Overview
The AD8215WYRZ, produced by Analog Devices Inc., is a high-voltage, precision current shunt monitor designed for various industrial and automotive applications. This component is particularly useful for unidirectional current measurements across a shunt resistor. It features a fixed gain of 20 V/V, ensuring high accuracy with a maximum ±0.3% gain error over the entire temperature range. The AD8215WYRZ is known for its excellent common-mode rejection ratio (CMRR) and its ability to maintain output linearity across a wide input differential voltage range, regardless of the common-mode voltage present.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage (VS) | 4.5 | 5 | 5.5 | V | |
| Input Voltage (Survival) | -3 | +68 | V | ||
| Differential Input Voltage | 0 | 0.5 | V | ||
| Operating Temperature Range | -40 | +125 | °C | ||
| Storage Temperature Range | -65 | +150 | °C | ||
| Gain | 20 | 20 | 20 | V/V | Initial accuracy ±0.15% |
| Offset Drift | 6 μV/°C | Typical | |||
| Gain Drift | -8 ppm/°C | Typical | |||
| CMRR at DC | 120 dB | Typical |
Key Features
- High Accuracy: The AD8215WYRZ offers a fixed gain of 20 V/V with a maximum ±0.3% gain error over the entire temperature range.
- Wide Operating Range: It operates from -2 V to +65 V and survives up to -3 V to +68 V, making it suitable for high-voltage applications.
- Excellent CMRR: Provides 120 dB typical common-mode rejection ratio at DC, ensuring robust performance in noisy environments.
- Low Drift: Features a low offset drift of 6 μV/°C and gain drift of -8 ppm/°C, ensuring stable output over temperature variations.
- Compact Package: Available in an 8-lead SOIC package, which is small and suitable for space-constrained designs.
- Automotive Qualified: The AD8215WYRZ is qualified for automotive applications, ensuring it meets the stringent reliability and quality requirements of the automotive industry.
Applications
- Motor Controls: Ideal for monitoring current in motor control systems.
- Transmission Controls: Used in transmission control systems for accurate current measurement.
- Engine Management: Suitable for engine management systems where precise current monitoring is critical.
- Suspension Controls: Applied in vehicle suspension control systems.
- Vehicle Dynamic Controls: Used in various vehicle dynamic control systems.
- DC to DC Converters: Utilized in DC to DC converter applications for current monitoring.
- Battery Management: Employed in battery management systems for accurate current sensing.
Q & A
- What is the primary function of the AD8215WYRZ?
The AD8215WYRZ is a high-voltage, precision current shunt monitor designed for unidirectional current measurements across a shunt resistor.
- What is the gain of the AD8215WYRZ?
The AD8215WYRZ has a fixed gain of 20 V/V.
- What is the operating temperature range of the AD8215WYRZ?
The operating temperature range is from -40°C to +125°C.
- What is the common-mode rejection ratio (CMRR) of the AD8215WYRZ?
The CMRR is typically 120 dB at DC.
- Is the AD8215WYRZ qualified for automotive applications?
- What package type is the AD8215WYRZ available in?
- What is the supply voltage range for the AD8215WYRZ?
- What are some typical applications of the AD8215WYRZ?
- How does the AD8215WYRZ maintain output linearity?
- What is the offset drift of the AD8215WYRZ?
