STMicroelectronics

LM211DT

The LM211DT is a high-precision, low-power, dual operational amplifier (op-amp) manufactured by STMicroelectronics. It is part of the Linear Mode series of op-amps, which are designed for high-precision applications that require low input offset voltage, low input bias current, and low noise.

Description:

The LM211DT is a dual op-amp, meaning it contains two independent operational amplifiers in a single package. It is available in an 8-pin dual in-line package (DIP) or a surface-mount package (SOIC). The device features a wide supply voltage range of ±2.5V to ±18V, making it suitable for a variety of applications.

Features:

1. High precision: The LM211DT offers low input offset voltage (typically 1µV max) and low input bias current (typically 1pA max), making it suitable for high-precision applications.
2. Low power consumption: The device has a low supply current of 3.5mA per amplifier, which is suitable for battery-powered applications.
3. Wide supply voltage range: The LM211DT can operate with supply voltages from ±2.5V to ±18V, providing flexibility in system design.
4. Low noise: The op-amp features a low input voltage noise of 4.3nV/√Hz, which is beneficial for applications that require low-noise performance.
5. Short-circuit protection: The LM211DT has internal protection against output short circuits, which helps prevent damage to the device in the event of a short circuit.

Applications:

1. Strain gauge amplifiers: The LM211DT's low input offset voltage and low drift make it ideal for use in strain gauge amplifiers for weight measurement and force measurement applications.
2. Medical instrumentation: The device's precision and low noise characteristics make it suitable for use in medical instruments, such as blood pressure monitors and other patient monitoring equipment.
3. pH measurement: The LM211DT can be used in pH meters and other analytical instruments that require high precision and low drift.
4. Pressure measurement: The device's low input offset voltage and low noise make it suitable for use in pressure transducers and sensors.
5. Temperature measurement: The LM211DT can be used in temperature measurement applications, such as thermocouple amplifiers and resistance temperature detector (RTD) circuits.

In summary, the LM211DT is a high-precision, low-power dual operational amplifier from STMicroelectronics that is well-suited for a variety of applications requiring precision amplification, low noise, and low power consumption. Its wide supply voltage range and short-circuit protection make it a versatile choice for various electronic systems.