INA271AIDR

Product Overview

Category: Integrated Circuit (IC)

Use: The INA271AIDR is a high-precision, low-power instrumentation amplifier designed for accurate signal amplification in various applications.

Characteristics: - High precision: The INA271AIDR offers excellent accuracy and linearity, making it suitable for precise measurement and sensing applications. - Low power consumption: With its low quiescent current, the INA271AIDR minimizes power consumption, making it ideal for battery-powered devices. - Wide input voltage range: It can handle a wide range of input voltages, allowing for versatile use in different scenarios. - Rail-to-rail output swing: The amplifier provides an output swing that covers the entire supply voltage range, maximizing dynamic range.

Package: The INA271AIDR comes in a small outline package (SOIC) with eight pins.

Essence: This IC serves as a high-performance instrumentation amplifier, providing accurate amplification of signals with low power consumption.

Packaging/Quantity: The INA271AIDR is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: ±150µV (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Input Bias Current: 50nA (maximum)
• Common Mode Rejection Ratio: 100dB (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA271AIDR has the following pin configuration:

1. REF: Reference voltage input
2. IN+: Non-inverting input
3. IN-: Inverting input
4. V+: Positive power supply
5. OUT: Amplifier output
6. RG: Gain-setting resistor
7. V-: Negative power supply
8. NC: No connection

Functional Features

• High gain accuracy: The INA271AIDR offers excellent gain accuracy, ensuring precise amplification of input signals.
• Low noise: It provides a low-noise amplification path, minimizing signal distortion and interference.
• EMI suppression: The IC includes features to suppress electromagnetic interference, enhancing signal integrity.
• Overload protection: Built-in protection mechanisms prevent damage from excessive input voltages, ensuring device longevity.

Advantages and Disadvantages

Advantages: - High precision and linearity - Low power consumption - Wide input voltage range - Rail-to-rail output swing - Small package size

Disadvantages: - Limited gain bandwidth product compared to some specialized amplifiers - Higher cost compared to basic operational amplifiers

Working Principles

The INA271AIDR operates based on the principle of differential amplification. It amplifies the voltage difference between its non-inverting (IN+) and inverting (IN-) inputs, providing an amplified output proportional to this difference. The gain can be set using an external resistor connected to the RG pin.

Detailed Application Field Plans

The INA271AIDR finds applications in various fields, including: 1. Precision measurement equipment 2. Medical instrumentation 3. Industrial automation 4. Data acquisition systems 5. Sensor signal conditioning

Alternative Models

Some alternative models that offer similar functionality to the INA271AIDR include: - AD8221 - LT1167 - MCP6N11 - MAX4460

These alternatives should be evaluated based on specific requirements and application constraints.

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