規格
| 屬性 | 價值 |
| Package | Tube |
| ProductStatus | Active |
| Function | Current Monitor |
| SensingMethod | High-Side |
| Accuracy | ±0.35% |
| Voltage-Input | 4V ~ 80V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
概述
Description
The AD8218BRMZ is a high common-mode voltage, precision current shunt monitor manufactured by Analog Devices. It is designed for current sensing applications in high-voltage systems. The device offers excellent accuracy due to its high common-mode rejection ratio (CMRR) and low offset voltage. The AD8218BRMZ operates over a wide common-mode voltage range, typically from -2 V to +65 V, making it suitable for monitoring current in a variety of power systems, including automotive and industrial applications.
This current shunt monitor provides a fixed gain, which simplifies the design and calibration process. It is available in a small form factor, typically an 8-lead MSOP package, making it easy to integrate into compact circuit designs. The AD8218BRMZ is known for its fast response time and high bandwidth, ensuring accurate and real-time current measurement. It is also designed to operate over a wide temperature range, enhancing its reliability in various environmental conditions. The device is widely used in applications such as battery management systems and motor control circuits.
This current shunt monitor provides a fixed gain, which simplifies the design and calibration process. It is available in a small form factor, typically an 8-lead MSOP package, making it easy to integrate into compact circuit designs. The AD8218BRMZ is known for its fast response time and high bandwidth, ensuring accurate and real-time current measurement. It is also designed to operate over a wide temperature range, enhancing its reliability in various environmental conditions. The device is widely used in applications such as battery management systems and motor control circuits.
Equivalent
The AD8218BRMZ is a precision current shunt monitor by Analog Devices. Equivalent products include:
1. INA282 by Texas Instruments - High-Common-Mode, High-Speed, Bidirectional, Zero-Drift, Current-Shunt Monitor.
2. MAX4080 by Maxim Integrated - High-Voltage, High-Side Current-Sense Amplifier.
3. LTC6102 by Analog Devices (formerly Linear Technology) - High Voltage, High-Side Current Sense Amplifier.
4. ZXCT1009 by Diodes Incorporated - High-Side Current Monitor.
These alternatives offer similar functionalities for current measurement applications.
1. INA282 by Texas Instruments - High-Common-Mode, High-Speed, Bidirectional, Zero-Drift, Current-Shunt Monitor.
2. MAX4080 by Maxim Integrated - High-Voltage, High-Side Current-Sense Amplifier.
3. LTC6102 by Analog Devices (formerly Linear Technology) - High Voltage, High-Side Current Sense Amplifier.
4. ZXCT1009 by Diodes Incorporated - High-Side Current Monitor.
These alternatives offer similar functionalities for current measurement applications.
Features
The AD8218BRMZ is a high-precision current sense amplifier designed by Analog Devices. It offers accurate current measurement by amplifying the voltage across a shunt resistor. Key features include:
1. Wide Input Common-Mode Voltage Range: Operates from −2 V to +65 V, suitable for various applications.
2. High Accuracy: Provides a maximum gain error of ±0.15% and an offset voltage of ±125 µV, ensuring precise measurements.
3. Amplification: Has a fixed gain of 20 V/V, facilitating straightforward integration into designs requiring current monitoring.
4. Low Power Consumption: Consumes only 500 µA of quiescent current, making it efficient for battery-powered applications.
5. Operating Temperature Range: Supports −40°C to +125°C, ensuring reliability in extreme environmental conditions.
6. Robust Performance: High CMRR (Common-Mode Rejection Ratio) of 80 dB minimizes errors due to noise or voltage variations.
7. Small Package: Available in an 8-lead MSOP package, making it suitable for space-constrained applications.
These features make the AD8218BRMZ ideal for automotive, industrial, and power management systems that necessitate accurate current sensing.
1. Wide Input Common-Mode Voltage Range: Operates from −2 V to +65 V, suitable for various applications.
2. High Accuracy: Provides a maximum gain error of ±0.15% and an offset voltage of ±125 µV, ensuring precise measurements.
3. Amplification: Has a fixed gain of 20 V/V, facilitating straightforward integration into designs requiring current monitoring.
4. Low Power Consumption: Consumes only 500 µA of quiescent current, making it efficient for battery-powered applications.
5. Operating Temperature Range: Supports −40°C to +125°C, ensuring reliability in extreme environmental conditions.
6. Robust Performance: High CMRR (Common-Mode Rejection Ratio) of 80 dB minimizes errors due to noise or voltage variations.
7. Small Package: Available in an 8-lead MSOP package, making it suitable for space-constrained applications.
These features make the AD8218BRMZ ideal for automotive, industrial, and power management systems that necessitate accurate current sensing.
Pinout
The AD8218BRMZ is a high common-mode voltage, current shunt monitor from Analog Devices. It comes in an 8-lead MSOP (Mini Small Outline Package) form factor. The primary function of the AD8218 is to amplify small differential voltages in the presence of large common-mode voltages, which is useful for current monitoring in various applications. It is designed to provide accurate and efficient current measurement in various systems, including automotive and industrial applications. The device offers excellent common-mode rejection and temperature stability, making it suitable for high-precision current sensing tasks.
Manufacturer
The AD8218BRMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in data conversion, signal processing, and power management technology. They produce integrated circuits utilized in various applications, including industrial automation, automotive, consumer electronics, and communications. With a focus on innovation and advanced technology, Analog Devices is known for delivering high-performance solutions designed to meet the needs of modern electronics and systems.
Application
The AD8218BRMZ is a high common-mode voltage, current shunt monitor ideal for applications requiring precise current measurement and monitoring. Key application areas include:
1. Automotive Systems: Monitoring battery currents and fuel efficiency, and overseeing electric power steering systems.
2. Industrial Equipment: Measuring current in motor controls and automation systems.
3. Telecommunications: Ensuring the reliability and efficiency of power supply systems.
4. Power Management: Providing precise current sensing in power distribution units and energy management systems.
5. Consumer Electronics: Enhancing battery management systems for portable devices.
Its high common-mode voltage range and high accuracy make it versatile for a range of stringent current sensing applications.
1. Automotive Systems: Monitoring battery currents and fuel efficiency, and overseeing electric power steering systems.
2. Industrial Equipment: Measuring current in motor controls and automation systems.
3. Telecommunications: Ensuring the reliability and efficiency of power supply systems.
4. Power Management: Providing precise current sensing in power distribution units and energy management systems.
5. Consumer Electronics: Enhancing battery management systems for portable devices.
Its high common-mode voltage range and high accuracy make it versatile for a range of stringent current sensing applications.
Package
The AD8218BRMZ is an integrated circuit packaged in an MSOP-8 (Mini Small Outline Package). This package type is compact, featuring 8 leads and is suitable for surface-mount technology on printed circuit boards.
