Overview
The ADR01BR, produced by Analog Devices Inc., is a precision 10.0 V voltage reference device. It is part of the ADR01 series, which includes compact, low drift voltage references designed to provide a stable output voltage from a wide supply voltage range. The ADR01BR is housed in an 8-lead SOIC package and is known for its high accuracy, high stability, and low power consumption. This device is particularly suited for general-purpose and space-constrained applications due to its small footprint and wide operating range.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Output Voltage | VO | A and C grades, TA = 25°C | 9.990 | 10.000 | 10.010 | V |
| Output Voltage | VO | B grade, TA = 25°C | 9.995 | 10.000 | 10.005 | V |
| Initial Accuracy | VOERR | A and C grades | −10 | +10 | mV | |
| Initial Accuracy | VOERR | B grade | −5 | +5 | mV | |
| Temperature Coefficient | TCVO | −40°C < TA < +125°C | 10 ppm/°C | |||
| Line Regulation | ∆VO/∆VIN | VIN = 12.0 V to 36.0 V | 7 ppm/V | |||
| Load Regulation | ∆VO/∆ILOAD | Load current (ILOAD) = 0 mA to 10 mA | 40 ppm/mA | |||
| Quiescent Current | IIN | No load, −40°C < TA < +125°C | 0.65 | 1 | mA | |
| Voltage Noise (0.1 Hz to 10 Hz) | eN p-p | 20 µV p-p | ||||
| Voltage Noise Density at 1 kHz | eN | 475 nV/√Hz | ||||
| Turn-on Settling Time | tR | 4 µs | ||||
| Long-term Stability (1000 hours) | ΔVOUT_LTD | 50 ppm | ||||
| Ripple Rejection Ratio at 10 kHz | RRR | −75 dB | ||||
| Short Circuit to GND | ISC | 30 mA | ||||
| Voltage Output at TEMP Pin | VTEMP | 550 mV | ||||
| Temperature Sensitivity of TEMP Pin | TCVTEMP | 1.96 mV/°C |
Key Features
- Ultracompact Packages: Available in 5-lead SC70, TSOT-5, and 8-lead SOIC packages, making them ideal for space-constrained applications.
- High Accuracy and Stability: Initial accuracy of ±0.1% and low temperature coefficient (3 ppm/°C for SOIC-8 and 9 ppm/°C for SC70-5/TSOT-5).
- No External Capacitor Required: Simplifies circuit design and reduces component count.
- Low Noise: Voltage noise of 20 µV p-p (0.1 Hz to 10 Hz) and voltage noise density of 475 nV/√Hz at 1 kHz.
- Wide Operating Range: Supply voltage range from 12 V to 40 V for ADR01, and other models have similar wide ranges.
- High Output Current: Capable of delivering up to 10 mA of output current.
- Wide Temperature Range: Specified over the extended industrial temperature range of −40°C to +125°C.
- Temperature Sensing and Adjustment: TEMP pin for temperature sensing and TRIM pin for fine adjustment of the output voltage.
Applications
- Precision Data Acquisition Systems: Ideal for high-precision data acquisition due to their stable output voltage and low noise characteristics.
- High Resolution Converters: Suitable for applications requiring high resolution and accuracy.
- Industrial Process Control Systems: Used in industrial control systems where precise voltage references are crucial.
- Precision Instruments: Applied in various precision instruments that require stable voltage references.
- PCMCIA Cards: Used in PCMCIA cards and other compact electronic devices).
- Automotive Applications: A grade in 8-lead SOIC is qualified for automotive applications).
Q & A
- What is the output voltage of the ADR01BR?
The output voltage of the ADR01BR is 10.0 V).
- What are the available package options for the ADR01BR?
The ADR01BR is available in 8-lead SOIC packages, as well as in 5-lead SC70 and TSOT-5 packages for other models in the series).
- What is the initial accuracy of the ADR01BR?
The initial accuracy of the ADR01BR is ±0.1%).
- Does the ADR01BR require an external capacitor?
No, the ADR01BR does not require an external capacitor).
- What is the operating temperature range of the ADR01BR?
The operating temperature range of the ADR01BR is −40°C to +125°C).
- Can the ADR01BR be used for temperature sensing?
Yes, the ADR01BR has a TEMP pin that can be used for temperature sensing and approximation with an external buffer and resistor network).
- What is the quiescent current of the ADR01BR?
The quiescent current of the ADR01BR is 0.65 mA to 1 mA under no load conditions).
- What is the ripple rejection ratio of the ADR01BR?
The ripple rejection ratio of the ADR01BR is −75 dB at an input frequency of 10 kHz).
- Is the ADR01BR suitable for automotive applications?
Yes, the A grade in 8-lead SOIC of the ADR01 series is qualified for automotive applications).
- What is the long-term stability of the ADR01BR?
The long-term stability of the ADR01BR is 50 ppm over 1000 hours).
