Overview
The ADM708SAR-REEL is a Power Management Integrated Circuit (PMIC) supervisory component designed by Analog Devices Inc. This device is specifically engineered for monitoring power supply voltages and providing a reset signal to the system in the event of voltage drops or other power-related issues. It is particularly useful in ensuring system stability and preventing malfunctions due to undervoltage conditions.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Voltage Monitored | 1 | Single voltage monitoring |
| Voltage Threshold | 2.93 V | Preset threshold for voltage monitoring |
| Reset Outputs | Push-Pull (Active High/Active Low) | Dual output configuration for versatile reset signal |
| Reset Timeout | 160 ms Minimum | Programmable reset timeout |
| Operating Temperature Range | -40°C to +85°C | Industrial temperature range |
| Package/Case | 8-SOIC (Surface Mount) | Compact package for space-constrained designs |
| Quiescent Current | 100 µA | Low power consumption |
| Manual Reset Input (MR) | Debounced manual reset input | MR input with specified pulse width and threshold |
Key Features
- Precision Voltage Monitoring: The ADM708SAR monitors power supply voltages with a preset threshold of 2.93 V, ensuring accurate detection of undervoltage conditions.
- Dual Reset Outputs: Provides both active high and active low reset outputs, offering flexibility in system design.
- Programmable Reset Timeout: The reset timeout is programmable with a minimum of 160 ms, allowing for customized system reset behavior.
- Compact Package: Available in an 8-lead SOIC package, which is suitable for space-constrained PCB designs.
- Wide Operating Temperature Range: Operates reliably over a temperature range of -40°C to +85°C, making it suitable for various environmental conditions.
- Low Power Consumption: Features a low quiescent current of 100 µA, contributing to overall system power efficiency.
- Debounced Manual Reset Input: Includes a debounced manual reset input to prevent spurious resets.
Applications
- Consumer Electronics: Suitable for use in consumer electronic devices that require reliable power monitoring and reset functionality.
- Communication Equipment: Used in communication systems to ensure stable operation and prevent malfunctions due to power issues.
- Industrial Control Systems: Ideal for industrial control systems that demand precise voltage monitoring and reliable reset signals.
- Automotive Applications: Applicable in automotive systems where robust power management is crucial.
- Computer Systems: Employed in computer systems to provide power-on reset and low battery warning functions.
Q & A
- What is the primary function of the ADM708SAR?
The primary function of the ADM708SAR is to monitor power supply voltages and provide a reset signal to the system in the event of voltage drops or other power-related issues.
- What is the voltage threshold for the ADM708SAR?
The voltage threshold for the ADM708SAR is preset at 2.93 V.
- What types of reset outputs does the ADM708SAR provide?
The ADM708SAR provides both active high and active low reset outputs.
- What is the minimum reset timeout for the ADM708SAR?
The minimum reset timeout for the ADM708SAR is 160 ms.
- What is the operating temperature range of the ADM708SAR?
The operating temperature range of the ADM708SAR is -40°C to +85°C.
- What package type is the ADM708SAR available in?
The ADM708SAR is available in an 8-lead SOIC (Surface Mount) package.
- What is the quiescent current of the ADM708SAR?
The quiescent current of the ADM708SAR is 100 µA.
- Does the ADM708SAR have a watchdog timer function?
No, the ADM708SAR does not have a watchdog timer function; instead, it provides an additional active high reset output.
- What types of applications is the ADM708SAR suitable for?
The ADM708SAR is suitable for consumer electronics, communication equipment, industrial control systems, automotive applications, and computer systems.
- Is the ADM708SAR still in production?
No, the ADM708SAR is obsolete and no longer in production. However, replacements or upgrades may be available from the manufacturer or distributors.
