LT1167CS8-1#TRPBF

Product Overview

Category

The LT1167CS8-1#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for precision instrumentation applications.

Use

This product is commonly used in various measurement and sensing systems, where high accuracy and low noise are crucial requirements. It is particularly suitable for applications such as strain gauge amplification, bridge signal conditioning, and current sensing.

Characteristics

• High precision: The LT1167CS8-1#TRPBF offers exceptional precision with a maximum offset voltage of 50µV and a maximum gain error of 0.025%.
• Low noise: With a low input-referred noise voltage density of 4nV/√Hz, this IC ensures accurate signal amplification even in noisy environments.
• Wide supply voltage range: The device operates from a single supply voltage ranging from 2.7V to 36V, making it compatible with a wide range of power sources.
• Low power consumption: The LT1167CS8-1#TRPBF consumes minimal power, making it suitable for battery-powered applications.
• Small package size: This IC is available in an 8-pin SOIC package, allowing for compact and space-efficient designs.

Packaging/Quantity

The LT1167CS8-1#TRPBF is typically supplied in tape and reel packaging, which facilitates automated assembly processes. Each reel contains a quantity of 250 units.

Specifications

• Offset Voltage: Maximum 50µV
• Gain Error: Maximum 0.025%
• Input-Referred Noise Voltage Density: 4nV/√Hz
• Supply Voltage Range: 2.7V to 36V
• Supply Current: 200µA (typical)
• Operating Temperature Range: -40°C to 85°C
• Package Type: 8-pin SOIC

Detailed Pin Configuration

The LT1167CS8-1#TRPBF features the following pin configuration:

```

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| | --| V+ OUT |-- Pin 1 --| IN- NC |-- Pin 2 --| IN+ NC |-- Pin 3 --| V- REF |-- Pin 4 --| NC NC |-- Pin 5 --| NC NC |-- Pin 6 --| GND NC |-- Pin 7 --| NC NC |-- Pin 8 |___________| ```

Functional Features

• High common-mode rejection ratio (CMRR): The LT1167CS8-1#TRPBF exhibits excellent CMRR of 120dB, allowing it to reject common-mode noise and interference effectively.
• Low input bias current: With an input bias current of only 20nA, this IC minimizes the impact on signal accuracy.
• Wide bandwidth: The device offers a wide -3dB bandwidth of 1.2MHz, enabling accurate amplification of fast-changing signals.
• Overload protection: The LT1167CS8-1#TRPBF incorporates built-in protection against overvoltage and reverse voltage conditions, safeguarding the circuitry from potential damage.

Advantages and Disadvantages

Advantages

• High precision and low noise ensure accurate signal amplification.
• Wide supply voltage range allows for versatile power supply options.
• Compact package size enables space-efficient designs.
• Excellent CMRR enhances noise rejection capabilities.
• Built-in overload protection safeguards the circuitry.

Disadvantages

• Limited pin configuration options may restrict certain application requirements.
• Relatively higher cost compared to generic amplifiers.

Working Principles

The LT1167CS8-1#TRPBF is a precision instrumentation amplifier that amplifies small differential input signals while rejecting common-mode noise. It utilizes a combination of operational amplifiers and precision resistors to achieve high accuracy and low noise performance. The device operates in a closed-loop configuration, where the gain can be set by external feedback resistors.

Detailed Application Field Plans

The LT1167CS8-1#TRPBF finds extensive application in various fields, including:

1. Strain gauge amplification: The IC's high precision and low noise characteristics make it ideal for amplifying strain gauge signals in applications such as load cells, pressure sensors, and force transducers.
2. Bridge signal conditioning: The LT1167CS8-1#TRPBF excels in conditioning bridge sensor outputs, providing accurate amplification and rejection of common-mode noise in applications like temperature measurement and weight scales.
3. Current sensing: With its wide supply voltage range and low power consumption, this IC is well-suited for precise current sensing in power management systems, battery monitoring, and motor control applications.

Detailed and Complete Alternative Models

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