LT1991AIMS#TRPBF

Current - Input Bias:	2.5nA
Base Part Number:	LT1991
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 36 V, ±1.35 V ~ 18 V
Current - Output / Channel:	21mA
Current - Supply:	130µA
Voltage - Input Offset:	15µV
Series:	--
-3db Bandwidth:	110kHz
Gain Bandwidth Product:	560kHz
Slew Rate:	0.12 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	Programmable Gain
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AIMS#TRPBF Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps the LT1991 is a precision, low noise instrumentation amplifier, specifically designed to provide low-noise and excellent precision for a variety of instrumentation, sensor interface, test and data acquisition systems. It features low temperature drift, good psrr and ac performance as well as an excellent video rejection ratio.The LT1991AIMS#TRPBF is a high-precision, low-noise instrumentation amplifier designed to provide low-noise and excellent precision for various instrumentation, sensor interface, test and data acquisition systems. This instrumentation amplifier is able to provide precision data acquisition while minimizing the noise. The design removes any need of additional buffering, since it has already been included in the circuit. A laser trimmed resistors are used to guarantee that the gain of the system remains stable.The LT1991AIMS#TRPBF instrumentation amplifier boosts the signal by increasing the input impedance and providing a gain that can be set through the values of two resistors. This instrumentation amplifier also provides a wide input common-mode range and low input offset voltage. Its outputs are always in the same voltage range, regardless of the input voltage level. Apart from the dead band, this circuit has low noise levels, making it very useful for applications such as audio, video or medical equipment.The working principle of the LT1991AIMS#TRPBF amplifiers relies on a simple three-stage approach. First, the input signal is amplified by a pair of matched transistors that keep the input-referred noise low and the dependence of the common-mode rejection ratio on the gains very small. Second, the differential input signals is amplified by a differential amplifier which is the active gain stage, and the third stage is an output amplifier which provides a high output voltage swing. The first stage provides the correct input impedance and gain, the second stage amplifies the difference between the two input signals, and the third stage provides an output directly symmetrical and amplifies the difference until it reaches the maximum voltage. The precision of the amplifier is provided to the input impedance of the two transistors and the stability of the circuit and its performance are also ensured by the proper connection of the transistors.Since the LT1991AIMS#TRPBF is a low-noise instrumentation amplifier, it has been specifically designed for applications such as sensor interface systems, data acquisition systems and low-noise or high-frequency systems, without introducing the noise from the instrumentation amplifier itself into the input signal. Some of the applications where these instrumentation amplifiers are used include medical equipment, industrial applications, audio and video equipment, automotive systems and communication systems. The LT1991AIMS#TRPBF’s performance, precision and low-noise makes it a suitable instrumentation amplifier for sensitive and demanding applications. Its compact size and low power consumption also makes it a great solution for applications requiring small size, with high precision and low noise.

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