Overview
The ADM691ARZ-REEL, produced by Analog Devices Inc., is a microprocessor supervisory circuit designed to monitor and manage power supply functions in various electronic systems. This IC is particularly useful in ensuring the reliable operation of microprocessors, computers, controllers, and other intelligent instruments. It features a comprehensive set of functions including power-on reset, battery backup switching, watchdog timer, and power-failure warning. The ADM691ARZ-REEL is available in a 16-pin SOIC package and is suitable for automotive, industrial, and portable electronic applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Number of Pins | - | - | 16 | - | SOIC package |
| Min Supply Voltage | 2 | - | - | V | - |
| Max Supply Voltage | - | - | 5.5 | V | - |
| Threshold Voltage | - | - | 4.65 | V | Undervoltage threshold |
| Reset Timeout | 35 | - | - | ms | Minimum delay after receiving reset signal |
| Watchdog Timer | - | - | Yes | - | Internal or external clock |
| Max Operating Temperature | - | - | 85 | °C | - |
| Max Power Dissipation | - | - | 600 | mW | - |
| Operating Supply Current | - | 100 | - | µA | - |
| Packaging | - | - | Tape & Reel | - | - |
Key Features
- Active High/Active Low Reset Function: The IC provides both active high and active low reset outputs, allowing flexibility in system design.
- Battery Backup Switching: Automatically switches to battery backup for CMOS RAM, microprocessors, or other low-power logic during power failures.
- Watchdog Timer: Generates a reset pulse if the watchdog timer is not toggled within a specified time, ensuring system reliability.
- Precision Voltage Monitoring: Offers a ±2% tolerance on the voltage threshold, ensuring accurate monitoring of the power supply.
- Low Power Consumption: Operates with a low standby current of 1 µA, making it suitable for power-sensitive applications.
- Flexible Output Modes: Provides open drain and push-pull output modes for different application requirements.
- Compact Packaging: Available in a 16-pin SOIC package, which is suitable for small space circuit boards with fast heat dissipation.
Applications
- Mobile Communication: Provides stable voltage output and manages power supply to improve the performance and reliability of mobile devices.
- Portable Electronics: Suitable for smartwatches, tablets, and other portable electronics, offering efficient power management solutions.
- Automotive Electronics: Ensures stable voltage output and manages power supply in automotive systems, enhancing performance and lifespan.
- Industrial Production: Used in sensors, actuators, and controllers to provide reliable power management solutions for precise device control.
Q & A
- What is the primary function of the ADM691ARZ-REEL?
The primary function of the ADM691ARZ-REEL is to monitor and manage power supply functions in microprocessor systems, including power-on reset, battery backup switching, and watchdog timer functions.
- What is the threshold voltage for the ADM691ARZ-REEL?
The threshold voltage for the ADM691ARZ-REEL is 4.65V.
- What are the available output modes for the ADM691ARZ-REEL?
The ADM691ARZ-REEL provides both open drain and push-pull output modes.
- What is the maximum operating temperature for the ADM691ARZ-REEL?
The maximum operating temperature for the ADM691ARZ-REEL is 85°C.
- Is the ADM691ARZ-REEL RoHS compliant?
Yes, the ADM691ARZ-REEL is RoHS compliant and lead-free.
- What is the packaging type for the ADM691ARZ-REEL?
The ADM691ARZ-REEL is packaged in a 16-pin SOIC and is available in tape and reel format.
- What is the watchdog timer function in the ADM691ARZ-REEL?
The watchdog timer generates a reset pulse if it is not toggled within a specified time, ensuring system reliability.
- What are some common applications of the ADM691ARZ-REEL?
The ADM691ARZ-REEL is commonly used in mobile communication, portable electronics, automotive electronics, and industrial production.
- What is the minimum supply voltage for the ADM691ARZ-REEL?
The minimum supply voltage for the ADM691ARZ-REEL is 2V.
- Does the ADM691ARZ-REEL support battery backup switching?
Yes, the ADM691ARZ-REEL supports automatic battery backup switching for CMOS RAM and other low-power logic.
