Texas Instruments

LMT84DCKT

The LMT84DCKT is a precision micropower voltage superrail-to-rail output amplifier offered by Texas Instruments. It is designed for use in a wide range of applications, including battery-powered and portable equipment, where low power consumption and high precision are required.

Description:

The LMT84DCKT is a single-channel, low-power operational amplifier (op-amp) with a rail-to-rail input and output. It features a precision voltage reference and is available in an 8-pin dual-in-line package (DIP).

Features:

1. Ultra-low power consumption: The LMT84DCKT consumes only 85µA of supply current, making it ideal for battery-powered applications.
2. Precision voltage reference: The device includes an internal 2.5V precision reference, which can be used for accurate voltage level shifting or as a stable reference for other circuits.
3. Rail-to-rail input and output: The LMT84DCKT can operate with input signals that go all the way to the supply rails, and it can also drive its output to within a few millivolts of the supply rails.
4. Low input offset voltage: The input offset voltage of the LMT84DCKT is typically ±2mV, which ensures high accuracy in applications that require precise amplification.
5. Low drift: The LMT84DCKT has a low input offset voltage drift, typically 1µV/°C, which is beneficial for maintaining accuracy over temperature variations.
6. Wide supply voltage range: The device can operate with a supply voltage range of 2.7V to 10V, making it suitable for various power supply configurations.

Applications:

1. Battery-powered equipment: Due to its low power consumption, the LMT84DCKT is well-suited for use in battery-powered devices, such as portable instruments, data loggers, and wireless sensors.
2. Precision measurement: The LMT84DCKT's low input offset voltage and drift make it suitable for precision measurement applications, such as temperature sensing, pressure sensing, and strain gauge measurements.
3. Medical equipment: The device's precision and low power consumption make it suitable for medical equipment, such as blood pressure monitors, glucometers, and other portable medical devices.
4. Industrial control systems: The LMT84DCKT can be used in industrial control systems for signal conditioning, level shifting, or as part of a feedback loop in a control circuit.
5. Audio equipment: The low noise and precision characteristics of the LMT84DCKT make it suitable for use in audio equipment, such as headphone amplifiers, microphone preamps, and audio mixers.

In summary, the LMT84DCKT is a low-power, precision operational amplifier with rail-to-rail input and output capabilities, making it an excellent choice for a wide range of applications where power consumption and accuracy are critical.