Overview
The AD8276ARZ, produced by Analog Devices Inc., is a general-purpose, unity-gain difference amplifier designed for precision signal conditioning in power-critical applications. This amplifier is part of the AD8276/AD8277 family and is known for its high performance and low power consumption, making it ideal for various precision measurement and monitoring tasks.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 2.0 | - | 36 | V (Single Supply), ±2 to ±18 V (Dual Supplies) |
| Supply Current | - | - | 200 | μA per channel |
| Input Offset Voltage | - | 100 | 200 | μV |
| Temperature Coefficient of Offset Voltage | - | 0.5 | 2 | μV/°C |
| Common-Mode Rejection Ratio (CMRR) | 86 | - | - | dB (dc to 10 kHz) |
| Bandwidth | - | - | 550 | kHz |
| Slew Rate | - | - | 1.1 | V/μs |
| Input Voltage Range | -2(VS + 0.1) | - | 2(VS - 1.5) | V |
| Package | - | - | - | 8-SOIC (0.154, 3.90mm Width) |
Key Features
- Wide input range beyond supplies
- Rugged input overvoltage protection
- Low supply current: 200 μA maximum per channel
- Low power dissipation: 0.54 mW at VS = 2.7 V
- High bandwidth: 550 kHz
- High common-mode rejection ratio (CMRR): 86 dB minimum, dc to 10 kHz
- Low gain drift: 1 ppm/°C maximum
- Enhanced slew rate: 1.1 V/μs
- Wide power supply range: Single supply 2.0 V to 36 V, dual supplies ±2 V to ±18 V
Applications
- Voltage measurement and monitoring
- Current measurement and monitoring
- Differential output instrumentation amplifier
- Portable, battery-powered equipment
- Test and measurement equipment
Q & A
- What is the primary function of the AD8276ARZ?
The AD8276ARZ is a unity-gain difference amplifier designed for precision signal conditioning in power-critical applications.
- What is the supply voltage range for the AD8276ARZ?
The AD8276ARZ can operate from a single supply of 2.0 V to 36 V or dual supplies of ±2 V to ±18 V.
- What is the typical supply current per channel for the AD8276ARZ?
The typical supply current per channel is 200 μA.
- What is the common-mode rejection ratio (CMRR) of the AD8276ARZ?
The CMRR is 86 dB minimum from dc to 10 kHz.
- What is the bandwidth of the AD8276ARZ?
The bandwidth is 550 kHz.
- What is the slew rate of the AD8276ARZ?
The slew rate is 1.1 V/μs.
- What are some common applications for the AD8276ARZ?
Common applications include voltage and current measurement, differential output instrumentation, portable battery-powered equipment, and test and measurement equipment.
- What package type is the AD8276ARZ available in?
The AD8276ARZ is available in an 8-SOIC package.
- What is the input offset voltage of the AD8276ARZ?
The input offset voltage is typically 100 μV to 200 μV.
- How does the AD8276ARZ handle temperature variations?
The AD8276ARZ has a low gain drift of 1 ppm/°C and a temperature coefficient of offset voltage of 0.5 μV/°C to 2 μV/°C.
