Overview
The ADM706ARZ-REEL from Analog Devices Inc. is a supervisor and reset IC designed to monitor and manage power supply conditions in various electronic systems. This component is part of the ADM706 series, which includes several variants with different reset threshold levels. The ADM706ARZ specifically has a reset threshold of 2.63 V, making it suitable for monitoring 3 V or 3.3 V power supplies. It features a precision supply voltage monitor, a debounced manual reset input, an independent watchdog timer, and power fail warning capabilities. This IC is available in an 8-lead SOIC package and is widely used in microprocessor and microcontroller-based systems to ensure reliable operation during power-up, power-down, and brownout conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VCC Operating Voltage Range | 1.0 | 5.5 | V | ||
| Supply Current | 100 | 150 | 200 | μA | VCC < 3.6 V |
| Supply Current | 150 | 250 | 350 | μA | VCC < 5.5 V |
| Reset Threshold (VRST) | 2.55 | 2.63 | 2.70 | V | |
| Reset Threshold Hysteresis | 20 | mV | |||
| Reset Pulse Width | 160 | 200 | 280 | ms | VCC = 3 V to 5.5 V |
| Watchdog Timeout Period | 1.00 | 1.60 | 2.25 | sec | |
| Operating Temperature Range | -40 | 85 | °C | ||
| Package | 8-lead SOIC |
Key Features
- Precision Supply Voltage Monitor: Monitors supply voltage with thresholds of 2.63 V, 2.93 V, or 3.08 V depending on the variant.
- Debounced Manual Reset Input (MR): Allows for manual reset with internal debouncing to prevent spurious resets.
- Independent Watchdog Timer: Ensures system operation by resetting if the watchdog input does not toggle within 1.6 seconds.
- Power Fail Warning: Provides a power fail input to detect low battery conditions or monitor an additional power supply.
- Reset Output: Generates an active low reset output during power-up, power-down, and brownout conditions.
- Low Quiescent Current: Operates with a quiescent current of 100 μA to 200 μA, depending on the VCC voltage.
- Wide Operating Voltage Range: Functions with VCC from 1 V to 5.5 V.
Applications
- Microprocessor and Microcontroller Systems: Ensures reliable operation during power-up, power-down, and brownout conditions.
- Embedded Systems: Suitable for use in various embedded systems requiring power supply monitoring and reset capabilities.
- Industrial Control Systems: Used in industrial control systems to monitor and manage power supply conditions.
- Consumer Electronics: Applied in consumer electronics to provide robust power management and reset functions.
- Automotive Systems: Used in automotive systems for reliable power supply monitoring and system reset.
Q & A
- What is the primary function of the ADM706ARZ-REEL?
The primary function is to monitor the supply voltage and generate a reset signal during power-up, power-down, and brownout conditions.
- What are the available package types for the ADM706ARZ-REEL?
The ADM706ARZ-REEL is available in an 8-lead SOIC package.
- What is the reset threshold voltage for the ADM706ARZ-REEL?
The reset threshold voltage for the ADM706ARZ-REEL is 2.63 V.
- What is the watchdog timeout period for the ADM706ARZ-REEL?
The watchdog timeout period is between 1.00 and 2.25 seconds.
- Can the ADM706ARZ-REEL operate at low supply voltages?
- What is the quiescent current of the ADM706ARZ-REEL?
The quiescent current ranges from 100 μA to 200 μA depending on the VCC voltage.
- Does the ADM706ARZ-REEL have a manual reset input?
- What is the operating temperature range of the ADM706ARZ-REEL?
The operating temperature range is from -40°C to +85°C.
- Can the ADM706ARZ-REEL be used in automotive systems?
- Where can I find the datasheet for the ADM706ARZ-REEL?
The datasheet can be found on the official Analog Devices website or through authorized distributors like JLCPCB, Utmel, and others.
