Overview
The AD8278BRZ-R7, produced by Analog Devices Inc., is a low-power, wide supply range, low-cost differential amplifier. This component is designed for precision signal conditioning and is particularly suited for applications requiring high performance and low power consumption. It is part of the AD8278 series, which offers a versatile solution for various signal processing needs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Current | 200 | - | 250 | μA |
| Operating Voltage Range | ±2 | - | ±18 | V |
| Operating Temperature Range | -40 | - | +125 | °C |
| Input Voltage Range | -VS + 0.2 | - | +VS - 0.2 | V |
| Output Voltage Noise (0.1 Hz to 10 Hz) | - | 1.4 | - | μV p-p |
| Output Voltage Noise (1 kHz) | - | 47 | - | nV/√Hz |
| Common-Mode Rejection Ratio (CMRR) | - | - | 86 | dB |
| Bandwidth | - | - | 550 | kHz |
| Slew Rate | - | - | 1.1 | V/μs |
| Short-Circuit Current Limit | - | - | ±10 | mA |
| Capacitive Load Drive | - | - | 200 | pF |
Key Features
- Low power consumption: Maximum supply current of 200 μA per channel.
- Wide supply range: Single supply from 2.0 V to 36 V and dual supplies from ±2 V to ±18 V.
- High common-mode rejection ratio (CMRR): Up to 86 dB.
- High bandwidth: Up to 550 kHz.
- Low gain drift: 1 ppm/°C maximum.
- Rugged input overvoltage protection.
- Enhanced slew rate: 1.1 V/μs.
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 AD8278BRZ-R7? The typical supply current is 200 μA.
- What is the operating voltage range of the AD8278BRZ-R7? The operating voltage range is from ±2 V to ±18 V.
- What is the common-mode rejection ratio (CMRR) of the AD8278BRZ-R7? The CMRR is up to 86 dB.
- What is the bandwidth of the AD8278BRZ-R7? The bandwidth is up to 550 kHz.
- What is the slew rate of the AD8278BRZ-R7? The slew rate is 1.1 V/μs.
- What is the short-circuit current limit of the AD8278BRZ-R7? The short-circuit current limit is ±10 mA.
- What is the capacitive load drive capability of the AD8278BRZ-R7? The capacitive load drive capability is up to 200 pF.
- What are the typical applications of the AD8278BRZ-R7? Typical applications include voltage and current measurement, differential output instrumentation, portable equipment, and test and measurement.
- What is the temperature range for the AD8278BRZ-R7? The operating temperature range is from -40°C to +125°C.
- Does the AD8278BRZ-R7 have input overvoltage protection? Yes, it has rugged input overvoltage protection.
