Analog Devices Inc.
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ADM708RARZ
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ADM708RARZ

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Precision monitoring, low power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Ensures reliable system operation by monitoring the supply voltage
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 5.5V
  • Reset Threshold Voltage Options: 2.93V, 3.08V, 4.63V, 4.38V
  • Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADM708RARZ IC has a total of 8 pins:

  1. RESET: Active-low reset output
  2. GND: Ground reference
  3. VCC: Positive supply voltage
  4. MR: Manual reset input
  5. RESET: Active-low reset output
  6. RESET: Active-low reset output
  7. RESET: Active-low reset output
  8. RESET: Active-low reset output

Functional Features

  • Precision Monitoring: The ADM708RARZ accurately monitors the supply voltage and provides a reset signal when it falls below a specified threshold.
  • Low Power Consumption: This IC consumes minimal power, making it suitable for battery-powered applications.
  • Manual Reset Input: The MR pin allows for manual resetting of the device, overriding the automatic reset function.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Low power consumption extends battery life in portable devices. - Manual reset capability provides flexibility in system control.

Disadvantages: - Limited reset threshold voltage options may not suit all applications. - Fixed reset timeout periods may not be adjustable for specific requirements.

Working Principles

The ADM708RARZ operates by continuously monitoring the supply voltage. When the voltage drops below the specified threshold, the IC asserts a reset signal, indicating a power failure or an unstable voltage condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The ADM708RARZ is commonly used in various applications where reliable system operation is critical. Some of the typical application fields include:

  1. Microcontrollers: Ensures proper initialization and prevents erratic behavior during power-up.
  2. Industrial Control Systems: Monitors power supply stability to prevent malfunctions and ensure safe operation.
  3. Automotive Electronics: Protects sensitive electronic components from voltage fluctuations and ensures proper functioning.
  4. Medical Devices: Provides voltage supervision to guarantee the reliability and safety of medical equipment.

Detailed and Complete Alternative Models

  1. ADM709LARZ: Similar voltage supervisor IC with adjustable reset threshold and timeout options.
  2. MAX809: Voltage supervisor IC with a wide range of reset threshold voltage options.
  3. TPS3808: Precision voltage supervisor IC with adjustable reset timeout period.

Note: This is not an exhaustive list, and there are several alternative models available in the market that offer similar functionality.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ADM708RARZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ADM708RARZ in technical solutions:

  1. Q: What is ADM708RARZ? A: ADM708RARZ is a voltage monitoring and reset IC (integrated circuit) commonly used in electronic systems.

  2. Q: What is the purpose of ADM708RARZ? A: The purpose of ADM708RARZ is to monitor the power supply voltage and generate a reset signal when the voltage falls below a certain threshold.

  3. Q: How does ADM708RARZ work? A: ADM708RARZ continuously monitors the power supply voltage using an internal voltage reference. When the voltage drops below a preset threshold, it triggers a reset signal to ensure proper system operation.

  4. Q: What is the voltage range that ADM708RARZ can monitor? A: ADM708RARZ can monitor power supply voltages in the range of 1.8V to 5.5V.

  5. Q: Can ADM708RARZ be used in battery-powered applications? A: Yes, ADM708RARZ can be used in battery-powered applications as it has low quiescent current consumption, making it suitable for power-sensitive designs.

  6. Q: Does ADM708RARZ have any adjustable parameters? A: No, ADM708RARZ does not have adjustable parameters. It operates based on fixed voltage thresholds set by the manufacturer.

  7. Q: Can ADM708RARZ generate both active-high and active-low reset signals? A: Yes, ADM708RARZ can be configured to generate either an active-high or active-low reset signal, depending on the specific requirements of the system.

  8. Q: Is ADM708RARZ immune to voltage transients or noise? A: Yes, ADM708RARZ has built-in hysteresis and noise immunity features to ensure reliable operation in the presence of voltage transients or noise.

  9. Q: Can ADM708RARZ be used in safety-critical applications? A: Yes, ADM708RARZ is designed with various safety features, such as a watchdog timer and a manual reset input, making it suitable for safety-critical applications.

  10. Q: What are some typical applications of ADM708RARZ? A: ADM708RARZ is commonly used in microcontrollers, DSPs (digital signal processors), FPGA (field-programmable gate array) systems, industrial control systems, and other electronic devices that require reliable power supply monitoring and reset functionality.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of ADM708RARZ.