Overview
The ADR421ARZ-REEL7 is a high-precision, low-noise voltage reference IC manufactured by Analog Devices Inc. This component is part of the ADR42x series, known for its ultraprecision and stability over a wide temperature range. The ADR421ARZ-REEL7 is specifically designed to provide a fixed output voltage of 2.5V with exceptional accuracy and minimal temperature drift, making it suitable for a variety of precision applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | A Grade | 2.497 | 2.500 | 2.503 | V |
| Output Voltage | VOUT | B Grade | 2.499 | 2.500 | 2.501 | V |
| Initial Accuracy | VOUTERR | A Grade | -3 | - | 3 | mV |
| Initial Accuracy | VOUTERR | B Grade | -1 | - | 1 | mV |
| Temperature Coefficient | TCVOUT | A Grade | - | - | 10 | ppm/°C |
| Temperature Coefficient | TCVOUT | B Grade | - | - | 3 | ppm/°C |
| Supply Voltage Headroom | VIN - VOUT | - | - | 2 | V | |
| Line Regulation | ΔVOUT/ΔVIN | VIN = 5 V to 18 V | 10 | - | 35 | ppm/V |
| Load Regulation | ΔVOUT/ΔIL | IL = 0 mA to 10 mA | 70 | - | - | ppm/mA |
| Quiescent Current | IIN | No load | 390 | 500 | 600 | μA |
| Package | - | - | - | - | SOIC-8 | |
| Operating Temperature Range | - | - | - | - | -40°C to +125°C |
Key Features
- High Precision: The ADR421ARZ-REEL7 offers high precision with an initial accuracy of ±0.12% for the A grade and ±0.04% for the B grade.
- Low Noise: This voltage reference is designed to provide low noise output, making it suitable for applications requiring high signal integrity.
- Temperature Stability: The device exhibits a low temperature coefficient of 2 ppm/°C for the A grade and 1 ppm/°C for the B grade, ensuring stable output voltage over a wide temperature range.
- Wide Operating Range: It operates with a supply voltage range of 5.0 V to 18 V and can handle load currents up to 10 mA.
- Compact Package: The component is packaged in an 8-pin SOIC, which is compact and suitable for space-constrained designs.
- RoHS Compliance: The ADR421ARZ-REEL7 is RoHS compliant, ensuring environmental sustainability.
Applications
- Precision Instrumentation: Ideal for use in precision measurement instruments, such as multimeters, oscilloscopes, and signal generators.
- Industrial Control Systems: Suitable for industrial control systems that require stable and accurate voltage references.
- Medical Devices: Used in medical devices where high precision and low noise are critical, such as in patient monitoring systems and diagnostic equipment.
- Aerospace and Defense: Applicable in aerospace and defense systems where reliability and precision are paramount.
- Automotive Systems: Can be used in automotive systems that require stable voltage references over a wide temperature range.
Q & A
- What is the output voltage of the ADR421ARZ-REEL7?
The output voltage of the ADR421ARZ-REEL7 is 2.5V with an initial accuracy of ±0.12% for the A grade and ±0.04% for the B grade.
- What is the operating temperature range of the ADR421ARZ-REEL7?
The operating temperature range is -40°C to +125°C.
- What is the package type of the ADR421ARZ-REEL7?
The component is packaged in an 8-pin SOIC (Small Outline Integrated Circuit).
- Is the ADR421ARZ-REEL7 RoHS compliant?
Yes, the ADR421ARZ-REEL7 is RoHS compliant.
- What is the supply voltage range for the ADR421ARZ-REEL7?
The supply voltage range is from 5.0 V to 18 V.
- What is the maximum load current the ADR421ARZ-REEL7 can handle?
The maximum load current is 10 mA.
- What are the key applications of the ADR421ARZ-REEL7?
The key applications include precision instrumentation, industrial control systems, medical devices, aerospace and defense systems, and automotive systems.
- How does the temperature coefficient affect the output voltage of the ADR421ARZ-REEL7?
The temperature coefficient is 2 ppm/°C for the A grade and 1 ppm/°C for the B grade, indicating minimal change in output voltage over the operating temperature range.
- What is the quiescent current of the ADR421ARZ-REEL7?
The quiescent current is 390 μA to 600 μA, depending on the operating conditions.
- Where can I find the datasheet for the ADR421ARZ-REEL7?
The datasheet can be found on the official Analog Devices website or through distributors like Mouser Electronics and Heisener).
