ADM8698ARN

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: Precision monitoring, low power consumption
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Ensures stable operation of electronic systems by monitoring voltage levels
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 4.63V, 4.38V, 4.50V
• Reset Timeout Period Options: 140ms, 450ms, 900ms, 1800ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VCC: Supply voltage input
2. GND: Ground reference
3. RESET: Active-low reset output
4. MR: Manual reset input
5. CT: Capacitor connection for reset timeout period
6. TH: Threshold voltage selection
7. NC: No connection
8. NC: No connection

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Provides a manual reset option through the MR pin.
• Offers flexibility in selecting the reset threshold voltage and timeout period.
• Low quiescent current consumption, suitable for battery-powered applications.
• Built-in glitch immunity ensures reliable operation.

Advantages

• Precise voltage monitoring helps prevent system malfunctions or data corruption.
• Wide supply voltage range allows compatibility with various electronic systems.
• Multiple reset threshold voltage and timeout period options offer customization.
• Low power consumption extends battery life in portable devices.
• Glitch immunity enhances system reliability.

Disadvantages

• Limited number of reset threshold voltage and timeout period options.
• Not suitable for applications requiring high precision or fast response times.
• May require additional external components for specific system requirements.

Working Principles

ADM8698ARN operates by continuously monitoring the supply voltage. When the voltage falls below the selected threshold, the device generates a reset signal on the RESET pin. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered through the MR pin. The CT pin allows the user to connect an external capacitor to adjust the reset timeout period.

Detailed Application Field Plans

ADM8698ARN finds applications in various electronic systems where stable operation is critical. Some potential application fields include:

1. Microcontrollers: Ensures reliable operation by monitoring the power supply voltage and resetting the microcontroller if necessary.
2. Industrial Control Systems: Protects sensitive equipment from voltage fluctuations and ensures uninterrupted operation.
3. Automotive Electronics: Monitors the vehicle's electrical system to prevent damage to sensitive components during voltage variations.
4. Medical Devices: Provides voltage supervision to ensure the proper functioning of medical equipment.
5. Home Automation: Safeguards smart home devices by monitoring the power supply and initiating a reset if needed.

Detailed and Complete Alternative Models

1. ADM8699ARN: Similar to ADM8698ARN but with additional features such as watchdog timer functionality.
2. MAX809: Voltage supervisor IC with adjustable reset threshold and timeout period options.
3. LTC2937: Precision voltage monitor with programmable threshold levels and configurable delay times.

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