Overview
The AD8277ARZ-RL, produced by Analog Devices Inc., is a general-purpose, unity-gain difference amplifier designed for precision signal conditioning in power-critical applications. This component is part of the AD8276/AD8277 series, which is renowned for its high performance and low power consumption. The AD8277 is ideal for applications requiring accurate signal amplification and high common-mode rejection ratio (CMRR), making it suitable for various industrial, medical, and test and measurement applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VS) | Single Supply: 2.0 V to 36 V, Dual Supplies: ±2 V to ±18 V | 2.0 | - | 36 | V |
| System Offset | TA = −40°C to +85°C | 100 | 200 | 500 | µV |
| Average Temperature Coefficient | TA = −40°C to +85°C | 0.5 | 2 | 2 | µV/°C |
| Common-Mode Rejection Ratio (CMRR) | VS = ±15 V, VCM = ±27 V, RS = 0 Ω | 80 | 86 | - | dB |
| Input Voltage Range | -2(VS + 0.1) to +2(VS − 1.5) | - | - | - | V |
| Slew Rate | - | - | 1.1 | - | V/μs |
| Bandwidth | - | - | - | - | MHz |
| Operating Temperature Range | - | -40 | - | 125 | °C |
Key Features
- High CMRR and Bandwidth: The AD8277 offers an exceptional 86 dB CMRR and high bandwidth, making it ideal for precision signal conditioning.
- Low Gain Drift: With a maximum gain drift of 1 ppm/°C, this amplifier ensures high accuracy over a wide temperature range.
- Wide Power Supply Range: Operates on single supplies from 2.0 V to 36 V and dual supplies from ±2 V to ±18 V.
- Low Power Consumption: Suitable for battery-powered and portable systems due to its low power dissipation.
- Integrated Resistors: Laser-trimmed on-chip resistors provide improved ac and dc performance and reduce the need for external components.
- High Common-Mode Voltage Range: The common-mode range extends to almost double the supply voltage, making it suitable for single-supply applications.
Applications
- Voltage and Current Measurement: Ideal for precision voltage and current measurement and monitoring.
- Instrumentation Amplifier: Can be configured as a difference amplifier, noninverting amplifier, or inverting amplifier.
- Portable and Battery-Powered Equipment: Low power consumption makes it suitable for portable and battery-powered systems.
- Test and Measurement Equipment: Used in various test and measurement applications due to its high accuracy and reliability.
Q & A
- What is the primary function of the AD8277ARZ-RL?
The AD8277ARZ-RL is a general-purpose, unity-gain difference amplifier designed for precision signal conditioning.
- What is the typical common-mode rejection ratio (CMRR) of the AD8277ARZ-RL?
The CMRR is typically 86 dB.
- What is the operating temperature range of the AD8277ARZ-RL?
The operating temperature range is from -40°C to +125°C.
- What is the slew rate of the AD8277ARZ-RL?
The slew rate is 1.1 V/μs.
- Can the AD8277ARZ-RL be used in single-supply applications?
- What are the typical applications of the AD8277ARZ-RL?
It is used in voltage and current measurement, instrumentation amplifiers, portable and battery-powered equipment, and test and measurement equipment.
- What is the maximum gain drift of the AD8277ARZ-RL?
The maximum gain drift is 1 ppm/°C.
- Does the AD8277ARZ-RL have integrated resistors?
- What is the input voltage range of the AD8277ARZ-RL?
The input voltage range is from -2(VS + 0.1) to +2(VS − 1.5).
- Is the AD8277ARZ-RL suitable for low power applications?
