Analog Devices Inc.
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ADR435BRMZ
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ADR435BRMZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High accuracy - Low temperature coefficient - Low dropout voltage - Low noise - Wide operating temperature range

Package: 8-Lead MSOP (Mini Small Outline Package)

Essence: ADR435BRMZ is a precision voltage reference IC that provides a stable and accurate output voltage.

Packaging/Quantity: The ADR435BRMZ is typically sold in reels of 250 units.

Specifications

  • Output Voltage Range: 2.5V to 5.0V
  • Initial Accuracy: ±0.05%
  • Temperature Coefficient: 3ppm/°C
  • Dropout Voltage: 300mV
  • Supply Voltage Range: 2.7V to 18V
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR435BRMZ has the following pin configuration:

  1. VOUT: Output Voltage
  2. GND: Ground
  3. NC: No Connection
  4. TRIM: Trim Pin for Fine Adjustment
  5. NC: No Connection
  6. VIN: Input Voltage
  7. NC: No Connection
  8. NC: No Connection

Functional Features

  • High precision and stability: The ADR435BRMZ offers excellent initial accuracy and low temperature coefficient, ensuring a highly stable output voltage over a wide temperature range.
  • Low dropout voltage: With a dropout voltage of only 300mV, the ADR435BRMZ can operate efficiently even with low input voltages.
  • Low noise: The IC is designed to minimize output voltage noise, making it suitable for applications requiring high signal integrity.
  • Wide supply voltage range: The ADR435BRMZ can operate from 2.7V to 18V, providing flexibility in various power supply configurations.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Low noise output - Wide operating temperature range

Disadvantages: - Limited output voltage range (2.5V to 5.0V) - No built-in overvoltage protection

Working Principles

The ADR435BRMZ utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. These components work together to maintain a consistent voltage output regardless of changes in ambient temperature.

Detailed Application Field Plans

The ADR435BRMZ is commonly used in applications that require precise and stable voltage references, such as: - Analog-to-digital converters (ADCs) - Digital-to-analog converters (DACs) - Voltage regulators - Precision instrumentation - Sensor calibration circuits

Detailed and Complete Alternative Models

  1. ADR445BRZ: Similar to ADR435BRMZ, but with an extended output voltage range of 4.096V to 5.0V.
  2. ADR4550BRZ: Offers a higher initial accuracy of ±0.02% and a lower temperature coefficient of 1ppm/°C.
  3. ADR435ARZ: Available in a different package (8-Lead SOIC) while maintaining similar specifications to ADR435BRMZ.

These alternative models provide options based on specific requirements and preferences, ensuring compatibility with various design considerations.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ADR435BRMZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ADR435BRMZ in technical solutions:

  1. Q: What is ADR435BRMZ? A: ADR435BRMZ is a precision voltage reference IC manufactured by Analog Devices.

  2. Q: What is the voltage range of ADR435BRMZ? A: The voltage range of ADR435BRMZ is typically between 2.5V and 5.5V.

  3. Q: What is the purpose of using ADR435BRMZ in technical solutions? A: ADR435BRMZ is commonly used as a stable voltage reference for accurate measurements or as a voltage source in various electronic circuits.

  4. Q: What is the output voltage accuracy of ADR435BRMZ? A: The output voltage accuracy of ADR435BRMZ is typically within ±0.05%.

  5. Q: Can ADR435BRMZ operate in extreme temperature conditions? A: Yes, ADR435BRMZ is designed to operate in a wide temperature range, typically from -40°C to +125°C.

  6. Q: How much current does ADR435BRMZ consume during operation? A: ADR435BRMZ has a low quiescent current consumption of typically 120µA.

  7. Q: Is ADR435BRMZ suitable for battery-powered applications? A: Yes, ADR435BRMZ's low power consumption makes it suitable for battery-powered applications where power efficiency is crucial.

  8. Q: Can ADR435BRMZ be used in high-precision measurement systems? A: Absolutely, ADR435BRMZ is specifically designed for high-precision applications, making it suitable for use in measurement systems.

  9. Q: Does ADR435BRMZ require any external components for operation? A: Yes, ADR435BRMZ requires a few external passive components like capacitors and resistors to ensure stability and accuracy.

  10. Q: What is the package type of ADR435BRMZ? A: ADR435BRMZ is available in a small surface-mount SOT-23 package, which is commonly used in compact electronic designs.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications or application requirements.