Overview
The AD8210WYRZ is a high-voltage, bidirectional current shunt monitor produced by Analog Devices Inc. This component is designed to amplify small differential input voltages generated by current flowing through a shunt resistor, making it ideal for current sensing applications. It operates on a single supply voltage, typically 5V, and is available in an 8-lead SOIC package. The AD8210WYRZ is qualified for automotive applications, ensuring it meets the stringent quality and reliability requirements of the automotive industry.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 4.5 to 5.5 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Input Common-Mode Voltage Range | -2 to 65 | V |
| Differential Input Voltage Range | ±250 | mV |
| Gain | 20 V/V | |
| Output Voltage Range | 0.05 to 4.9 | V |
| Output Impedance | 2 | Ω |
| Common-Mode Rejection Ratio (CMRR) at DC | 120 dB (VCM > 5V), 80 dB (VCM < 5V) | |
| Offset Drift | ±8 μV/°C | |
| Gain Drift | 10 ppm/°C | |
| Package Type | 8-lead SOIC |
Key Features
- High Common-Mode Voltage Range: The AD8210WYRZ can handle common-mode voltages up to 65V, making it suitable for high-voltage applications.
- Bidirectional Operation: It can measure currents in both directions through a resistive shunt, with adjustable output offset for symmetric or asymmetric current measurement.
- Adjustable Output Reference: The output voltage can be adjusted by applying voltages to the VREF1 and VREF2 pins, allowing for flexible output configurations.
- High Accuracy and Stability: The device features low offset drift (±8 μV/°C) and gain drift (10 ppm/°C), ensuring accurate measurements over temperature.
- Automotive Qualification: The AD8210WYRZ is qualified for automotive applications, meeting the rigorous standards for reliability and performance in automotive systems.
Applications
- Current Sensing: Ideal for monitoring current in various systems, including power supplies, motor controls, and transmission controls.
- Motor Controls: Used in motor control systems to monitor and regulate current flow.
- Transmission Controls: Applied in transmission control systems for accurate current measurement.
- Diesel Injection Controls: Utilized in diesel engine management systems for precise current sensing.
- Engine Management and Suspension Controls: Employed in engine management and suspension control systems to ensure optimal performance and safety.
- DC-to-DC Converters: Used in DC-to-DC converter applications to monitor and control current flow.
Q & A
- What is the typical supply voltage for the AD8210WYRZ?
The typical supply voltage for the AD8210WYRZ is 5V, with an operating range of 4.5V to 5.5V.
- What is the common-mode voltage range of the AD8210WYRZ?
The common-mode voltage range of the AD8210WYRZ extends from -2V to +65V.
- How can the output voltage of the AD8210WYRZ be adjusted?
The output voltage can be adjusted by applying voltages to the VREF1 and VREF2 pins.
- What is the gain of the AD8210WYRZ?
The gain of the AD8210WYRZ is internally set to 20 V/V.
- What is the operating temperature range of the AD8210WYRZ?
The operating temperature range of the AD8210WYRZ is from -40°C to +125°C.
- Is the AD8210WYRZ qualified for automotive applications?
Yes, the AD8210WYRZ is qualified for automotive applications, meeting the necessary quality and reliability standards.
- What package type is the AD8210WYRZ available in?
The AD8210WYRZ is available in an 8-lead SOIC package.
- What is the common-mode rejection ratio (CMRR) of the AD8210WYRZ?
The CMRR of the AD8210WYRZ is 120 dB at DC for VCM > 5V and 80 dB at DC for VCM < 5V.
- What is the offset drift of the AD8210WYRZ?
The offset drift of the AD8210WYRZ is ±8 μV/°C.
- What is the gain drift of the AD8210WYRZ?
The gain drift of the AD8210WYRZ is 10 ppm/°C.
