AD8227BRMZ

Product Overview

Category: Integrated Circuit (IC)

Use: The AD8227BRMZ is a precision, low power, rail-to-rail output instrumentation amplifier. It is designed for use in applications that require high accuracy and low noise amplification of small differential signals.

Characteristics: - Low input offset voltage and drift - High common-mode rejection ratio (CMRR) - Wide bandwidth - Low power consumption - Rail-to-rail output swing - Small package size

Package: The AD8227BRMZ is available in a 10-lead MSOP (Mini Small Outline Package) with exposed pad for improved thermal performance.

Essence: The essence of the AD8227BRMZ lies in its ability to provide precise amplification of small differential signals while maintaining low power consumption and high accuracy.

Packaging/Quantity: The AD8227BRMZ is typically sold in reels of 250 units.

Specifications

• Supply Voltage Range: ±2.25 V to ±18 V
• Input Offset Voltage: 50 µV maximum
• Input Offset Drift: 0.5 µV/°C maximum
• CMRR: 100 dB minimum
• Bandwidth: 1 MHz typical
• Quiescent Current: 500 µA maximum

Pin Configuration

The AD8227BRMZ has a total of 10 pins arranged as follows:

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| | | 1 6 | | / \ | | | | | | 10 5 | | | | | | \ / | | 9_____/4 | | | | | | 8 3 | | / \ | | | | | | 7 2 | | | | | |______________/_______| ```

Pin Description: 1. Positive Power Supply (+Vs) 2. Negative Power Supply (-Vs) 3. Output 4. Inverting Input (-IN) 5. Non-Inverting Input (+IN) 6. Gain Set Resistor (RG) 7. NC (No Connection) 8. NC (No Connection) 9. NC (No Connection) 10. Exposed Pad (Thermal Ground)

Functional Features

• Low input offset voltage and drift ensure accurate amplification of small differential signals.
• High CMRR minimizes the impact of common-mode noise on the amplified signal.
• Wide bandwidth allows for amplification of signals with high-frequency components.
• Rail-to-rail output swing enables the amplifier to utilize the full supply voltage range.
• Low power consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High accuracy amplification of small differential signals - Low power consumption - Rail-to-rail output swing - Small package size

Disadvantages: - Limited number of available pins for additional functionality - Higher cost compared to some other instrumentation amplifiers

Working Principles

The AD8227BRMZ is based on a precision operational amplifier architecture that provides high gain, low noise, and excellent DC performance. It utilizes external resistors to set the desired gain and offers rail-to-rail output swing, allowing for maximum utilization of the supply voltage range.

Detailed Application Field Plans

The AD8227BRMZ finds application in various fields, including but not limited to: 1. Biomedical instrumentation 2. Strain gauge amplification 3. Temperature measurement systems 4. Data acquisition systems 5. Industrial process control

Detailed and Complete Alternative Models

1. AD8227ARZ: Similar to AD8227BRMZ, but available in a 8-lead SOIC (Small Outline Integrated Circuit) package.
2. AD8227BCPZ: Similar to AD8227BRMZ, but available in a 8-lead LFCSP (Lead Frame Chip Scale Package) with exposed pad.

These alternative models offer similar functionality and performance characteristics as the AD8227BRMZ, but with different package options.

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