Overview
The ADR430BRZ-REEL7 is a precision voltage reference IC from Analog Devices Inc., part of the ADR43x series. This family of XFET (eXtra implanted junction FET) voltage references is known for its low noise, high accuracy, and minimal temperature drift. The ADR430BRZ-REEL7 is designed to provide a stable and precise output voltage, making it suitable for a variety of high-precision applications.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | A Grade, VIN = 4.1 V to 18 V, IL = 0 mA, TA = 25°C | 2.045 | 2.048 | 2.051 | V |
| Output Voltage | VOUT | B Grade, VIN = 4.1 V to 18 V, IL = 0 mA, TA = 25°C | 2.047 | 2.048 | 2.049 | V |
| Initial Accuracy | VOERR | A Grade | ±3 mV | |||
| Initial Accuracy | VOERR | B Grade | ±1 mV | |||
| Temperature Coefficient | TCVOUT | A Grade, −40°C < TA < +125°C | 10 ppm/°C | |||
| Temperature Coefficient | TCVOUT | B Grade, −40°C < TA < +125°C | 3 ppm/°C | |||
| Line Regulation | ∆VOUT/∆VIN | VIN = 4.1 V to 18 V, −40°C < TA < +125°C | 20 ppm/V | |||
| Load Regulation | ∆VOUT/∆IL | IL = 0 mA to 10 mA, VIN = 5.0 V, −40°C < TA < +125°C | 15 ppm/mA | |||
| Supply Voltage Operating Range | VIN | 5.0 | 18 | V | ||
| Supply Voltage Headroom | VIN − VOUT | 2 | V | |||
| Output Current Source/Sink Capability | Source: up to 30 mA, Sink: up to 20 mA | |||||
| Temperature Range | −40°C to +125°C | |||||
| Package Type | SOIC-8 |
Key Features
- Low Noise: 3.5 µV p-p at 2.500 V output in the 0.1 Hz to 10.0 Hz frequency range.
- No External Capacitor Required: Simplifies circuit design and reduces component count.
- Low Temperature Coefficient: A grade: 10 ppm/°C maximum, B grade: 3 ppm/°C maximum.
- High Accuracy: Initial accuracy of ±3 mV (A grade) and ±1 mV (B grade).
- Current Source and Sink Capability: Can source up to 30 mA and sink up to 20 mA.
- Trim Terminal: Allows adjustment of the output voltage over a 0.5% range without compromising performance.
- Extended Industrial Temperature Range: Operates from −40°C to +125°C.
Applications
- Precision Data Acquisition Systems: High accuracy and low noise make it ideal for precise data acquisition.
- High Resolution Data Converters: Suitable for applications requiring high precision and stability.
- Medical Instruments: Used in medical devices where precise voltage references are critical).
- Industrial Process Control Systems: Provides stable voltage references in industrial control systems).
- Optical Control Circuits: Used in optical control circuits where precision is essential).
- Precision Instruments: General use in precision instruments requiring stable voltage references).
Q & A
- What is the output voltage of the ADR430BRZ-REEL7?
The output voltage of the ADR430BRZ-REEL7 is 2.048 V for both A and B grades, with slight variations depending on the grade and conditions).
- What is the temperature coefficient of the ADR430BRZ-REEL7?
The temperature coefficient is 10 ppm/°C for A grade and 3 ppm/°C for B grade over the −40°C to +125°C temperature range).
- Does the ADR430BRZ-REEL7 require an external capacitor?
No, the ADR430BRZ-REEL7 does not require an external capacitor).
- What is the supply voltage operating range of the ADR430BRZ-REEL7?
The supply voltage operating range is from 5.0 V to 18 V).
- What is the maximum output current source and sink capability of the ADR430BRZ-REEL7?
The ADR430BRZ-REEL7 can source up to 30 mA and sink up to 20 mA).
- What is the package type of the ADR430BRZ-REEL7?
The package type is SOIC-8).
- What are the typical applications of the ADR430BRZ-REEL7?
Typical applications include precision data acquisition systems, high resolution data converters, medical instruments, industrial process control systems, optical control circuits, and precision instruments).
- What is the noise performance of the ADR430BRZ-REEL7?
The noise performance is 3.5 µV p-p at 2.500 V output in the 0.1 Hz to 10.0 Hz frequency range).
- Can the output voltage of the ADR430BRZ-REEL7 be adjusted?
Yes, the output voltage can be adjusted over a 0.5% range using the trim terminal).
- What is the RoHS compliance status of the ADR430BRZ-REEL7?
The ADR430BRZ-REEL7 is RoHS compliant).
