Overview
The ADM690AARNZ is a microprocessor supervisory circuit produced by Analog Devices Inc. This component is part of the ADM690-ADM695 family, which offers comprehensive single-chip solutions for power supply monitoring and battery control functions. It is designed to ensure reliable operation of microprocessors and other digital systems by monitoring power supply voltages and providing reset signals when the voltage falls below a predetermined threshold. The ADM690AARNZ also features a watchdog timer and backup battery switchover, making it a robust solution for various electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 8-pin SOIC (Small Outline Integrated Circuit) |
| Supply Voltage Range | 4.5V to 5.5V |
| Reset Threshold Voltage | 4.37V (typical) |
| Watchdog Timer | 1.6 seconds (typical) |
| Backup Battery Switchover | Automatic switchover to backup battery when main supply fails |
| Operating Temperature Range | -40°C to +85°C |
| Pull-Up/Pull-Down Configuration | Push-Pull, Totem Pole output |
Key Features
- Power supply monitoring with reset signal generation
- Automatic backup battery switchover
- Watchdog timer to detect and reset stuck microprocessors
- Push-Pull, Totem Pole output configuration
- Operating temperature range from -40°C to +85°C
Applications
The ADM690AARNZ is suitable for a variety of applications, including:
- Microprocessor and microcontroller systems
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive electronics
Q & A
- What is the primary function of the ADM690AARNZ? The primary function is to monitor power supply voltages and provide reset signals to ensure reliable operation of microprocessors and other digital systems.
- What type of package does the ADM690AARNZ come in? It comes in an 8-pin SOIC package.
- What is the typical reset threshold voltage for the ADM690AARNZ? The typical reset threshold voltage is 4.37V.
- Does the ADM690AARNZ have a watchdog timer? Yes, it includes a watchdog timer with a typical duration of 1.6 seconds.
- What happens when the main supply fails? The ADM690AARNZ automatically switches to the backup battery when the main supply fails.
- What is the operating temperature range of the ADM690AARNZ? The operating temperature range is from -40°C to +85°C.
- What type of output configuration does the ADM690AARNZ have? It has a Push-Pull, Totem Pole output configuration.
- Where can I find detailed specifications for the ADM690AARNZ? Detailed specifications can be found in the datasheet available on Analog Devices' official website and other electronic component distributors like Digi-Key.
- Is the ADM690AARNZ suitable for automotive applications? Yes, it is suitable for automotive electronics due to its robust features and operating temperature range.
- Can I use the ADM690AARNZ in medical devices? Yes, it is suitable for use in medical devices due to its reliability and precision in power supply monitoring.
