LM185-1.2-MD8

Description：IC VREF SHUNT 1.2V DIE
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:7b2527f73564 Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 1.2V DIE
Series：-
Mfr：Texas Instruments
Package：Tube
Output Type：Fixed
Voltage - Output (Min/Fixed)：1.2V
Voltage - Output (Max)：-
Current - Output：30 mA
Operating Temperature：-55°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：Die
Supplier Device Package：Die
Grade：-
Qualification：-

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LM185-1.2-MD8

Overview

The LM185-1.2-MD8 is a micropower voltage reference diode manufactured by Texas Instruments, belonging to the LM185 series. It provides a stable 1.2V output with an initial accuracy of 1% and a temperature coefficient of 150 ppm/°C. The device operates within a junction temperature range of -55°C to +125°C and supports a maximum shunt current of 20 mA. Packaged in a CDIP-8 configuration, it is designed for precision applications requiring low power consumption and high stability across wide thermal variations.

Feature Summary

Provides a precise 1.2V reference voltage suitable for calibration and measurement circuits
Operates reliably across an extended industrial temperature range from -55°C to +125°C
Features low power consumption characteristics ideal for battery-powered systems

Applications

Precision analog-to-digital converter (ADC) reference sources
Calibration equipment requiring stable voltage standards
Portable instrumentation with strict power constraints

Procurement Notes

Verify the specific suffix MD8 corresponds to the CDIP-8 package variant when sourcing. Confirm that the 1.2V fixed output version meets your circuit requirements, as other variants in the LM185 family offer adjustable or different fixed voltages. Ensure compatibility with through-hole mounting processes if utilizing the ceramic dual in-line package.

Selection Notes

Select this component when a fixed 1.2V reference is required with military-grade temperature specifications. The 1% initial accuracy is sufficient for general precision applications but may require trimming for ultra-high accuracy needs. Consider the 20 mA maximum shunt current limit when designing the biasing network to ensure stable operation without exceeding power dissipation limits.

Part Context

This part belongs to the LM185/LM285/LM385 family of micropower zener references. These devices are widely used in industrial and aerospace applications due to their long-term stability and low noise. The LM185 specifically denotes the military/extended temperature grade variant, offering enhanced reliability compared to commercial grades.