Overview
The AD8213YRMZ-RL is a dual-channel, precision current sense amplifier produced by Analog Devices Inc. This component is designed for high voltage, current shunt monitoring in various industrial and automotive applications. It features a fixed gain of 20 V/V and maintains excellent output linearity across the input differential voltage range of 0 mV to 250 mV, regardless of the common-mode voltage present. The AD8213 is particularly useful in applications such as motor control, solenoid control, and battery management.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Gain | 20 V/V | - |
| Gain Error | ±0.5% (max) over temperature range | -40°C to +125°C (Y grade), -40°C to +150°C (H grade) |
| Common-Mode Rejection Ratio (CMRR) | Typical > 90 dB | -2 V to +65 V common-mode voltage range |
| Input Differential Voltage Range | 0 mV to 250 mV | - |
| Supply Voltage | 5 V | - |
| Operating Temperature Range | -40°C to +125°C (Y grade), -40°C to +150°C (H grade) | - |
| Package | 10-lead MSOP | - |
Key Features
- Dual-Channel Operation: The AD8213 features two independent channels for current sensing, allowing for simultaneous monitoring of different current paths.
- High Common-Mode Rejection: The device rejects high common-mode voltages up to 65 V, ensuring accurate measurements in noisy environments.
- Output Linearity: Maintains output linearity across the entire input differential voltage range, regardless of the common-mode voltage.
- Low-Pass Filtering Capability: Allows for external low-pass filtering of the input signal via an external capacitor to ground.
- Automotive Grade Availability: The AD8213W models are designed to meet the quality and reliability requirements of automotive applications.
- Bidirectional Current Sensing: Can be configured for bidirectional current measurements, useful in charge/discharge applications.
Applications
- Motor Control: Used in motor control systems to monitor current flow and ensure efficient operation.
- Solenoid Control: Employed in solenoid control applications to measure and regulate current.
- Battery Management: Utilized in battery management systems to monitor charge and discharge currents.
- Automotive Systems: Suitable for various automotive applications due to its high reliability and robust specifications.
- Industrial Automation: Used in industrial automation for monitoring and controlling current in various industrial processes.
Q & A
- What is the gain of the AD8213 current sense amplifier?
The AD8213 has a fixed gain of 20 V/V.
- What is the common-mode voltage range of the AD8213?
The AD8213 can handle common-mode voltages from -2 V to +65 V.
- What is the operating temperature range of the AD8213?
The operating temperature range is -40°C to +125°C for the Y grade and -40°C to +150°C for the H grade.
- Can the AD8213 be used for bidirectional current sensing?
- What package type is the AD8213 available in?
The AD8213 is available in a 10-lead MSOP package.
- How does the AD8213 reject common-mode noise?
The AD8213 features a high common-mode rejection ratio (CMRR) of typical > 90 dB.
- Is the AD8213 suitable for automotive applications?
- Can the AD8213 be used with an analog-to-digital converter (ADC)?
- How can the input signal be filtered in the AD8213?
The input signal can be low-pass filtered using an external capacitor connected to ground.
- What are some typical applications of the AD8213?
The AD8213 is typically used in motor control, solenoid control, battery management, and various industrial and automotive applications.
