Overview
The ADM699ANZ, produced by Analog Devices Inc., is a microprocessor supervisory circuit designed to provide comprehensive power supply monitoring and watchdog timing functions. This component is part of the ADM698/ADM699 family, which offers robust solutions for ensuring proper system startup and operation in microprocessor-based systems. The ADM699ANZ is particularly useful in applications requiring reliable reset functionality and power failure detection.
Key Specifications
| Parameter | Min | Typ | Max | Units | Test Conditions/Comments |
|---|---|---|---|---|---|
| VCC Operating Voltage Range | 3.0 | 5.5 | 5.5 | V | |
| Supply Current | 0.6 | 1.95 | 1.95 | mA | |
| Reset Threshold | 4.5 | 4.65 | 4.73 | V | |
| Reset Active Time | 140 | 200 | 280 | ms | TA = +25°C, VCC = +5 V |
| Watchdog Timeout Period | 1.0 | 1.6 | 2.25 | s | TA = +25°C, VCC = +5 V |
| Minimum WDI Input Pulse Width | 50 | ns | VIL = 0.4, VIH = 3.5 V | ||
| RESET Output Voltage (VCC = 1 V) | 0.4 | V | ISINK = 10 µA, VCC = 1.0 V | ||
| Operating Temperature Range | -40 | 85 | °C |
Key Features
- Power Supply Monitoring: Monitors the 5 V VCC power supply and generates a RESET pulse during power-up, power-down, and low voltage 'Brown Out' conditions.
- Watchdog Timer: Features a watchdog timer with timeout periods of 1.0 to 2.25 seconds to monitor microprocessor activity.
- Reset Functionality: Provides an active high or active low reset output with a minimum timeout of 140 ms.
- Low Power Consumption: Operates with a low supply current of 0.6 to 1.95 mA.
- High Current Drive: Capable of driving up to 100 mA.
- Compact Packaging: Available in 8-pin plastic DIP and 16-lead SOIC packages.
Applications
- Microprocessor and Microcontroller-Based Systems: Ensures reliable system startup and operation in various microprocessor and microcontroller environments.
- Industrial Control and Automation: Used in industrial control systems to monitor and manage power supplies reliably.
- Telecommunications Equipment: Suitable for telecommunications equipment requiring robust power monitoring and reset functions.
- Consumer Electronics: Applied in consumer electronics to ensure proper system operation and power management).
- Automotive Systems: Can be used in automotive systems for power supply monitoring and watchdog timing).
Q & A
- What is the primary function of the ADM699ANZ?
The primary function of the ADM699ANZ is to monitor the power supply and provide reset signals to ensure proper system startup and operation in microprocessor-based systems.
- What are the typical reset threshold voltages for the ADM699ANZ?
The typical reset threshold voltage for the ADM699ANZ is 4.65 V, with a range of 4.5 V to 4.73 V.
- What is the minimum reset timeout period for the ADM699ANZ?
The minimum reset timeout period for the ADM699ANZ is 140 ms.
- Does the ADM699ANZ have a watchdog timer?
Yes, the ADM699ANZ features a watchdog timer with timeout periods ranging from 1.0 to 2.25 seconds.
- What is the operating temperature range of the ADM699ANZ?
The operating temperature range of the ADM699ANZ is -40°C to 85°C.
- What are the available package options for the ADM699ANZ?
The ADM699ANZ is available in 8-pin plastic DIP and 16-lead SOIC packages.
- Is the ADM699ANZ still in active production?
No, the ADM699ANZ is an obsolete product and is no longer in active production. However, equivalent or alternative models may be available.
- What is the supply current of the ADM699ANZ?
The supply current of the ADM699ANZ ranges from 0.6 mA to 1.95 mA.
- Can the ADM699ANZ drive high currents?
Yes, the ADM699ANZ can drive up to 100 mA.
- What are some common applications of the ADM699ANZ?
The ADM699ANZ is commonly used in microprocessor and microcontroller-based systems, industrial control and automation, telecommunications equipment, and consumer electronics.
