Overview
The AD8278ARZ-R7 is a high-performance, single-channel difference amplifier produced by Analog Devices Inc. This component is designed for precision signal conditioning in power-critical applications, offering high common-mode rejection ratio (CMRR) and low power consumption. It is particularly suited for applications requiring accurate differential signal amplification with minimal noise and low supply current.
Key Specifications
| Parameter | Value |
|---|---|
| Package / Case | SOIC-8 |
| Number of Channels | 1 Channel |
| SR - Slew Rate | 1.4 V/μs |
| CMRR - Common Mode Rejection Ratio | 80 dB |
| Vos - Input Offset Voltage | 100 μV |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Mounting Style | SMD/SMT |
| Operating Supply Voltage | 2 V to 36 V (Single Supply), ±2 V to ±18 V (Dual Supplies) |
| Supply Current | 200 μA |
| Output Current per Channel | 15 mA |
| Bandwidth | 1 MHz (G = ½) |
| Power Dissipation | 0.5 mW at VS = 2.5 V |
| Settling Time | 9 μs |
Key Features
- High precision with low noise, making it ideal for differential amplifier applications.
- Wide input range beyond supplies, allowing for flexible signal conditioning.
- Rugged input overvoltage protection to ensure component durability.
- Low supply current of 200 μA maximum, contributing to low power dissipation of 0.5 mW at VS = 2.5 V.
- High CMRR of 80 dB, ensuring excellent common-mode rejection.
- Low offset voltage drift of ±1 μV/°C and low gain drift of 1 ppm/°C.
- Enhanced slew rate of 1.4 V/μs and a bandwidth of 1 MHz (G = ½).
- Available in 8-lead SOIC and 8-lead MSOP packages, offering design flexibility.
Applications
- Voltage measurement and monitoring.
- Current measurement and monitoring.
- Instrumentation amplifier building block.
- Portable, battery-powered equipment.
- Test and measurement equipment.
Q & A
- What is the primary function of the AD8278ARZ-R7?
The AD8278ARZ-R7 is a single-channel difference amplifier designed for precision signal conditioning in power-critical applications.
- What is the common-mode rejection ratio (CMRR) of the AD8278ARZ-R7?
The CMRR of the AD8278ARZ-R7 is 80 dB.
- What is the operating supply voltage range for the AD8278ARZ-R7?
The operating supply voltage range is 2 V to 36 V for single supply and ±2 V to ±18 V for dual supplies.
- What is the maximum supply current of the AD8278ARZ-R7?
The maximum supply current is 200 μA.
- What is the bandwidth of the AD8278ARZ-R7?
The bandwidth is 1 MHz (G = ½).
- What are the typical applications of the AD8278ARZ-R7?
Typical applications include voltage and current measurement, instrumentation amplifier building blocks, portable battery-powered equipment, and test and measurement equipment.
- What is the slew rate of the AD8278ARZ-R7?
The slew rate is 1.4 V/μs.
- What is the input offset voltage of the AD8278ARZ-R7?
The input offset voltage is 100 μV.
- What are the available package types for the AD8278ARZ-R7?
The AD8278ARZ-R7 is available in 8-lead SOIC and 8-lead MSOP packages.
- What is the operating temperature range of the AD8278ARZ-R7?
The operating temperature range is -40°C to +85°C.
- Does the AD8278ARZ-R7 have overvoltage protection?
Yes, it has rugged input overvoltage protection.
