Overview
The ADR03AUJZ-REEL7 is a precision voltage reference IC produced by Analog Devices Inc. This device is part of the ADR03 series, which features high accuracy, high stability, and low power consumption. The ADR03AUJZ-REEL7 provides a stable output voltage of 2.5V and is housed in a compact 5-lead TSOT-23 package. It is designed for general-purpose and space-constrained applications, making it ideal for various industrial and precision instrumentation uses.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | A and C grades | 2.475 | 2.5 | 2.525 | V |
| Initial Accuracy | VOERR | A and C grades | −5 | ±0.1% | +5 | mV |
| Temperature Coefficient | TCVO | A grade, 5-lead TSOT, −40°C < TA < +125°C | 25 | ppm/°C | ||
| Supply Voltage Range | VIN | 4.5 | 36.0 | V | ||
| Output Current | IOUT | 10 | mA | |||
| Operating Temperature Range | TA | −40 | +125 | °C |
Key Features
- Ultracompact 5-lead TSOT-23 package
- Low temperature coefficient: 25 ppm/°C maximum
- Initial accuracy: ±0.1% (A and C grades)
- No external capacitor required
- Low noise: 10 µV p-p, 0.1 Hz to 10.0 Hz
- Wide operating range: 4.5 V to 36.0 V
- High output current: 10 mA
- Wide temperature range: −40°C to +125°C
- TRIM pin for fine adjustment of the output voltage
- TEMP pin for temperature sensing and approximation with external buffer and resistor network
Applications
- Precision data acquisition systems
- High resolution converters
- Industrial process control systems
- Precision instruments
- Auto battery monitoring
- PCMCIA cards
Q & A
- What is the output voltage of the ADR03AUJZ-REEL7? The output voltage is 2.5V.
- What is the initial accuracy of the ADR03AUJZ-REEL7? The initial accuracy is ±0.1% for A and C grades.
- What is the temperature coefficient of the ADR03AUJZ-REEL7? The temperature coefficient is 25 ppm/°C maximum for the 5-lead TSOT package.
- What is the supply voltage range for the ADR03AUJZ-REEL7? The supply voltage range is from 4.5 V to 36.0 V.
- What is the maximum output current of the ADR03AUJZ-REEL7? The maximum output current is 10 mA.
- What are the package options for the ADR03 series? The ADR03 series is available in 5-lead SC70, 5-lead TSOT, and 8-lead SOIC packages.
- Is the ADR03AUJZ-REEL7 qualified for automotive applications? The A grade in the 8-lead SOIC package is qualified for automotive applications, but the TSOT package is not specifically mentioned for automotive use.
- Can the ADR03AUJZ-REEL7 be used for temperature sensing? Yes, the TEMP pin can be used for temperature sensing and approximation with an external buffer and a simple resistor network.
- Does the ADR03AUJZ-REEL7 require an external capacitor? No, the ADR03AUJZ-REEL7 does not require an external capacitor.
- What are some common applications of the ADR03AUJZ-REEL7? Common applications include precision data acquisition systems, high resolution converters, industrial process control systems, and precision instruments.
