AD8210YRZ - High Voltage Bidirectional Current Shunt Monitor | Analog Devices
料号： AD8210YRZ ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $10.0909 | $10.09 |
| 10 | $7.2879 | $72.88 |
| 100 | $6.447 | $644.70 |
| 500 | $6.1667 | $3,083.35 |
| 1,000 | $5.8864 | $5,886.40 |
AD8210YRZ 概述
A current shunt monitor is a specialized difference amplifier that measures the voltage drop across a sense resistor to determine load current. It is a critical component in power management systems, enabling precise current monitoring for battery management, motor control, and load protection. The AD8210 belongs to the family of current sense amplifiers, which are essential for closed-loop control and diagnostic functions in modern electronic systems.
Key features of the AD8210YRZ include a wide common-mode input range, bidirectional current sensing capability, and excellent AC and DC performance. The device offers a typical supply current of 2 mA and a bandwidth of 450 kHz, ensuring accurate measurement of dynamic currents. Its high CMRR (typically 120 dB) rejects common-mode noise, making it suitable for noisy industrial environments.
The AD8210 uses a precision difference amplifier architecture with an external shunt resistor, allowing flexible gain configuration. The output is referenced to a programmable level, enabling bidirectional current detection. The device includes an input filter to reduce high-frequency noise and supports both high-side and low-side sensing configurations.
Typical applications include motor control, battery monitoring, power supply diagnostics, and load current sensing in automotive systems. The wide common-mode range and bidirectional capability make it particularly useful for H-bridge motor drivers and battery charge/discharge monitoring.
When designing with the AD8210YRZ, ensure the shunt resistor is placed close to the load and the input filter components are optimized for the desired bandwidth. The output reference pins allow adjustment of the output voltage level, which is essential for interfacing with ADCs or comparators.
直接替换替代料： AD8210YRZ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： AD8210YRZ （相同外形与封装尺寸） ——差异在于 Bandwidth, Package.
快速对比工具——选择替代料号进行并排对比：
AD8210YRZ-REEL
📋 参考替代料（不在目录中）
AD8215WYRZ-RL
📋 参考替代料（不在目录中）
AD8216WYRZ-RL
📋 参考替代料（不在目录中）
INA240A1DR
📋 参考替代料（不在目录中）
INA199A1DCKR
📋 参考替代料（不在目录中）
AD8210YRZ 最大额定值与电气特性
| 功能 | Current Monitor Regulator High/Low-Side |
| Sensing Method | High-Side and Low-Side |
| Input Common-Mode Voltage Range | -2 V to +65 V |
| 电源电压 | 5 V (typical) |
| Output Current | 5 mA |
| Bandwidth | 450 kHz |
| CMRR | 120 dB (typical) |
| 电源电流 | 2 mA (typical) |
| Bidirectional Detection | Yes |
| Input Filter | Yes |
| Output Reference Level | Programmable |
| 封装 | 8-SOIC |
| 工作温度范围 | -40°C to +125°C |
| RoHS 状态 | Compliant |
| 安装类型 | Surface Mount |
AD8210YRZ 引脚配置
| 引脚 1 | V+ — Positive supply voltage (5 V) |
| 引脚 2 | IN+ — Non-inverting input from shunt resistor |
| 引脚 3 | IN- — Inverting input from shunt resistor |
| 引脚 4 | GND — Ground |
| 引脚 5 | REF1 — Reference pin 1 for output offset |
| 引脚 6 | REF2 — Reference pin 2 for output offset |
| 引脚 7 | OUT — Output voltage proportional to current |
| 引脚 8 | V- — Negative supply or ground (typically connected to GND) |
典型应用
AD8210YRZ 适用于 6 应用s: Motor Control, Battery Management, Power Supply Diagnostics, Automotive Load Sensing, Industrial Process Control, Telecom Power Monitoring.
Motor Control
The AD8210YRZ is ideal for motor control applications, particularly in H-bridge and three-phase motor drivers. Its bidirectional current sensing capability allows monitoring of both positive and negative currents, essential for detecting load conditions and implementing closed-loop control. With a common-mode range of -2 V to +65 V, it can handle the high-side and low-side sensing required in motor drives. The 450 kHz bandwidth ensures accurate measurement of fast-switching currents, while the high CMRR of 120 dB rejects noise from the motor's PWM signals. The output can be directly interfaced with ADCs for digital control, and the programmable reference level simplifies offset adjustment. This makes the AD8210YRZ a robust choice for automotive and industrial motor control systems.
推荐
Battery Management
In battery management systems, the AD8210YRZ provides accurate charge and discharge current monitoring. Its bidirectional sensing capability allows measurement of current in both directions, essential for tracking state of charge and detecting overcurrent conditions. The wide common-mode range of -2 V to +65 V accommodates battery stacks with high voltages, while the low supply current of 2 mA minimizes power consumption. The 450 kHz bandwidth enables fast response to load transients, and the high CMRR ensures accurate measurements despite ground potential differences. The programmable output reference allows easy interfacing with ADCs or comparators for threshold detection. This makes the AD8210YRZ suitable for electric vehicles, power tools, and energy storage systems.
推荐
Power Supply Diagnostics
The AD8210YRZ is used in power supply diagnostics to monitor output current and detect faults. Its high common-mode range allows sensing on the high side of the supply, while the bidirectional capability enables detection of reverse current conditions. The 450 kHz bandwidth captures transient currents, and the high CMRR rejects noise from switching regulators. The device's low supply current and small SOIC package make it easy to integrate into existing power supply designs. The programmable reference level allows setting precise thresholds for overcurrent protection. This makes the AD8210YRZ ideal for server power supplies, industrial power systems, and telecom equipment.
推荐
Automotive Load Sensing
In automotive systems, the AD8210YRZ monitors current in various loads such as lights, motors, and solenoids. Its wide common-mode range of -2 V to +65 V handles the 12 V and 24 V automotive electrical systems, while the bidirectional capability detects both normal and reverse currents. The high CMRR of 120 dB ensures accurate measurements in the presence of alternator noise and ground shifts. The device operates over -40°C to +125°C, making it suitable for under-hood applications. The 450 kHz bandwidth allows detection of fast transients, and the programmable output reference simplifies interfacing with automotive ECUs. This makes the AD8210YRZ a reliable choice for automotive current sensing.
推荐
Industrial Process Control
The AD8210YRZ is used in industrial process control to monitor current in actuators, heaters, and other loads. Its high common-mode range and bidirectional sensing allow accurate measurement in both directions, essential for detecting faults and controlling processes. The 450 kHz bandwidth enables real-time monitoring of dynamic currents, while the high CMRR rejects noise from industrial environments. The device's low supply current and small package make it easy to integrate into PLCs and distributed control systems. The programmable output reference allows direct interfacing with ADCs for digital processing. This makes the AD8210YRZ suitable for factory automation, robotics, and process control systems.
推荐
Telecom Power Monitoring
In telecom systems, the AD8210YRZ monitors current in power distribution units and battery backup systems. Its wide common-mode range of -2 V to +65 V accommodates -48 V telecom supplies, while the bidirectional capability detects both charging and discharging currents. The high CMRR ensures accurate measurements despite ground potential differences across the system. The 450 kHz bandwidth captures transient currents during load switching, and the low supply current minimizes power consumption. The programmable output reference allows easy interfacing with monitoring ADCs. This makes the AD8210YRZ ideal for telecom base stations, data centers, and network equipment.
推荐
推荐产品汇总
工程参考数据： AD8210YRZ ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | AD8210YRZ-REEL | AD8215WYRZ-RL | AD8216WYRZ-RL | INA240A1DR |
|---|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Common-Mode Voltage Range | -2 V to +65 V | -2 V to +65 V | -2 V to +80 V | -2 V to +65 V | -4 V to +80 V |
| Bandwidth | 450 kHz | 450 kHz | 100 kHz | 100 kHz | 400 kHz |
| CMRR | 120 dB | 120 dB | 120 dB | 120 dB | 120 dB |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 2.7 V to 5.5 V |
| Output Current | 5 mA | 5 mA | 5 mA | 5 mA | 10 mA |
| Bidirectional Sensing | Yes | Yes | Yes | Yes | Yes |
关键差异点
- High bandwidth of 450 kHz （对比 AD8215WYRZ-RL)
- Wide common-mode range of -2 V to +65 V （对比 INA199A1DCKR)
- Single-channel design with lower cost （对比 AD8216WYRZ-RL)
设计说明
Place the shunt resistor as close to the AD8210YRZ inputs as possible to minimize parasitic inductance and resistance. Use Kelvin connections to the shunt to ensure accurate voltage sensing. Keep the input traces short and shielded from noisy traces. According to the AD8210 datasheet, proper layout is critical for maintaining high CMRR and bandwidth.
The AD8210YRZ operates from a single 5 V supply. Ensure the supply is well-decoupled with a 0.1 uF ceramic capacitor placed close to the V+ pin. The device draws a typical supply current of 2 mA, so power dissipation is minimal. However, in high-temperature environments, verify that the junction temperature stays within the -40°C to +125°C operating range.
Do not exceed the absolute maximum ratings, particularly the common-mode input voltage range of -2 V to +65 V. Exceeding this range can damage the device. Also, ensure the output reference pins (REF1 and REF2) are properly configured for the desired output offset. According to the AD8210 datasheet, incorrect reference settings can lead to output saturation.
合规信息
RoHS compliant per distributor listings. AEC-Q100 qualification not specified for this part.
