TEXAS INSTRUMENTS-LMP91200-Sensor-AFE-Evaluation-Board(1) Data Converters

LMP91200 Evaluation Board User Guide provides instructions on how to use the LMP91200 evalboard, including how to configure the LMP91200 through a 3-wire SPI interface and how to connect RTD (Pt100, Pt1000).

Brand: Texas Instruments
Category: Data Converters
Document type: User Manual
Language: English
Pages: 13
File format: PDF
File size: 559 KB
Published: 04 April, 2013
Updated: 30 September, 2023
MD5 checksum: 8E5231E168AE24681F1C82692919BFB7
PDF: TEXAS INSTRUMENTS-LMP91200-Sensor-AFE-Evaluation-Board(1) Data Converters PDF

About this manual

The LMP91200EVAL evaluation board allows users to configure the LMP91200 device via a 3-wire SPI interface and test it with real pH probes or external RTDs (such as Pt100 or Pt1000). The board supports connections for external reference resistors and diagnostic pulses.

What's inside

PH probe and RTD connection
Stand alone usage
Using as part of Sensor AFE evaluation platform
Connectors, Jumpers, Test Point
Schematic
Board Layout

Specifications

Supply Voltage Range	1.8V to 5.5V
Reference Voltage Limit	Cannot be bigger than VDD-EXT
Interface Type	3-wire SPI

Frequently asked questions

Can the LMP91200EVAL be used with external RTDs?

Yes, the external RTD can be connected to the RTD_IN connector.

What connectors are used for the pH probe?

The pH probe connects to the BNC connector labeled PH_SENSOR.

How is the board powered in standalone mode?

Connect a supply voltage between VDD-EXT and GND banana plugs.

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