ADR4540ARZ

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ADR4540ARZ

+BOM

IC VREF SERIES 0.04% 8SOIC

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Specifications

Attribute Value
Package / Case Tube
Part Status Active
Reference Type Series
Output Type Fixed
Voltage - Output (Min/Fixed) 4.096V
Current - Output 10 mA
Tolerance ±0.04%
Temperature Coefficient 4ppm/°C
Noise - 01 Hzto10 Hz 2.7µVp-p
Voltage - Input 4.2V ~ 15V
Supply Current 950µA
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount

Overview

Description

The ADR4540ARZ is a high-precision voltage reference designed by Analog Devices. It provides a stable and accurate reference voltage, making it ideal for applications requiring precise voltage measurements and calibrations. The device is part of the ADR45xx series, which is known for its low noise, low drift, and excellent long-term stability characteristics. The ADR4540ARZ typically offers an output voltage of 4.096V, but other variants within the series provide different voltage outputs to suit various needs.
Key features of the ADR4540ARZ include a low temperature coefficient, low output noise, and high initial accuracy, which are crucial for maintaining consistent performance in precision applications. It also exhibits excellent line and load regulation characteristics. The device typically comes in a small, space-saving package, making it suitable for compact designs.
Applications for the ADR4540ARZ include precision data acquisition systems, instrumentation, and test and measurement equipment, where maintaining a stable voltage reference is critical for accurate data processing and analysis.

Equivalent

The ADR4540ARZ is a high-precision voltage reference chip. Equivalent products include the LM4040 series from Texas Instruments, REF5040 from Texas Instruments, LT1021 from Analog Devices, and the MAX6250 from Maxim Integrated. These alternatives offer similar voltage reference functionalities and precision, but users should verify specifications like output voltage, temperature coefficient, and noise performance to ensure compatibility.

Features

The ADR4540ARZ is a high-precision voltage reference from Analog Devices. Key features include:
1. Output Voltage: It provides a stable 4.096 V output.
2. Accuracy: Offers excellent initial accuracy with low temperature drift.
3. Temperature Coefficient: The low drift over temperature ensures reliable performance in varying conditions.
4. Low Noise: It has low output noise, enhancing the performance of precision measurement systems.
5. Supply Range: Operates over a wide supply voltage range, typically from 4.5 V to 15 V.
6. Output Current: Capable of sourcing and sinking current, suitable for driving loads.
7. Thermal Hysteresis: Features low thermal hysteresis, maintaining output stability after temperature cycles.
8. Package: Comes in a compact SOIC-8 package, facilitating easy integration into circuit designs.
9. Applications: Ideal for use in data acquisition systems, precision instrumentation, and test equipment where high accuracy and stability are crucial.
These features make the ADR4540ARZ suitable for applications requiring a reliable and precise voltage reference.

Pinout

The ADR4540ARZ is a high-precision voltage reference from Analog Devices. It is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin configuration and function:
1. Pin 1 (TRIM/NC): Optional trimming pin used for fine-tuning the output voltage. Can be left unconnected if trimming is not required.
2. Pin 2 (VIN): Input voltage pin, where the supply voltage is applied.
3. Pin 3 (GND): Ground pin, serving as the reference point for the device.
4. Pin 4 (NC): No connection. This pin is not used and should be left unconnected.
5. Pin 5 (NC): No connection. This pin is not used and should be left unconnected.
6. Pin 6 (GND): Ground pin, serving as the reference point for the device. Internally connected to Pin 3.
7. Pin 7 (VOUT): Output voltage pin, providing the reference voltage (4.096 V for ADR4540).
8. Pin 8 (NC): No connection. This pin is not used and should be left unconnected.
The ADR4540ARZ provides a stable and precise reference voltage, making it ideal for high-resolution data acquisition systems, precision power supplies, and other applications that require a reliable voltage reference.

Manufacturer

The ADR4540ARZ is manufactured by Analog Devices, Inc. Analog Devices is a well-established company that specializes in the design and manufacturing of integrated circuits used in a wide range of electronic equipment. They are known for producing high-performance signal processing and data conversion components, which are essential in various technology sectors including communications, industrial, automotive, and consumer electronics. The company focuses on innovation in areas such as analog, mixed-signal, and digital signal processing technologies, providing solutions that enhance the performance and functionality of electronic devices.

Application

The ADR4540ARZ is a high-precision voltage reference device commonly used in various applications where accuracy and stability are paramount. Its application areas include:
1. Data Acquisition Systems: Provides a stable reference voltage for analog-to-digital converters (ADCs).
2. Instrumentation: Used in precision measurement equipment requiring reliable voltage references.
3. Industrial Control Systems: Ensures stable reference voltages in automation and control applications.
4. Communication Systems: Maintains consistent voltage levels in RF and microwave systems.
5. Medical Devices: Supports accurate measurements in diagnostic equipment.
6. Test and Measurement Equipment: Critical for calibration and testing devices requiring precise voltage references.
These applications benefit from the ADR4540ARZ's low drift and high accuracy.

Package

The ADR4540ARZ is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package.

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