LMV321LILT Allicdata Electronics

LMV321LILT Integrated Circuits (ICs)

Allicdata Part #:

497-13051-2-ND

Manufacturer Part#:

LMV321LILT

Price: $ 0.10
Product Category:

Integrated Circuits (ICs)

Manufacturer: STMicroelectronics
Short Description: IC OPAMP GP 1.3MHZ RRO SOT23-5
More Detail: General Purpose Amplifier 1 Circuit Rail-to-Rail S...
DataSheet: LMV321LILT datasheetLMV321LILT Datasheet/PDF
Quantity: 195000
3000 +: $ 0.08916
6000 +: $ 0.08341
15000 +: $ 0.07765
30000 +: $ 0.07362
75000 +: $ 0.07190
Stock 195000Can Ship Immediately
$ 0.1
Specifications
Output Type: Rail-to-Rail
Slew Rate: 0.7 V/µs
Gain Bandwidth Product: 1.3MHz
Current - Input Bias: 27nA
Voltage - Input Offset: 1mV
Current - Supply: 130µA
Current - Output / Channel: 70mA
Voltage - Supply, Single/Dual (±): 2.7 V ~ 5.5 V
Operating Temperature: -40°C ~ 125°C
Mounting Type: Surface Mount
Package / Case: SC-74A, SOT-753
Supplier Device Package: SOT-23-5
Base Part Number: LMV321
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Active
Amplifier Type: General Purpose
Number of Circuits: 1
Description

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Linear amplifiers are often used to amplify signals and perform operations in the fields of instrumentation and automation. The LMV321LILT is a high-precision amplifier for very low-noise applications, with low temperature variation and offset, making it suitable for sensitive applications. In this article, we’ll discuss the application field and working principle of the LMV321LILT.

Applications and Benefits

The LMV321LILT is a low-noise, low-offset amplifier ideal for many instrumentation and automation applications. It can be used in pressure and level measurement, strain gauge bridge measurements and load cells, displacement sensors, optical encoders and potentiometers, and biopotential measurements. It is low-noise for sensitive sensor measurements in laboratory, industrial and process control applications. It also provides excellent offset, offset drift and input bias current stability even after adverse excursions in temperature.

This makes it suitable for high-accuracy, high-precision applications, such as medical equipment, patient-monitoring systems, and embedded systems requiring low noise performance. It provides a wide input common mode voltage range and rail-to-rail input and output for low-level measurements. Furthermore, it also features low quiescent current and a wide operating temperature range.

Working Principle

The LMV321LILT is based on a fully differential input architecture and has a wide bandwidth of 2.2 MHz. Its low-noise performance is achieved by using a high-precision gain block, an internal output stage and a level shifting stage, which also increases the power efficiency. The LMV321LILT also includes an adjustable common mode feedback path and a programmable gain amplifier.

It operates in a three-stage voltage shifting configuration that offers up to a 30 dB gain range with a maximum output voltage swing of +/- 4 V. This allows the amplifier to achieve very low-noise performance with excellent linearity and a low distortion level. The input stages provide high-impedance for measuring low-level signals and input protection for ESD. The wide input common mode range allows for higher supply rails and the ability to handle a wider range of inputs.

The output stage uses a balanced output to minimize perturbations, reduce overshoot, cross-talk and output RF noise. The rail-to-rail output coupled with the wide gain range and high-speed response delivers a fast settling time even with large dynamic ranges. The LMV321LILT also includes a low-power shutdown option to reduce supply noise when not in use.

Conclusion

The LMV321LILT is a high-precision amplifier with excellent noise performance, low temperature variation and offset, making it suitable for a wide range of instrumentation and automation applications. Its three-stage voltage shifting configuration, high-impedance inputs, rail-to-rail output, wide gain range, high-speed response and low-power shutdown make it well-suited for a wide range of signals from low-level measurements to higher rail-to-rail voltages.

In conclusion, the LMV321LILT is a low-noise, low-offset amplifier that is ideal for instrumentation and automation applications, providing excellent accuracy and precision for even the most sensitive measurements.

The specific data is subject to PDF, and the above content is for reference

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