AD8276BRZ-R7

Product Overview

Category: Integrated Circuit (IC)

Use: The AD8276BRZ-R7 is a precision, low power, rail-to-rail output instrumentation amplifier. It is designed for applications that require high accuracy and low noise amplification of small differential signals.

Characteristics: - Precision: The AD8276BRZ-R7 offers excellent DC performance with a maximum offset voltage of 50 µV and a maximum gain error of 0.1%. - Low Power: It operates on a single supply voltage ranging from 2.7 V to 5.5 V, making it suitable for battery-powered applications. - Rail-to-Rail Output: The amplifier provides an output swing that extends to both the positive and negative supply rails, maximizing dynamic range. - Package: The AD8276BRZ-R7 is available in a small outline integrated circuit (SOIC) package, which allows for easy integration into various circuit designs. - Essence: This instrumentation amplifier combines precision, low power consumption, and rail-to-rail output capabilities, making it ideal for applications requiring accurate amplification of small differential signals. - Packaging/Quantity: The AD8276BRZ-R7 is typically sold in reels of 250 units.

Specifications

• Supply Voltage Range: 2.7 V to 5.5 V
• Input Offset Voltage: Maximum 50 µV
• Gain Error: Maximum 0.1%
• Common-Mode Rejection Ratio (CMRR): Minimum 80 dB
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOIC-8

Pin Configuration

The AD8276BRZ-R7 has an 8-pin SOIC package with the following pin configuration:

```

---

| | --| IN- V+ |-- --| IN+ V- |-- --| REF OUT |-- --| GND NC |-- |___________| ```

Functional Features

1. High Precision: The AD8276BRZ-R7 offers excellent accuracy and linearity, making it suitable for applications that require precise amplification.
2. Low Power Consumption: With its low power design, this amplifier is ideal for battery-powered devices or applications with strict power constraints.
3. Rail-to-Rail Output: The rail-to-rail output swing allows for maximum utilization of the available supply voltage range, enhancing dynamic range and signal fidelity.
4. Wide Supply Voltage Range: The AD8276BRZ-R7 can operate on a supply voltage ranging from 2.7 V to 5.5 V, providing flexibility in various system designs.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low power consumption - Rail-to-rail output swing - Wide supply voltage range

Disadvantages: - Limited availability in alternative package types - May not be suitable for high-frequency applications due to limited bandwidth

Working Principles

The AD8276BRZ-R7 is an instrumentation amplifier that amplifies small differential signals while rejecting common-mode noise. It consists of three operational amplifiers configured in a differential amplifier topology. The input signals are amplified by a fixed gain set by external resistors connected to the REF pin. The amplified output is then provided at the OUT pin.

Detailed Application Field Plans

The AD8276BRZ-R7 is well-suited for a wide range of applications, including but not limited to: - Medical instrumentation - Industrial process control - Data acquisition systems - Portable measurement devices - Sensor signal conditioning

Alternative Models

For those seeking alternatives to the AD8276BRZ-R7, the following models provide similar functionality: - AD8221: Precision Instrumentation Amplifier with Rail-to-Rail Output - INA333: Low-Power, Precision Instrumentation Amplifier - LTC2050: Zero-Drift Operational Amplifier with Rail-to-Rail Output

These alternative models offer comparable performance and features, providing flexibility in selecting the most suitable amplifier for specific applications.

In conclusion, the AD8276BRZ-R7 is a precision instrumentation amplifier that offers high accuracy, low power consumption, and rail-to-rail output capabilities. Its wide supply voltage range and small package make it versatile for various applications. However, limited availability in alternative package types and bandwidth limitations may be considered as disadvantages.