Overview
The AD8276BRZ, produced by Analog Devices Inc., is a general-purpose, unity-gain difference amplifier designed for precision signal conditioning in power-critical applications. It is optimized for high performance and low power consumption, making it ideal for battery-operated and portable systems. The AD8276BRZ provides exceptional common-mode rejection ratio (CMRR) and high bandwidth, amplifying signals well beyond the supply rails. It is available in an 8-SOIC package and is suitable for a wide range of applications requiring precise signal amplification.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 2.0 | - | 36 | V (Single Supply), ±2 to ±18 V (Dual Supply) |
| Quiescent Supply Current | - | - | 200 | μA per channel |
| Bandwidth | - | - | 550 | kHz |
| Common-Mode Rejection Ratio (CMRR) | 86 | - | - | dB (dc to 10 kHz) |
| System Offset Voltage | - | 100 | 200 | μV |
| Offset Voltage Drift | - | - | 2 | μV/°C |
| Slew Rate | - | - | 1.1 | V/μs |
| Input Voltage Range | -2(VS + 0.1) | - | +2(VS - 1.5) | V |
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 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)
- Unity-gain stable and can be configured for single-ended operations with G = −1, +1, or +2
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 AD8276BRZ?
The AD8276BRZ is a unity-gain difference amplifier designed for precision signal conditioning. - What is the typical supply current of the AD8276BRZ?
The typical supply current is 200 μA per channel. - What is the bandwidth of the AD8276BRZ?
The bandwidth is 550 kHz. - What is the common-mode rejection ratio (CMRR) of the AD8276BRZ?
The CMRR is 86 dB minimum, dc to 10 kHz. - What is the slew rate of the AD8276BRZ?
The slew rate is 1.1 V/μs. - What are the possible power supply configurations for the AD8276BRZ?
The AD8276BRZ can operate on single supplies (2.0 V to 36 V) or dual supplies (±2 V to ±18 V). - Does the AD8276BRZ have overvoltage protection?
Yes, it has rugged input overvoltage protection. - What are some common applications of the AD8276BRZ?
Common applications include voltage and current measurement, differential output instrumentation amplifiers, portable equipment, and test and measurement equipment. - What package type is the AD8276BRZ available in?
The AD8276BRZ is available in an 8-SOIC package. - Can the AD8276BRZ be used in single-ended configurations?
Yes, it can be configured for single-ended operations with G = −1, +1, or +2.
