LTM2985

RECOMMENDED FOR NEW DESIGNS

Isolated High Accuracy Digital Temperature Measurement System with EEPROM

Data Sheet (Rev. A) Product Selection Table

Part Models: 2
1ku List Price: Starting From $23.38

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Part Details

5000V_RMS Isolated Power and SPI Interface
Directly Digitizes 2-, 3- or 4-Wire RTDs, Thermocouples, Thermistors and Diodes
10 Flexible Inputs Allow Interchanging Sensors
Automatic Thermocouple Cold Junction Compensation
Built-In Standard and User-Programmable Coefficients for Thermocouples, RTDs and Thermistors

Automatic Burn Out, Short-Circuit and Fault Detection
Buffered Inputs Allow External Protection
Simultaneous 50Hz/60Hz Rejection
Includes 15ppm/°C (Max) Reference
Includes Special Protection Modes
On-Chip EEPROM Stores Channel Configuration Data and Custom Coefficients

Part Models: 2
1ku List Price: Starting From $23.38

Documentation

Data Sheet 1

LTM2985: Isolated High Accuracy Digital Temperature Measurement System with EEPROM Data Sheet (Rev.A) 10/22/2021

User Guide 1

DC2872A - Demo Manual 10/21/2021

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTM2985CY#PBF	66-Lead (22mm × 15mm × 3.66mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTM2985IY#PBF	66-Lead (22mm × 15mm × 3.66mm)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

Device Drivers 1

LTC298x GitHub Linux Driver Source Code

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Evaluation Kits

LTM2985 Demo Board | Isolated High Accuracy Digital Temperature Measurement System with EEPROM

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Product Details

The DC2872A is an evaluation board for demonstrating the performance and ease of use of the LTM2985, an isolated 10-channel temperature measurement system on a chip, software compatible with the LTC2986-1. It provides 5kV isolated power and SPI interface to the precision temperature-to-bits converter.