Overview
The ADM693AARNZ-REEL, produced by Analog Devices Inc., is a microprocessor supervisory circuit designed to provide comprehensive power supply monitoring and battery control functions. This IC is part of the ADM693A family and is specifically packaged in a 16-lead SOIC (Small Outline Integrated Circuit) package. It is tailored for use in microprocessor systems, ensuring reliable operation by monitoring voltage levels, providing reset signals, and managing battery backup switchover.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Voltage Range (VCC) | 4.5 | 5.5 | V | ADM693A, ADM800M | |
| Reset Threshold Voltage | 4.4 | 4.4 ± 3% | V | ||
| Reset Time Delay | 200 ms | Adjustable | |||
| Watchdog Timeout | 100 ms | 1.6 s, Adjustable | |||
| Battery Backup Switching | Yes | ||||
| Chip Enable Signals | Yes | ||||
| Operating Temperature Range | -40°C | 85°C | |||
| Package Type | 16-SOIC | ||||
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant |
Key Features
- Precision Voltage Monitoring: The ADM693AARNZ-REEL features a precision voltage monitor with a tolerance of ±3% on the reset threshold voltage.
- Low Power Consumption: It has a low standby current of approximately 1 µA, making it energy-efficient.
- Automatic Battery Backup Power Switching: The IC automatically switches to battery backup when the main power supply fails.
- Fast Onboard Gating of Chip Enable Signals: It provides fast and reliable gating of chip enable signals, ensuring proper system operation.
- Adjustable Reset Time Delay and Watchdog Timeout: Both the reset time delay and watchdog timeout are adjustable, offering flexibility in system design.
Applications
- Microprocessor Systems: Ideal for monitoring and controlling power supplies in microprocessor-based systems.
- Computers and Controllers: Used in various computer and controller applications to ensure reliable power supply monitoring.
- Intelligent Instruments: Suitable for use in intelligent instruments that require precise power management.
- Automotive Systems: Applied in automotive systems for critical power monitoring and control.
Q & A
- What is the primary function of the ADM693AARNZ-REEL?
The primary function is to provide power supply monitoring and battery control functions for microprocessor systems. - What is the operating voltage range for the ADM693AARNZ-REEL?
The operating voltage range is from 4.5 V to 5.5 V. - What is the reset threshold voltage for this IC?
The reset threshold voltage is 4.4 V ± 3%. - Does the ADM693AARNZ-REEL support battery backup switching?
Yes, it supports automatic battery backup power switching. - What is the typical standby current of the ADM693AARNZ-REEL?
The typical standby current is approximately 1 µA. - Is the reset time delay adjustable?
Yes, the reset time delay is adjustable. - What is the package type of the ADM693AARNZ-REEL?
The package type is 16-lead SOIC. - What is the operating temperature range for this IC?
The operating temperature range is from -40°C to 85°C. - Is the ADM693AARNZ-REEL RoHS compliant?
No, it contains lead and is RoHS non-compliant. - What are some common applications of the ADM693AARNZ-REEL?
Common applications include microprocessor systems, computers, controllers, intelligent instruments, and automotive systems.
