Datasheet Analog Devices LTC2984 — 数据表

LTC2984
Multi-Sensor High
Accuracy Digital Temperature
Measurement System with EEPROM
DESCRIPTION FEATURES Directly Digitizes 2-, 3-, or 4-Wire RTDs,
Thermocouples, Thermistors, and Diodes
nn On-Chip EEPROM Stores Channel Configuration Data
and Custom Coefficients
nn Single 2.85V to 5.25V Supply
nn 20 Flexible Inputs Allow Interchanging Sensors
nn Automatic Thermocouple Cold Junction Compensation
nn Built-In Standard and User-Programmable Coefficients
for Thermocouples, RTDs and Thermistors
nn Measures Negative Thermocouple Voltages
nn Automatic Burn Out, Short-Circuit and Fault Detection
nn Buffered Inputs Allow External Protection
nn Simultaneous 50Hz/60Hz Rejection
nn Includes 15ppm/°C (Max) Reference (I-Grade)
nn The LTC 2984 measures a wide variety of temperature
sensors and digitally outputs the result, in °C or °F, with
0.1°C accuracy and 0.001°C resolution. The LTC2984 can
measure the temperature of virtually all standard (type B,
E, J, K, N, S, R, T) or custom thermocouples, automatically …