Overview
The ADM706SAR-REEL is a microprocessor supervisory circuit produced by Analog Devices Inc. This component is designed to monitor power supply conditions and provide reset signals during power-up, power-down, and brownout conditions. It is particularly suitable for applications requiring precise voltage monitoring and watchdog timer functionality.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Supply Voltage Range | 2.5 V to 5.5 V | |
| Reset Threshold Voltage | 2.93 V | Specific to ADM706S model |
| Quiescent Current | 100 µA | |
| Reset Pulse Width | 200 ms | |
| Watchdog Timeout Period | 1.6 sec | |
| Manual Reset Input (MR) | Active low, debounced | Internal 70 µA pull-up current |
| Reset Output | Active low | Remains operational with VCC as low as 1 V |
| Power Fail Input (PFI) Threshold | 1.2 V to 1.3 V | |
| Operating Temperature Range | -40°C to +85°C | |
| Package Type | 8-Lead SOIC (Small Outline IC) |
Key Features
- Precision supply voltage monitoring with reset threshold of 2.93 V.
- Low quiescent current of 100 µA.
- 200 ms reset pulse width.
- Independent watchdog timer with a 1.6 sec timeout period.
- Active low, debounced manual reset input (MR).
- Power fail input (PFI) for low battery detection or additional power supply monitoring.
- Reset output remains operational with VCC as low as 1 V.
- Available in 8-lead SOIC and PDIP packages.
Applications
- Microprocessor and microcontroller systems requiring power supply monitoring.
- Battery-powered devices needing low battery detection.
- Systems requiring watchdog timer functionality to ensure proper operation.
- Embedded systems where precise voltage monitoring is crucial.
- Industrial control systems and medical devices.
Q & A
- What is the primary function of the ADM706SAR-REEL?
The primary function is to monitor the power supply and generate reset signals during power-up, power-down, and brownout conditions.
- What is the reset threshold voltage for the ADM706S model?
The reset threshold voltage for the ADM706S model is 2.93 V.
- What is the quiescent current of the ADM706SAR-REEL?
The quiescent current is 100 µA.
- How long is the reset pulse width?
The reset pulse width is 200 ms.
- What is the watchdog timeout period?
The watchdog timeout period is 1.6 seconds.
- What type of manual reset input does the ADM706SAR-REEL have?
The manual reset input (MR) is active low and debounced.
- What is the operating temperature range of the ADM706SAR-REEL?
The operating temperature range is -40°C to +85°C.
- In what package types is the ADM706SAR-REEL available?
It is available in 8-lead SOIC and PDIP packages.
- What is the purpose of the power fail input (PFI)?
The power fail input (PFI) is used for low battery detection or to monitor an additional power supply.
- How low can the VCC be for the reset output to remain operational?
The reset output remains operational with VCC as low as 1 V.
