Texas Instruments

LMT84DCKR

The LMT84DCKR is a precision low drift operational amplifier (op-amp) manufactured by Texas Instruments. Here is a description of the model, its features, and applications:

Description:

The LMT84DCKR is a member of the LMV/LMR series of op-amps, which are designed for use in precision applications that require low input offset voltage, low input bias current, and low drift over time and temperature. The LMT84DCKR is available in a small 8-pin SOIC package.

Features:

1. Precision low drift: The LMT84DCKR has a low input offset voltage drift of 0.2 μV/°C and a low input bias current drift of 0.05 pA/°C.
2. Low input offset voltage: The input offset voltage is typically 75 μV maximum.
3. Low input bias current: The input bias current is typically 20 pA.
4. Wide supply voltage range: The LMT84DCKR can operate with a supply voltage range of 4.5 V to 36 V.
5. Low noise: The op-amp has a low input voltage noise of 4.3 nV/√Hz.
6. High output drive: The LMT84DCKR can drive capacitive loads up to 10 pF.
7. Short circuit protection: The op-amp has built-in protection against output short circuits.

Applications:

1. Strain gauge amplifiers: The LMT84DCKR is suitable for use in strain gauge amplifiers due to its low drift and low input offset voltage.
2. Medical instruments: The precision and low noise characteristics of the LMT84DCKR make it suitable for use in medical instruments such as blood pressure monitors and pulse oximeters.
3. pH meters: The LMT84DCKR can be used in pH meters to provide accurate and stable measurements.
4. Temperature sensors: The low drift and low input offset voltage of the LMT84DCKR make it suitable for use in temperature sensors.
5. Precision DC amplifiers: The LMT84DCKR can be used in precision DC amplifiers that require low input offset voltage and low drift over time and temperature.
6. Audio applications: The low noise characteristics of the LMT84DCKR make it suitable for use in audio applications such as microphone preamplifiers and audio mixers.

In summary, the LMT84DCKR is a precision low drift operational amplifier that is suitable for use in a wide range of precision applications. Its low input offset voltage, low input bias current, low drift, and low noise characteristics make it an ideal choice for applications that require high accuracy and stability.