Overview
The AD8279BRZ-RL, produced by Analog Devices Inc., is a general-purpose difference amplifier designed for precision signal conditioning in power-critical applications. This component is part of the AD8279 series, known for its high performance, low power consumption, and wide supply range. The AD8279BRZ-RL is particularly suited for applications requiring high common-mode rejection ratio (CMRR) and high bandwidth, making it ideal for voltage and current measurement, instrumentation amplifier building blocks, and portable, battery-powered equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Gain (min/max) | 0.5 / 2 | V/V |
| Common Mode Input Range | -45.3 to 40.5 | V |
| Supply Voltage Range (Single/Dual) | 2 V to 36 V / ±2 V to ±18 V | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Slew Rate (typical) | 1.3 | V/μs |
| Supply Current (typical) | 300 μA | A |
| Output Voltage Noise (1 kHz) | 47 nV/√Hz | nV/√Hz |
| Short-Circuit Current Limit | ±15 mA | mA |
| Capacitive Load Drive | 200 pF | pF |
| Package | 14-lead SOIC |
Key Features
- High common-mode rejection ratio (CMRR) of 80 dB
- Wide supply range: single supply from 2 V to 36 V, dual supplies from ±2 V to ±18 V
- Low gain drift: 1 ppm/°C maximum
- Low offset voltage drift: ±1 μV/°C maximum
- Enhanced slew rate: 1.3 V/μs typical
- High bandwidth: 1 MHz typical at low gain
- Input signals can be beyond the supply rails
- Laser-trimmed on-chip resistors for excellent gain accuracy and high CMRR
- Low power consumption: 300 μA typical supply current
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 typical slew rate of the AD8279BRZ-RL?
The typical slew rate is 1.3 V/μs.
- What is the operating temperature range of the AD8279BRZ-RL?
The operating temperature range is -40°C to 85°C.
- What is the common-mode rejection ratio (CMRR) of the AD8279BRZ-RL?
The CMRR is 80 dB.
- What are the supply voltage ranges for the AD8279BRZ-RL?
The supply voltage ranges are from 2 V to 36 V for single supply and from ±2 V to ±18 V for dual supplies.
- What is the typical supply current of the AD8279BRZ-RL?
The typical supply current is 300 μA.
- What is the package type of the AD8279BRZ-RL?
The package type is 14-lead SOIC.
- Can the AD8279BRZ-RL handle input signals beyond the supply rails?
Yes, the AD8279BRZ-RL can handle input signals beyond the supply rails.
- What are some common applications of the AD8279BRZ-RL?
Common applications include voltage and current measurement, instrumentation amplifier building blocks, portable battery-powered equipment, and test and measurement equipment).
- What is the gain range of the AD8279BRZ-RL?
The gain range is from 0.5 to 2 V/V).
- Is the AD8279BRZ-RL RoHS compliant?
Yes, the AD8279BRZ-RL is RoHS compliant).
