Overview
The AD8276BRMZ, produced by Analog Devices Inc., is a low-power, wide supply range, low-cost unity-gain difference amplifier. This component is designed for precision signal conditioning in power-critical applications that require both high performance and low power consumption. It is part of the AD8276/AD8277 family, which offers exceptional common-mode rejection ratio (CMRR) and high bandwidth, making it ideal for amplifying signals well beyond the supply rails.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Single/Dual) | 2 V to 36 V, ±2 V to ±18 V | V |
| Input Offset Voltage | 100 µV | µV |
| Common-Mode Rejection Ratio (CMRR) | 86 dB (minimum, dc to 10 kHz) | dB |
| Bandwidth | 550 kHz | kHz |
| Slew Rate | 1.1 V/µs | V/µs |
| Supply Current | 200 µA (maximum per channel) | µA |
| Output Type | Rail-to-Rail | |
| Operating Temperature | -40°C to 85°C | °C |
| Package | 8-MSOP, 8-TSSOP | |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
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 CMRR: 86 dB minimum, dc to 10 kHz
- Low gain drift: 1 ppm/°C maximum (B Grade)
- 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
- On-chip resistors laser trimmed for high accuracy
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 AD8276BRMZ?
The AD8276BRMZ is a unity-gain difference amplifier designed for precision signal conditioning in power-critical applications.
- What is the supply voltage range for the AD8276BRMZ?
The supply voltage range is from 2 V to 36 V for single supply and ±2 V to ±18 V for dual supplies.
- What is the common-mode rejection ratio (CMRR) of the AD8276BRMZ?
The CMRR is 86 dB minimum from dc to 10 kHz.
- What is the bandwidth of the AD8276BRMZ?
The bandwidth is 550 kHz.
- What is the slew rate of the AD8276BRMZ?
The slew rate is 1.1 V/µs.
- What is the maximum supply current per channel for the AD8276BRMZ?
The maximum supply current per channel is 200 µA.
- What are the typical applications of the AD8276BRMZ?
Typical applications include voltage and current measurement, differential output instrumentation amplifiers, portable battery-powered equipment, and test and measurement equipment.
- Is the AD8276BRMZ RoHS compliant?
- What is the operating temperature range of the AD8276BRMZ?
The operating temperature range is from -40°C to 85°C.
- What package types are available for the AD8276BRMZ?
The AD8276BRMZ is available in 8-MSOP and 8-TSSOP packages.
