Overview
The AD8215YRZ, produced by Analog Devices Inc., is a high-voltage, precision current shunt monitor designed for various industrial and automotive applications. This device is optimized for unidirectional current measurements across a shunt resistor, making it ideal for motor controls, solenoid controls, battery management, and other high-side current sensing applications. The AD8215YRZ features a set gain of 20 V/V and maintains excellent output linearity throughout the input differential voltage range, regardless of the common-mode voltage present. It operates over a wide temperature range and is available in an 8-lead SOIC package, ensuring compact and reliable performance in demanding environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| GAIN | - | 20 V/V | - | - | Initial Accuracy ±0.15% |
| Operating Temperature Range | -40°C | - | +125°C | - | Ambient temperature (TA) = 25°C |
| Input Voltage Range | -2 V | - | +65 V | - | Survival: -3 V to +68 V |
| Differential Input Voltage | - | - | 0.5 V | - | Reverse Supply Voltage: -0.3 V |
| ESD Rating | - | - | ±4000 V (HBM), ±1000 V (CDM) | - | - |
| Output Short-Circuit Duration | - | - | Indefinite | - | - |
Key Features
- High-voltage operation: -2 V to +65 V input voltage range, with survival up to -3 V to +68 V.
- Precision gain: Set gain of 20 V/V with a maximum ±0.3% gain error over the entire temperature range.
- Excellent common-mode rejection: 120 dB typical CMRR at DC, independent of the 5 V supply.
- Wide operating temperature range: -40°C to +125°C.
- Compact packaging: 8-lead SOIC package.
- High accuracy and linearity: Maintains output linearity throughout the input differential voltage range of 0 mV to 250 mV.
- Automotive qualified: Available in automotive-grade models with controlled manufacturing to support quality and reliability requirements.
Applications
- Motor controls: High-side current sensing for motor control systems.
- Transmission controls: Monitoring current in transmission systems.
- Engine management: Current sensing in engine management systems.
- Suspension controls: High-side current sensing in vehicle suspension systems.
- Vehicle dynamic controls: Monitoring current in vehicle dynamic control systems.
- DC to DC converters: Current monitoring in DC to DC converter applications.
- Battery management: Current sensing in battery management systems.
Q & A
- What is the primary function of the AD8215YRZ? The AD8215YRZ is a high-voltage, precision current shunt monitor designed for unidirectional current measurements across a shunt resistor.
- What is the gain of the AD8215YRZ? The AD8215YRZ has a set gain of 20 V/V.
- What is the operating temperature range of the AD8215YRZ? The operating temperature range is -40°C to +125°C.
- What is the input voltage range of the AD8215YRZ? The input voltage range is -2 V to +65 V, with survival up to -3 V to +68 V.
- Is the AD8215YRZ qualified for automotive applications? Yes, the AD8215YRZ is available in automotive-grade models with controlled manufacturing to support quality and reliability requirements.
- What is the common-mode rejection ratio (CMRR) of the AD8215YRZ? The CMRR is 120 dB typical at DC.
- What is the packaging of the AD8215YRZ? The AD8215YRZ is available in an 8-lead SOIC package.
- What are some typical applications of the AD8215YRZ? Typical applications include motor controls, transmission controls, engine management, suspension controls, vehicle dynamic controls, DC to DC converters, and battery management.
- What is the ESD rating of the AD8215YRZ? The ESD rating is ±4000 V (HBM) and ±1000 V (CDM).
- Can the AD8215YRZ output be short-circuited indefinitely? Yes, the AD8215YRZ can handle indefinite output short-circuit duration.
