Overview
The AD8215YRZ-RL, produced by Analog Devices Inc., is a high voltage, precision current shunt monitor. This component is designed to perform unidirectional current measurements across a shunt resistor, making it suitable for various industrial and automotive applications. The AD8215 features a set gain of 20 V/V and maintains excellent output linearity throughout the input differential voltage range of 0 mV to 250 mV, regardless of the common-mode voltage present.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Gain | - | 20 | - | V/V | - |
| Gain Accuracy | - | ±0.15% | ±0.3% | - | Over entire temperature range |
| Operating Temperature Range | -40°C | - | +125°C | °C | Ambient temperature (TA) = 25°C |
| Supply Voltage | - | - | 12.5 V | V | Continuous |
| Input Voltage (Survival) | -3 V | - | +68 V | V | Continuous |
| Differential Input Voltage | - | - | 0.5 V | V | Reverse |
| ESD Rating (HBM) | - | - | ±4000 V | V | - |
| Output Short-Circuit Duration | - | - | Indefinite | - | - |
| Common-Mode Rejection Ratio (CMRR) at DC | - | 120 dB | - | dB | - |
Key Features
- High voltage operation: -2 V to +65 V input range and -3 V to +68 V survival range.
- Precision current sensing with a set gain of 20 V/V and ±0.3% gain error over the entire temperature range.
- Buffered output voltage directly interfaces with any typical converter.
- Excellent common-mode rejection ratio (CMRR) of 120 dB at DC.
- Low offset drift of 6 μV/°C and low gain drift of -8 ppm/°C.
- Operating temperature range of -40°C to +125°C.
- Qualified for automotive applications with controlled manufacturing for reliability.
- Available in an 8-lead SOIC package.
Applications
- Motor controls and transmission controls.
- Engine management and suspension controls.
- Vehicle dynamic controls.
- DC to DC converters.
- Solenoid controls and battery management.
- Industrial applications requiring high accuracy current sensing.
Q & A
- What is the primary function of the AD8215YRZ-RL?
The AD8215YRZ-RL is a high voltage, precision current shunt monitor designed to perform unidirectional current measurements across a shunt resistor.
- What is the gain of the AD8215YRZ-RL?
The AD8215YRZ-RL has a set gain of 20 V/V.
- What is the operating temperature range of the AD8215YRZ-RL?
The operating temperature range is -40°C to +125°C.
- What is the common-mode rejection ratio (CMRR) of the AD8215YRZ-RL?
The CMRR at DC is typically 120 dB.
- Is the AD8215YRZ-RL suitable for automotive applications?
Yes, the AD8215YRZ-RL is qualified for automotive applications with controlled manufacturing to support quality and reliability requirements.
- What package type is the AD8215YRZ-RL available in?
The AD8215YRZ-RL is available in an 8-lead SOIC package.
- What is the input voltage range for the AD8215YRZ-RL?
The input voltage range is -2 V to +65 V, with a survival range of -3 V to +68 V.
- How does the AD8215YRZ-RL maintain output linearity?
The AD8215YRZ-RL maintains output linearity throughout the input differential voltage range of 0 mV to 250 mV, regardless of the common-mode voltage present.
- What is the offset drift and gain drift of the AD8215YRZ-RL?
The offset drift is typically 6 μV/°C, and the gain drift is typically -8 ppm/°C.
- Can the AD8215YRZ-RL be used in DC to DC converters?
Yes, the AD8215YRZ-RL can be used in DC to DC converters among other industrial and automotive applications.
