Overview
The AD8278BRMZ is a general-purpose difference amplifier produced by Analog Devices Inc., designed for precision signal conditioning in power-critical applications. It offers high performance and low power consumption, making it ideal for various precision measurement and monitoring tasks. The amplifier features an exceptional common-mode rejection ratio (CMRR) of 80 dB and a high bandwidth, allowing it to amplify input signals that are well beyond the supply rails. The on-chip resistors are laser trimmed for excellent gain accuracy and high CMRR, along with extremely low gain drift versus temperature.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Number of Channels | 1 Channel |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
| Number of Pins | 8 |
| Slew Rate (SR) | 1.4 V/μs |
| Input Offset Voltage (Vos) | 50 μV |
| Common Mode Rejection Ratio (CMRR) | 80 dB |
| Supply Voltage - Max | 36 V |
| Supply Voltage - Min | 2 V |
| Operating Supply Current | 200 μA |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Mounting Style | SMD/SMT |
| RoHS Status | ROHS3 Compliant |
Key Features
- Sustainable Design Practices: The AD8278BRMZ is designed with energy-efficient performance in mind, making it suitable for power-critical applications.
- Compact and Lightweight Construction: Available in 8-TSSOP and 8-MSOP packages, it is ideal for space-constrained designs.
- Long-term Reliability Assurance: With laser-trimmed on-chip resistors, it offers excellent gain accuracy and high CMRR, along with low gain drift versus temperature.
- High Common Mode Rejection Ratio: Provides an exceptional CMRR of 80 dB, ensuring high precision in signal conditioning.
- Wide Power Supply Range: Operates with single supply from 2 V to 36 V or dual supplies from ±2 V to ±18 V.
Applications
- Voltage Measurement and Monitoring: Ideal for precise voltage measurements in various systems.
- Current Measurement and Monitoring: Used in current sensing and monitoring applications due to its high accuracy.
- Instrumentation Amplifier Building Block: Can be used as a building block for low-power, low-cost instrumentation amplifiers.
- Portable, Battery-Powered Equipment: Suitable for battery-powered devices due to its low power consumption.
- Test and Measurement: Utilized in test and measurement equipment for its high precision and reliability.
Q & A
- What is the primary function of the AD8278BRMZ?
The AD8278BRMZ is a general-purpose difference amplifier designed for precision signal conditioning in power-critical applications.
- What is the common-mode rejection ratio (CMRR) of the AD8278BRMZ?
The CMRR of the AD8278BRMZ is 80 dB.
- What are the package options for the AD8278BRMZ?
The AD8278BRMZ is available in 8-TSSOP and 8-MSOP packages.
- What is the slew rate of the AD8278BRMZ?
The slew rate of the AD8278BRMZ is 1.4 V/μs.
- What is the input offset voltage (Vos) of the AD8278BRMZ?
The input offset voltage (Vos) of the AD8278BRMZ is 50 μV.
- What is the operating supply current of the AD8278BRMZ?
The operating supply current of the AD8278BRMZ is 200 μA.
- What are the minimum and maximum operating temperatures for the AD8278BRMZ?
The minimum operating temperature is -40°C, and the maximum operating temperature is +85°C.
- Is the AD8278BRMZ RoHS compliant?
Yes, the AD8278BRMZ is ROHS3 compliant.
- What are some common applications of the AD8278BRMZ?
Common applications include voltage and current measurement, instrumentation amplifier building blocks, portable battery-powered equipment, and test and measurement.
- What is the gain bandwidth product (GBP) of the AD8278BRMZ?
The gain bandwidth product (GBP) of the AD8278BRMZ is 1 MHz.
