Overview
The AD8215WYRZ-RL, produced by Analog Devices Inc., is a high voltage, precision current shunt monitor designed for unidirectional current measurements across a shunt resistor. This component is particularly suited for various industrial and automotive applications, including motor controls, solenoid controls, and battery management. It features a set gain of 20 V/V and maintains excellent performance over a wide operating temperature range of −40°C to +125°C. The AD8215 is available in an 8-lead SOIC package and is qualified for automotive applications, ensuring high reliability and quality standards.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| GAIN | - | 20 V/V | - | - | Initial accuracy ±0.15% |
| Gain Error | - | - | ±0.3% | - | Over entire temperature range |
| Offset Drift | - | 6 μV/°C | - | - | - |
| Gain Drift | - | -8 ppm/°C | - | - | - |
| Common-Mode Rejection Ratio (CMRR) | - | 120 dB | - | - | At DC |
| Operating Temperature Range | -40°C | - | +125°C | - | Ambient temperature (TA) = 25°C |
| Supply Voltage | - | - | 12.5 V | - | Continuous |
| Input Voltage (Survival) | -3 V | - | +68 V | - | Continuous |
| Differential Input Voltage | - | - | 0.5 V | - | Reverse |
Key Features
- High voltage operation: −2 V to +65 V input range and −3 V to +68 V survival voltage.
- Precision current measurement with a set gain of 20 V/V and maximum ±0.3% gain error over the entire temperature range.
- Excellent common-mode rejection ratio (CMRR) of 120 dB at DC, independent of the 5 V supply.
- Buffered output voltage directly interfaces with any typical converter.
- Operating temperature range of −40°C to +125°C, making it suitable for harsh environments.
- Available in an 8-lead SOIC package, which is RoHS compliant.
- Qualified for automotive applications, ensuring high reliability and quality standards.
Applications
- Motor controls: The AD8215 is ideal for monitoring current in motor control systems, ensuring precise and reliable operation.
- Solenoid controls: It can be used in solenoid control applications where accurate current measurement is crucial.
- Battery management: Suitable for battery management systems where current monitoring is essential.
- Transmission controls: Used in transmission control systems in automotive applications.
- Engine management: Can be applied in engine management systems for current monitoring.
- Suspension controls and vehicle dynamic controls: Useful in various automotive control systems.
- DC to DC converters: The AD8215 can be used in DC to DC converter applications for current sensing.
Q & A
- What is the primary function of the AD8215WYRZ-RL? The AD8215WYRZ-RL is a high voltage, precision current shunt monitor designed for unidirectional current measurements across a shunt resistor.
- What is the gain of the AD8215WYRZ-RL? The AD8215WYRZ-RL has a set gain of 20 V/V.
- What is the operating temperature range of the AD8215WYRZ-RL? The operating temperature range is −40°C to +125°C.
- What is the common-mode rejection ratio (CMRR) of the AD8215WYRZ-RL? The CMRR is typically 120 dB at DC.
- Is the AD8215WYRZ-RL qualified for automotive applications? Yes, it is qualified for automotive applications and meets the necessary quality and reliability standards.
- What package type is the AD8215WYRZ-RL available in? It is available in an 8-lead SOIC package.
- What are some typical applications of the AD8215WYRZ-RL? Typical applications include motor controls, solenoid controls, battery management, transmission controls, engine management, and DC to DC converters.
- What is the maximum gain error of the AD8215WYRZ-RL over the entire temperature range? The maximum gain error is ±0.3% over the entire temperature range.
- What is the input voltage survival range of the AD8215WYRZ-RL? The input voltage survival range is −3 V to +68 V.
- Is the AD8215WYRZ-RL RoHS compliant? Yes, the AD8215WYRZ-RL is RoHS compliant).
