Overview
The ADR01ARZ is a precision voltage reference from Analog Devices Inc., designed to provide high accuracy, stability, and low power consumption. This device is part of the ADR01 series, which includes other voltage references with different output voltages. The ADR01ARZ specifically offers a 10.0 V output voltage, making it suitable for a wide range of applications where precise voltage referencing is crucial.
The device is available in an 8-lead SOIC package and is compatible with industry-standard REF01 voltage references, making it a drop-in replacement in many existing designs. It operates over an extended industrial temperature range of −40°C to +125°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VO | VIN = 12.0 V to 36.0 V, TA = 25°C | 9.990 | 10.000 | 10.010 | V |
| Initial Accuracy | VOERR | A and C grades | −10 | −0.1% | +10 mV / +0.1% | mV / % |
| Temperature Coefficient | TCVO | −40°C < TA < +125°C | 10 | 40 | ppm/°C | |
| Line Regulation | ∆VO/∆VIN | VIN = 12.0 V to 36.0 V, −40°C < TA < +125°C | 7 | 30 | ppm/V | |
| Load Regulation | ∆VO/∆ILOAD | Load current (ILOAD) = 0 mA to 10 mA, −40°C < TA < +125°C, VIN = 15.0 V | 40 | 70 | ppm/mA | |
| Quiescent Current | IIN | No load, −40°C < TA < +125°C | 0.65 | 1 | mA | |
| Voltage Noise (p-p) | eN | 0.1 Hz to 10.0 Hz | 20 | µV p-p | ||
| Voltage Noise Density | eN | 1 kHz | 475 | nV/√Hz |
Key Features
- High Accuracy and Stability: The ADR01ARZ offers high initial accuracy and low drift over temperature, ensuring stable output voltage across various conditions.
- Low Power Consumption: The device has a low quiescent current, making it suitable for power-sensitive applications.
- Compact Packaging: Available in an 8-lead SOIC package, which is compatible with industry-standard REF01 voltage references.
- Wide Operating Range: Operates over an extended industrial temperature range of −40°C to +125°C.
- TRIM Pin for Fine Adjustment: Allows for fine adjustment of the output voltage using an external resistor network.
- Temperature Sensing Capability: The TEMP pin can be used for temperature sensing and approximation with an external buffer and resistor network.
Applications
- General-Purpose Voltage Referencing: Suitable for any application requiring a stable and accurate voltage reference.
- Automotive Systems: Qualified for automotive applications, especially where high reliability and stability are necessary.
- Industrial Control Systems: Ideal for use in industrial control systems that require precise voltage referencing over a wide temperature range.
- Medical Devices: Can be used in medical devices where high accuracy and stability of voltage references are critical.
- Space-Constrained Designs: The compact packaging makes it suitable for applications where space is limited.
Q & A
- What is the output voltage of the ADR01ARZ?
The output voltage of the ADR01ARZ is 10.0 V.
- What is the operating temperature range of the ADR01ARZ?
The ADR01ARZ operates over an extended industrial temperature range of −40°C to +125°C.
- What is the typical quiescent current of the ADR01ARZ?
The typical quiescent current of the ADR01ARZ is 1 mA.
- Is the ADR01ARZ compatible with industry-standard voltage references?
Yes, the ADR01ARZ is compatible with industry-standard REF01 voltage references.
- Can the ADR01ARZ be used for temperature sensing?
Yes, the TEMP pin can be used for temperature sensing and approximation with an external buffer and resistor network.
- What is the line regulation of the ADR01ARZ?
The line regulation of the ADR01ARZ is 7 ppm/V to 30 ppm/V over the specified input voltage range.
- What is the load regulation of the ADR01ARZ?
The load regulation of the ADR01ARZ is 40 ppm/mA to 70 ppm/mA over the specified load current range.
- Is the ADR01ARZ qualified for automotive applications?
Yes, the ADR01ARZ (A grade in 8-lead SOIC) is qualified for automotive applications.
- What is the voltage noise density of the ADR01ARZ at 1 kHz?
The voltage noise density of the ADR01ARZ at 1 kHz is 475 nV/√Hz.
- Can the output voltage of the ADR01ARZ be fine-tuned?
Yes, the output voltage can be fine-tuned using the TRIM pin with an external resistor network.
