ADR431ARZ

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ADR431ARZ

+BOM

IC VREF SERIES 0.12% 8SOIC

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Specifications

Attribute Value
Package Tube
Series XFET®
ProductStatus Active
ReferenceType Series
OutputType Fixed
Voltage-Output(Min/Fixed) 2.5V
Current-Output 30 mA
Tolerance ±0.12%
TemperatureCoefficient 10ppm/°C
Noise-01Hzto10Hz 3.5µVp-p
Voltage-Input 4.5V ~ 18V
Current-Supply 800µA
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The ADR431ARZ is a precision voltage reference device produced by Analog Devices. It is designed to provide a stable and accurate reference voltage for a variety of electronic applications. The ADR431ARZ typically outputs a fixed reference voltage, commonly 2.5V, and is known for its low noise, low temperature coefficient, and high initial accuracy, making it suitable for high-precision applications such as data converters, test equipment, and instrumentation.
Key features of the ADR431ARZ include its low dropout voltage and wide input voltage range, which enhance its versatility in different circuit configurations. It also boasts excellent line and load regulation characteristics, ensuring minimal variation in output voltage due to changes in input voltage or load conditions. The device is available in various package options, including the SOIC package, and is designed to operate over a wide temperature range, making it reliable for use in both consumer electronics and industrial environments. Its small form factor and robust performance make it a popular choice for engineers seeking a reliable voltage reference.

Equivalent

The ADR431ARZ is a precision voltage reference. Equivalent products include:
1. LT1236 by Analog Devices - A precision voltage reference known for low drift and low noise.
2. LM4040 by Texas Instruments - A micropower shunt voltage reference.
3. REF5045 by Texas Instruments - Offers high precision and low drift.
4. TL431 by Texas Instruments - A widely used adjustable precision shunt regulator.
These products offer similar functionality but may vary slightly in specifications like voltage tolerance, temperature drift, and package type.

Features

The ADR431ARZ is a precision voltage reference from Analog Devices. It offers a stable output voltage of 2.5V with a high accuracy initial voltage tolerance. Key features include:
1. Low Drift: It boasts a low temperature coefficient, ensuring minimal variation in output voltage over a wide temperature range, enhancing stability and reliability.
2. Low Noise: The device provides low output noise without requiring external filtering, making it suitable for high-precision applications.
3. Wide Supply Voltage Range: It operates over a wide supply voltage range, improving versatility for various applications.
4. Output Current Capability: The ADR431ARZ can source and sink output current, which adds flexibility in driving loads.
5. Low Power Consumption: It requires minimal power, making it ideal for battery-operated devices.
6. Small Package: Available in a small, space-saving package, it is suitable for compact designs.
7. Applications: Commonly used in data acquisition systems, precision instrumentation, and digital voltmeters.
These features make the ADR431ARZ suitable for applications requiring high precision and stability.

Pinout

The ADR431ARZ is a precision voltage reference from Analog Devices. It is typically used in applications requiring a stable voltage reference for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision measurement systems.
The ADR431ARZ is packaged in an 8-pin SOIC (Small Outline Integrated Circuit). Here is a brief overview of the pin functions:
1. Vin (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground connection.
3. TRIM/NC (Pin 3): Optional trim pin for fine-tuning the output voltage, or it can be left unconnected (NC) if trimming is not needed.
4. NC (Pin 4): No connection; this pin is not internally connected.
5. NC (Pin 5): No connection; this pin is not internally connected.
6. NC (Pin 6): No connection; this pin is not internally connected.
7. Vout (Pin 7): Output voltage pin providing the precise reference voltage.
8. NC (Pin 8): No connection; this pin is not internally connected.
The ADR431ARZ provides a precise output voltage and is used for applications requiring high accuracy and stability.

Manufacturer

The ADR431ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide range of industries, including communications, computer, industrial, instrumentation, military/aerospace, automotive, and consumer electronics. Analog Devices is known for its expertise in data conversion and signal processing technologies, which are crucial for developing precision analog components such as voltage references, amplifiers, and converters.

Application

The ADR431ARZ is a precision voltage reference used in various applications that require stable voltage outputs. Key areas include:
1. Data Acquisition Systems: Ensures accurate analog-to-digital conversion by providing a stable reference voltage.
2. Instrumentation: Offers precision voltage for sensitive measurement equipment.
3. Industrial Controls: Enhances the accuracy of control systems by maintaining consistent voltage levels.
4. Communications Equipment: Supports stable signal processing by providing a reliable voltage reference.
5. Medical Devices: Ensures precise operation of diagnostics and monitoring equipment.
6. Power Supplies: Stabilizes output voltages in regulated power supply designs.
Its low noise and high accuracy make it suitable for critical applications requiring reliable voltage references.

Package

The ADR431ARZ is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package.

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