Overview
The AD8215WYRZ-R7, produced by Analog Devices Inc., is a high voltage, precision current shunt monitor. This component is designed to accurately measure current in high-side configurations, making it particularly useful in automotive and industrial applications. It features a fixed gain of 20 V/V, ensuring precise voltage output proportional to the current flowing through an external shunt resistor. The AD8215WYRZ-R7 is part of the automotive series, qualified for use in demanding automotive environments with stringent reliability and quality requirements.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| GAIN | - | 20 | - | V/V | Initial Accuracy ±0.15% |
| Supply Voltage | - | - | 12.5 | V | Continuous |
| Input Voltage (Survival) | -3 | - | 68 | V | Continuous |
| Differential Input Voltage | - | - | 0.5 | V | - |
| Operating Temperature Range | -40 | - | 125 | °C | - |
| Storage Temperature Range | -65 | - | 150 | °C | - |
| Output Short-Circuit Duration | - | - | Indefinite | - | - |
Key Features
- High voltage operation: Supports input voltages from -3 V to +68 V and a wide operating temperature range of -40°C to +125°C.
- Precision gain: Fixed gain of 20 V/V with a maximum ±0.3% gain error over the entire temperature range.
- Excellent ac and dc performance: Features a typical offset drift of 6 μV/°C and a typical gain drift of -8 ppm/°C.
- High common-mode rejection ratio (CMRR): 120 dB typical at dc.
- Automotive qualification: The AD8215WYRZ-R7 model is specifically qualified for automotive applications, ensuring high reliability and quality.
Applications
- High-side current sensing in automotive systems: Suitable for motor controls, transmission controls, engine management, suspension controls, and vehicle dynamic controls.
- DC to DC converters: Ideal for monitoring current in high-voltage DC to DC conversion systems.
- Industrial current sensing: Used in various industrial applications where accurate current measurement is crucial.
Q & A
- What is the primary function of the AD8215WYRZ-R7? The AD8215WYRZ-R7 is a high voltage, precision current shunt monitor designed to measure current in high-side configurations.
- What is the fixed gain of the AD8215WYRZ-R7? The fixed gain of the AD8215WYRZ-R7 is 20 V/V.
- What is the operating temperature range of the AD8215WYRZ-R7? The operating temperature range is -40°C to +125°C.
- Is the AD8215WYRZ-R7 qualified for automotive applications? Yes, the AD8215WYRZ-R7 is specifically qualified for automotive applications.
- What is the typical common-mode rejection ratio (CMRR) of the AD8215WYRZ-R7? The typical CMRR is 120 dB at dc.
- What are some common applications of the AD8215WYRZ-R7? Common applications include high-side current sensing in automotive systems, DC to DC converters, and industrial current sensing.
- What is the maximum supply voltage for the AD8215WYRZ-R7? The maximum supply voltage is 12.5 V.
- Can the AD8215WYRZ-R7 survive input voltages beyond its operating range? Yes, it can survive input voltages from -3 V to +68 V.
- What is the typical offset drift of the AD8215WYRZ-R7? The typical offset drift is 6 μV/°C.
- Is the AD8215WYRZ-R7 available in a RoHS compliant package? Yes, the AD8215WYRZ-R7 is available in a RoHS compliant package.
