AD8221BR-REEL

Product Overview

Category: Integrated Circuit (IC)

Use: The AD8221BR-REEL is a precision, low power, and low noise instrumentation amplifier. It is designed for applications that require accurate amplification of small differential signals in the presence of common-mode noise.

Characteristics: - Precision: The AD8221BR-REEL offers high accuracy and linearity, making it suitable for demanding measurement applications. - Low Power: This IC operates on low power, making it ideal for battery-powered devices or applications where power consumption is critical. - Low Noise: With its low noise characteristics, the AD8221BR-REEL ensures minimal interference and distortion in signal amplification. - Package: The AD8221BR-REEL is available in a small outline integrated circuit (SOIC) package, which provides ease of integration into various electronic systems. - Essence: The essence of this product lies in its ability to amplify small differential signals accurately while rejecting common-mode noise.

Packaging/Quantity: The AD8221BR-REEL is typically packaged in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: ±2.3V to ±18V
• Input Offset Voltage: 50µV maximum
• Gain Bandwidth Product: 10MHz
• Input Bias Current: 50nA maximum
• Common-Mode Rejection Ratio: 114dB minimum
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AD8221BR-REEL has eight pins arranged as follows:

```

---

| | | 1 2 3 | |_______________________| | | | 4 5 6 | |_______________________| | | | 7 8 | |_______________________| ```

1. IN-: Negative input terminal
2. IN+: Positive input terminal
3. V-
4. REF
5. V+
6. OUT
7. NC: No connection
8. NC: No connection

Functional Features

• High Precision: The AD8221BR-REEL offers excellent precision, ensuring accurate amplification of small differential signals.
• Low Noise: With its low noise characteristics, this IC minimizes signal distortion and interference.
• Wide Supply Voltage Range: The AD8221BR-REEL can operate within a wide supply voltage range, providing flexibility in various applications.
• High Common-Mode Rejection Ratio: This IC has a high common-mode rejection ratio, enabling effective rejection of common-mode noise.

Advantages and Disadvantages

Advantages: - High precision and linearity - Low power consumption - Small package size for easy integration - Low noise characteristics

Disadvantages: - Limited operating temperature range (-40°C to +85°C) - Requires external components for complete functionality

Working Principles

The AD8221BR-REEL is an instrumentation amplifier that amplifies small differential signals while rejecting common-mode noise. It achieves this through a combination of precision amplification stages and internal circuitry designed to cancel out common-mode signals. By accurately amplifying the difference between the input signals while attenuating any common-mode noise, the AD8221BR-REEL provides a clean and amplified output signal.

Detailed Application Field Plans

The AD8221BR-REEL finds application in various fields, including but not limited to: - Biomedical instrumentation - Industrial process control - Data acquisition systems - Strain gauge amplification - Temperature measurement - Bridge amplification

Detailed and Complete Alternative Models

• AD8221ARZ: Similar to AD8221BR-REEL, but available in a different package (8-pin SOIC)
• AD8221BRMZ: Similar to AD8221BR-REEL, but available in a smaller package (10-lead MSOP)

These alternative models offer similar functionality and performance characteristics as the AD8221BR-REEL, providing options for different application requirements.

Word count: 491 words