Overview
The ADR01BRZ from Analog Devices Inc. is a precision 10.0 V voltage reference IC, part of the ADR01 series. This device is known for its high accuracy, high stability, and low power consumption, making it ideal for general-purpose and space-constrained applications. The ADR01BRZ is housed in an 8-lead SOIC package and is compatible with industry-standard REF01, offering a drop-in replacement with additional features like temperature monitoring.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VO | A and C grades | 9.990 | 10.000 | 10.010 | V |
| B grade | 9.995 | 10.000 | 10.005 | V | ||
| Initial Accuracy | VOERR | A and C grades | -10 | -0.1% | +10 mV, +0.1% | mV, % |
| B grade | -5 | -0.05% | +5 mV, +0.05% | mV, % | ||
| Temperature Coefficient | -40°C < TA < +125°C | 10 | 40 | ppm/°C | ||
| Dropout Voltage | VDO | VIN = 12.0 V to 36.0 V | 2 | V | ||
| Line Regulation | ΔVO/ΔVIN | VIN = 12.0 V to 36.0 V | 7 | 30 | ppm/V | |
| Load Regulation | ΔVO/ΔILOAD | Load current (ILOAD) = 0 mA to 10 mA | 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 | ||
| Turn-on Settling Time | tR | 4 | μs | |||
| Long-term Stability | ΔVOUT_LTD | 1000 hours | 50 | ppm | ||
| Output Voltage Hysteresis | ΔVOUT_HYS | 70 | ppm | |||
| Ripple Rejection Ratio | RRR | fIN = 10 kHz | -75 | dB | ||
| Short Circuit to GND | ISC | 30 | mA | |||
| Temperature Sensor Voltage Output | VTEMP | 550 | mV | |||
| Temperature Sensitivity | TCVTEMP | 1.96 | mV/°C |
Key Features
- High Accuracy and Stability: The ADR01BRZ offers high accuracy with initial accuracy of ±0.1% and a low temperature coefficient of 10 ppm/°C to 40 ppm/°C.
- Low Power Consumption: The device has a quiescent current of 0.65 mA to 1 mA, making it suitable for low-power applications.
- Compact Packaging: Available in 8-lead SOIC packages, which are pin-to-pin compatible with industry-standard REF01.
- Wide Operating Range: Operates over a wide supply voltage range of 12.0 V to 36.0 V and is specified over the extended industrial temperature range of -40°C to +125°C.
- Temperature Sensing: Includes a temperature sensor with a voltage output at the TEMP pin, allowing for temperature monitoring and approximation.
- TRIM Pin for Fine Adjustment: A TRIM pin is provided for fine adjustment of the output voltage.
- No External Capacitor Required: The device does not require an external capacitor for operation.
- Low Noise: Features low voltage noise of 20 μV p-p from 0.1 Hz to 10.0 Hz and a voltage noise density of 475 nV/√Hz at 1 kHz.
Applications
The ADR01BRZ is ideally suited for a variety of applications, including:
- General-Purpose Voltage References: Suitable for any application requiring a stable and accurate voltage reference.
- Space-Constrained Applications: The compact packaging makes it ideal for designs where space is limited.
- Automotive Applications: The A grade in 8-lead SOIC is qualified for automotive applications.
- Defense and Aerospace: The ADR01-EP version supports defense and aerospace applications, adhering to AQEC standards.
Q & A
- What is the output voltage of the ADR01BRZ?
The output voltage of the ADR01BRZ is 10.0 V. - What are the package options for the ADR01BRZ?
The ADR01BRZ is available in an 8-lead SOIC package. - What is the initial accuracy of the ADR01BRZ?
The initial accuracy is ±0.1% for A and C grades, and ±0.05% for B grade. - What is the temperature coefficient of the ADR01BRZ?
The temperature coefficient is 10 ppm/°C to 40 ppm/°C over the -40°C to +125°C temperature range. - Does the ADR01BRZ require an external capacitor?
No, the ADR01BRZ does not require an external capacitor for operation. - What is the quiescent current of the ADR01BRZ?
The quiescent current is 0.65 mA to 1 mA. - Can the ADR01BRZ be used for temperature sensing?
Yes, the device includes a temperature sensor with a voltage output at the TEMP pin. - Is the ADR01BRZ compatible with industry-standard REF01?
Yes, the SOIC version of the ADR01BRZ is pin-to-pin compatible with the REF01. - What is the ripple rejection ratio of the ADR01BRZ?
The ripple rejection ratio is -75 dB at an input frequency of 10 kHz. - Is the ADR01BRZ suitable for automotive applications?
Yes, the A grade in 8-lead SOIC is qualified for automotive applications.
