ADM692AARNZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Generator
• Characteristics:
  • Monitors the power supply voltage of a system
  • Generates a reset signal when the voltage falls below a specified threshold
  • Ensures proper functioning and reliability of electronic systems
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Provides voltage monitoring and reset generation functionality in a compact package
• Packaging/Quantity: Available in reels, with a quantity of 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 4.63V, 4.38V, 4.50V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Power Consumption: 10µA (typical)

Detailed Pin Configuration

The ADM692AARNZ has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Reset output
5. VTH: Voltage threshold selection input

Functional Features

• Voltage Monitoring: The ADM692AARNZ continuously monitors the power supply voltage.
• Reset Generation: When the voltage falls below the selected threshold, the IC generates a reset signal.
• Manual Reset: The manual reset input allows for an external reset signal to override the internal monitoring.
• Adjustable Threshold: The voltage threshold can be set using the VTH pin to match specific system requirements.

Advantages and Disadvantages

Advantages: - Compact size and easy integration into electronic systems - Wide supply voltage range allows for versatile applications - Adjustable threshold voltage for customization - Low power consumption

Disadvantages: - Limited number of threshold voltage options - Reset timeout period may not be suitable for all applications

Working Principles

The ADM692AARNZ operates by comparing the power supply voltage with the selected threshold voltage. When the voltage falls below the threshold, the reset output is activated, indicating a low-voltage condition. The reset signal remains active until the voltage rises above the threshold or a manual reset signal is received.

Detailed Application Field Plans

The ADM692AARNZ finds applications in various electronic systems where voltage monitoring and reset generation are critical. Some potential application fields include:

1. Microcontrollers: Ensuring proper system initialization and reliable operation.
2. Industrial Control Systems: Preventing malfunctions due to power supply fluctuations.
3. Automotive Electronics: Monitoring battery voltage and initiating system resets if necessary.
4. Power Management: Protecting sensitive components from undervoltage conditions.

Detailed and Complete Alternative Models

1. ADM803/ADM809: Similar voltage monitor and reset generator ICs from Analog Devices.
2. MAX823/MAX809: Voltage monitors and reset generators from Maxim Integrated.
3. MCP101/MCP102: Microcontroller supervisory circuits from Microchip Technology.

These alternative models offer similar functionality and can be considered as alternatives to the ADM692AARNZ based on specific requirements.

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