LT1025ACJ8

Sensor And Detector Interfaces Overview

The LT1025ACJ8 is a board-mount temperature sensor IC manufactured by Analog Devices Inc., specifically designed as a microprocessor thermocouple cold junction compensator. It operates within a supply voltage range of 4 V to 36 V and maintains an accuracy of +/- 0.5 C. The device features a remote configuration capability and draws a typical operating power supply current of 80 uA. It is housed in a PDIP-8 package with through-hole mounting style, suitable for industrial environments with a minimum operating temperature of 0 C and a maximum of +70 C.

Sensor And Detector Interfaces Feature Summary

• Integrated cold junction compensation for thermocouple applications
• Remote temperature sensing configuration support
• Low power consumption design with minimal quiescent current

Sensor And Detector Interfaces Applications

• Thermocouple signal conditioning circuits
• Industrial process control temperature measurement
• Microprocessor-based thermal monitoring systems

Sensor And Detector Interfaces Procurement Notes

Verify the specific ACJ8 suffix against official Analog Devices documentation to confirm pinout compatibility and temperature grade specifications before integration. Ensure that the PDIP-8 package dimensions align with the target PCB footprint requirements. Cross-reference the datasheet revision history to validate electrical characteristics against the intended application environment.

Sensor And Detector Interfaces Selection Notes

Select this component when high accuracy cold junction compensation is required for thermocouple interfaces without external discrete components. Consider the 4 V to 36 V supply range for flexibility in various system architectures. Evaluate the 80 uA current draw against total system power budgets. Confirm that the 0 C to +70 C operating range meets the environmental constraints of the deployment location.

Sensor And Detector Interfaces Part Context

The LT1025 series represents Analog Devices' specialized solutions for simplifying thermocouple measurements. This part integrates the necessary compensation circuitry directly into the sensor interface, reducing bill-of-materials complexity. It serves as a dedicated interface between analog thermocouple outputs and digital conversion stages in precision instrumentation.

Sensor And Detector Interfaces FAQ

What is the primary function of the LT1025ACJ8?

It functions as a cold junction compensator for thermocouples, providing accurate temperature reference data for signal conditioning.

Does the LT1025ACJ8 support remote sensing?

Yes, the device supports a remote configuration, allowing the thermocouple connection point to be separated from the compensation circuit.

What is the operating supply voltage range?

The device operates with a supply voltage ranging from 4 V to 36 V.