Overview
The ADM693AARWZ-REEL is a supervisory circuit produced by Analog Devices Inc. This component is part of the ADM691A/ADM693A/ADM800L/ADM800M family, designed to provide comprehensive power supply monitoring and battery control functions in microprocessor systems. It offers features such as precision voltage monitoring, watchdog timer, and automatic battery backup power switching, making it an essential component for ensuring the reliability and stability of microprocessor-based systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Voltage Range (VCC) | 4.5 | 5.5 | V | ||
| Reset Voltage Threshold | 4.25 | 4.40 | 4.50 | V | VCC Falling |
| Reset Timeout Period (Internal Oscillator) | 140 | 200 | 280 | ms | |
| Watchdog Timeout Period (Internal Oscillator) | 1.0 | 1.6 | 2.25 | s | Long Period |
| Output Resistance (VCC to VOUT) | 0.8 | 1.2 | Ω | VCC = 4.5 V | |
| Operating Temperature Range | -40 | 85 | °C | ||
| Package Type | 16-SOIC |
Key Features
- Precision voltage monitoring with ±2% tolerance on reset threshold
- Low power consumption with 1 μA standby current
- Automatic battery backup power switching
- Watchdog timer with adjustable timeout periods
- Fast onboard gating of chip enable signals
- Active high/active low reset output and power fail output
Applications
- Microprocessor systems
- Computers and controllers
- Intelligent instruments
- Automotive systems
- Critical power monitoring systems
Q & A
- What is the primary function of the ADM693AARWZ-REEL?
The primary function is to provide power supply monitoring and battery control functions in microprocessor systems.
- What is the operating voltage range for the ADM693AARWZ-REEL?
The operating voltage range is from 4.5 V to 5.5 V.
- What is the reset voltage threshold for the ADM693AARWZ-REEL?
The reset voltage threshold is between 4.25 V and 4.50 V.
- What is the watchdog timeout period for the internal oscillator?
The watchdog timeout period ranges from 1.0 s to 2.25 s for the long period.
- What is the package type of the ADM693AARWZ-REEL?
The package type is 16-SOIC.
- What are the typical applications of the ADM693AARWZ-REEL?
Typical applications include microprocessor systems, computers, controllers, intelligent instruments, and automotive systems.
- Does the ADM693AARWZ-REEL support battery backup power switching?
- What is the standby current of the ADM693AARWZ-REEL?
The standby current is 1 μA.
- Is the ADM693AARWZ-REEL RoHS compliant?
No, it contains lead and is RoHS non-compliant.
- What is the operating temperature range of the ADM693AARWZ-REEL?
The operating temperature range is from -40°C to 85°C.
