LT1112MPS8#PBF

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The LT1112MPS8#PBF is a versatile, unity-gain stable instrumentation amplifier used for precision single and differential signal amplification. It features very low input offset voltage, low input bias current, excellent gain accuracy and high common-mode rejection. It is designed to amplify signals from bridge, thermocouples, RTDs, current loops and many more. It has a wide operating temperature range of -55°C to +125°C.

Features

• Very low offset voltage: 250μV
• Very low offset drift: 0.2μV/°C
• Very low input bias current: 0.5pA
• High CMRR: 118dB (at 1kHz)
• Low power consumption: 4mA
• Wide bandwidth: 25MHz
• Wide supply voltage range: ±2.7V to ±27V

Applications

The LT1112MPS8#PBF is ideal for noise sensitive applications, such as monitoring voltage or current, instrumentation amplifiers, signal processing, signal conditioning, medical and industrial instrumentation. It can also be used in data acquisition and process control systems, temperature measurement and industrial process control systems.

Working Principle

The LT1112MPS8#PBF is a monolithic unity-gain instrumentation amplifier designed with precision parameters and tight offset, drift and gain accuracy. It features a high-accuracy, low-offset voltage op-amp as the input stage, and a low-power, low-offset op-amp and tight-stability capacitor as the gain adjustment stage. The unity gain output is buffered by a low-noise, unity-gain output stage, providing excellent common-mode rejection, low noise, low power consumption and wide bandwidth.

The amplifier’s low-impedance input allows for very low input bias current, reducing errors in offset and drift. The large dynamic range and high common-mode rejection of the amplifier makes it suitable for a wide range of single and differential signal amplifications.