Texas Instruments LMP90100 Sensor AFE Evaluation Board LMP90100EB/NOPB LMP90100EB/NOPB Datenbogen

Texas Instruments

Produktcode

LMP90100EB/NOPB

User’s Guide

August 2012

LMP90100 EVB User’s Guide

August 2012

LMP90100EVB User’s Guide

1

User’s Guide for the LMP90100 Evaluation Board with Sensor
AFE Software

Table of Contents

1.0. INTRODUCTION ........................................................................................................ 2

2.0. EQUIPMENT ............................................................................................................... 2

2.1. CONNECTION DIAGRAM .......................................................................................... 2

2.2. BOARD ASSEMBLY .................................................................................................... 4

3.0. EXAMPLE #1: QUICK START – DC READING ........................................................ 5

4.0. EXAMPLE #2: SHORTED INPUT AND CALIBRATION TEST ............................... 10

5.0. EXAMPLE #3 - 3-WIRE RTD APPLICATION .......................................................... 15

6.0. EXAMPLE #4: THERMOCOUPLE AND LM94022 APPLICATION ........................ 21

7.0. POWERING THE LMP90100EB ............................................................................... 31

8.0. EVALUATING THE LMP90100 WITHOUT THE SPIO-4 BOARD. ........................ 31

9.0. INSTALLING THE LMP90100 SENSOR AFE SOFTWARE ..................................... 32

10.0. SCHEMATIC ........................................................................................................... 36

11.0. LAYOUT .................................................................................................................. 37

12.0. BOM ......................................................................................................................... 39