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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
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