Overview
The AD8276BRZ-R7, 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, known for their high performance and low power consumption. The AD8276BRZ-R7 is particularly suited for applications requiring high common-mode rejection ratio (CMRR) and wide input voltage ranges beyond the supply rails.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 2.0 | - | 36 | V |
| Dual Supplies | ±2 | - | ±18 | V |
| Supply Current | - | 200 | - | μA |
| Input Offset Voltage (Vos) | - | 200 | - | μV |
| Common Mode Rejection Ratio (CMRR) | 86 | - | - | dB |
| Bandwidth | - | 550 | - | kHz |
| Slew Rate | - | 1.1 | - | V/μs |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package | - | 8-Lead SOIC | - | - |
Key Features
- Wide input range beyond supplies, extending to almost double the supply voltage.
- Rugged input overvoltage protection.
- Low supply current: 200 μA maximum per channel.
- Low power dissipation: 0.54 mW at VS = 2.7 V.
- 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 from 2.0 V to 36 V and dual supplies from ±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 typical supply current of the AD8276BRZ-R7?
The typical supply current is 200 μA per channel.
- What is the common-mode rejection ratio (CMRR) of the AD8276BRZ-R7?
The CMRR is 86 dB minimum, dc to 10 kHz.
- What is the bandwidth of the AD8276BRZ-R7?
The bandwidth is 550 kHz.
- What is the slew rate of the AD8276BRZ-R7?
The slew rate is 1.1 V/μs.
- What are the operating temperature ranges for the AD8276BRZ-R7?
The operating temperature range is from -40°C to +125°C.
- What types of packages are available for the AD8276BRZ-R7?
The AD8276BRZ-R7 is available in an 8-Lead SOIC package.
- What are some typical applications for the AD8276BRZ-R7?
Typical applications include voltage and current measurement, differential output instrumentation amplifiers, portable battery-powered equipment, and test and measurement equipment.
- How does the AD8276BRZ-R7 protect against overvoltage?
The AD8276BRZ-R7 features rugged input overvoltage protection.
- What is the input voltage range for the AD8276BRZ-R7?
The input voltage range extends beyond the supply rails, up to almost double the supply voltage.
- Is the AD8276BRZ-R7 suitable for low-power applications?
Yes, it is suitable for low-power applications with a maximum supply current of 200 μA per channel and low power dissipation.
