXL-ADS7841-Q1 EVM Driver Installation

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7

5

TM4C1294 LaunchPad™ Stellaris Virtual Serial Port and ICDI Driver

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8

6

TM4C1294 LaunchPad™ Software Programming Setup

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9

7

TM4C1294 LaunchPad™ selection in Configuration Tab

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10

8

TM4C1294 LaunchPad™ Programming Using LM Flash Programmer

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11

9

TMC1294 LaunchPad™ VIA BoosterPack Driver

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12

10

BOOSTXL-ADS7841-Q1EVM stacked on TM4C1294 LaunchPad™

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13

11

ADS7841-Q1EVM GUI Landing Page

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14

12

AIN0 (Channel0) Voltage

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15

13

AIN3 (Channel3) Voltage

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16

14

Frequency Domain Analysis Page

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17

15

BOOSTXL-ADS7841-Q1 Top Layer Routing

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20

16

BOOSTXL-ADS7841-Q1 Ground Layer

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21

17

BOOSTXL-ADS7841-Q1 Power Layer

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22

18

BOOSTXL-ADS7841-Q1 Bottom Layer Routing

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23

19

BOOSTXL-ADS7841-Q1 EVM Schematic Diagram

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24

List of Tables

1

Input Connector and Channel Configuration

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4

2

Bill of Materials

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19

Trademarks

BoosterPack, LaunchPad, TM4C1294 LaunchPad are trademarks of Texas Instruments.

Содержание BoosterPack BOOSTXL-ADS7841-Q1

Страница 1: ...1 BOOSTXL ADS7841 Q1 EVM Block Diagram 3 2 BOOSTXL ADS7841 Q1EVM Top Level Overview 4 3 BOOSTXL ADS7841 Q1 EVM GUI Installation 6 4 BOOSTXL ADS7841 Q1 EVM Driver Installation 7 5 TM4C1294 LaunchPad S...

Страница 2: ...and analysis If the TM4C1294 LaunchPad is not used the BoosterPack plug in module format of the BOOSTXL ADS7841 Q1 board allows an alternative external host to communicate with the ADS7841 Q1 The BOO...

Страница 3: ...com Introduction 3 SNAU229 December 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated BOOSTXL ADS7841 Q1 BoosterPack User s Guide Figure 1 BOOSTXL ADS7841 Q1 EVM Block D...

Страница 4: ...ces through a 100 mil header Connector J10 allows analog source connectivity Table 1 lists the analog input connector and input channel configuration Table 1 Input Connector and Channel Configuration...

Страница 5: ...der circuit formed by R35 R36 see schematic in Figure 19 Please ensure Jumper J15 shunts are disconnected when using J10 3 as AIN3 input 2 2 Voltage Reference The BOOSTXL ADS7841 Q1 EVM has two source...

Страница 6: ...Software Installation The following steps describe the BOOSTXL ADS7841 Q1 EVM GUI software installation 1 Download the latest version of the EVM graphical user interface GUI installer from the Tools...

Страница 7: ...ted BOOSTXL ADS7841 Q1 BoosterPack User s Guide 3 As a part of the BOOSTXL ADS7841 Q1 EVM GUI installation a prompt with a Device Driver Installation Wizard appears on the screen see Figure 4 Click th...

Страница 8: ...17 Texas Instruments Incorporated BOOSTXL ADS7841 Q1 BoosterPack User s Guide 4 Open the computer s Device Manager You must be able to see the Stellaris Virtual Serial Port and Stellaris In Circuit De...

Страница 9: ...tions with the BOOSTXL ADS7841 Q1 EVM The following steps describe the programming of this firmware on the flash memory 1 Download the latest version of LM Flash Programmer The LM Flash Programmer is...

Страница 10: ...Feedback Copyright 2017 Texas Instruments Incorporated BOOSTXL ADS7841 Q1 BoosterPack User s Guide 3 Launch the LM Flash Programmer In the Configuration tab select TM4C1294XL LaunchPad from the drop d...

Страница 11: ...er s Guide 4 From the Program tab program the TM4C1294 with the BOOSTXL ADS7841 Q1 EVM firmware as shown in Figure 8 Figure 8 TM4C1294 LaunchPad Programming Using LM Flash Programmer 5 After programmi...

Страница 12: ...against connector X6 and connector J4 J2 on BOOSTXL ADS7841 Q1EVM is mapped against connector X7 on the TM4C1294 LaunchPad Pin 1 of BOOSTXL ADS7841 Q1EVM must align with pin 1 of connector X6 on the...

Страница 13: ...bmit Documentation Feedback Copyright 2017 Texas Instruments Incorporated BOOSTXL ADS7841 Q1 BoosterPack User s Guide 5 Figure 10 shows the assembled BOOSTXL ADS7841 Q1EVM and TM4C1294 LaunchPad confi...

Страница 14: ...1 Q1 EVM GUI This page provides a high level overview of the ADS7841 Q1 device The left corner shows the tabs required to navigate to the BOOSTXL ADS7841 Q1 EVM GUI Home and Analysis pages When the TM...

Страница 15: ...V is set as 4 5V 4 2 1 Measure AIN0 Channel0 Voltage This section describes the steps involved in selecting and measuring AIN0 Channel0 voltage 1 Make sure following shunt is in place on the BOOSTXL...

Страница 16: ...f the 5V supply voltage using simple resistor divider circuit formed by R35 R36 see schematic in Figure 19 1 Make sure following shunts are in place on the BOOSTXL ADS7841 Q1 EVM J13 between 2 and 3 s...

Страница 17: ...m FFT of the captured data and displays the resulting frequency domain plots of the selected channel of ADS7841 This page also calculates key ADC dynamic performance parameters such as signal to noise...

Страница 18: ...a window weighing function can be applied to the data to minimize spectral leakage The following options are available Rectangular Hamming Hann Blackman 7 Term Blackman Harris For a more thorough dis...

Страница 19: ...2 J4 2 Receptacle 2 54mm 10x2 Tin TH SSQ 110 03 T D Samtec J5 J8 J12 3 Header 100mil 2x1 Tin TH PEC02SAAN Sullins Connector Solutions J10 1 Header 100mil 3x2 Gold TH TSW 103 07 G D Samtec J13 1 Header...

Страница 20: ...ITAL CONVERTER DBQ0016A SSOP 16 ADS7841ESQDBQRQ1 Texas Instruments U9 1 Automotive Catalog Low Noise Very Low Drift Precision Voltage Reference 40 to125 degC 8 pin SOIC D Green RoHS no Sb Br REF5045AQ...

Страница 21: ...rinted Circuit Board Layout and Schematics 21 SNAU229 December 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated BOOSTXL ADS7841 Q1 BoosterPack User s Guide Figure 16 BO...

Страница 22: ...cuit Board Layout and Schematics www ti com 22 SNAU229 December 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated BOOSTXL ADS7841 Q1 BoosterPack User s Guide Figure 17 B...

Страница 23: ...ed Circuit Board Layout and Schematics 23 SNAU229 December 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated BOOSTXL ADS7841 Q1 BoosterPack User s Guide Figure 18 BOOSTX...

Страница 24: ...yout and Schematics www ti com 24 SNAU229 December 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated BOOSTXL ADS7841 Q1 BoosterPack User s Guide 5 3 Schematics Figure 19...

Страница 25: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Страница 26: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Страница 27: ...t the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the...

Страница 28: ...OST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF...

Страница 29: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

Страница 30: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BOOSTXL ADS7841 Q1...

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