Analog Devices Inc. AD8211YRJZ-R2 High-Side Current Shunt Monitor

The AD8211YRJZ-R2 is a high-performance, high-side current shunt monitor from Analog Devices Inc., designed to provide precision current measurement in a wide range of applications. This integrated circuit (IC) is capable of monitoring the voltage across shunts at common-mode voltages from -2V to +65V, even when used in high-side configuration, which refers to the placement of the current sensing resistor between the power supply and the load.

With its wide input common-mode voltage range and precision, the AD8211 is ideal for a variety of applications including automotive battery management, power management systems, and any circuit requiring accurate current monitoring and control. The device ensures high accuracy by utilizing a proprietary technology that achieves a typical nonlinearity of ±0.2%.

The AD8211YRJZ-R2 operates on a single supply voltage ranging from 4.5V to 5.5V and offers a quiescent current of typically 270 µA, making it suitable for power-sensitive applications. It is available in a compact SOT-23-8 package, which allows for easy integration into space-constrained designs.

Key features of the AD8211YRJZ-R2 include:

• Wide input common-mode voltage range: -2V to +65V
• High accuracy with typical nonlinearity of ±0.2%
• Low offset voltage: 250 µV (max)
• Single supply operation: 4.5V to 5.5V
• Low quiescent current: 270 µA (typ)
• Output voltage scaling: 20 V/V
• Compact SOT-23-8 package

The device's output is a voltage proportional to the current through the shunt resistor, and the gain is fixed at 20 V/V, allowing for easy interfacing with analog-to-digital converters (ADCs) or other monitoring circuitry. The AD8211 also features robust protection against electrostatic discharge (ESD) events, enhancing its reliability in harsh environments.

Overall, the AD8211YRJZ-R2 from Analog Devices Inc. is a versatile and reliable choice for engineers looking to implement high-side current monitoring with minimal impact on the overall power consumption and footprint of their designs.