Overview
The ADM706TARZ is a microprocessor supervisory circuit manufactured by Analog Devices Inc. This component is designed to provide precision supply voltage monitoring and reset functionality for microprocessor systems. It is particularly useful in applications requiring reliable power supply monitoring and watchdog timer functions. The ADM706TARZ is available in an 8-lead SOIC package and operates over a supply voltage range of 1 V to 5.5 V, making it versatile for various system designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Operating Voltage Range (VCC) | 1.0 | 5.5 | V | ||
| Supply Current | 100 | 150 | 350 | μA | VCC < 3.6 V, VCC < 5.5 V |
| Reset Threshold (VRST) | 3.00 | 3.08 | 3.15 | V | ADM706T |
| Reset Pulse Width | 160 | 200 | 280 | ms | |
| Watchdog Timeout Period | 1.00 | 1.60 | 2.25 | sec | |
| Power Fail Input Threshold (PFI) | 1.2 | 1.25 | 1.3 | V | |
| Package Type | 8-lead SOIC |
Key Features
- Precision Supply Voltage Monitor: The ADM706TARZ provides precise monitoring of the supply voltage with reset thresholds of 3.08 V.
- Low Quiescent Current: The device has a quiescent current of 100 μA to 350 μA, depending on the supply voltage.
- Independent Watchdog Timer: An independent watchdog timer with a 1.6 sec timeout period ensures system reliability.
- Reset Output: Active low reset output with a pulse width of 200 ms, operational down to VCC = 1 V.
- Power Fail Warning: A 1.25 V threshold detector for power fail warning, low battery detection, or monitoring an additional power supply.
- Debounced Manual Reset Input: An active low debounced manual reset input (MR) is included for manual system reset.
- Compact Package: Available in an 8-lead SOIC package, suitable for space-constrained designs.
Applications
- Microprocessor Systems: Ideal for monitoring and resetting microprocessors during power-up, power-down, and brownout conditions.
- Computers and Controllers: Suitable for use in computer systems and microcontroller-based applications requiring reliable power supply monitoring.
- Intelligent Instruments: Used in intelligent instruments that require precise voltage monitoring and watchdog functionality.
- Power-Fail Detection: Useful for detecting power fail conditions and providing low battery warnings in various electronic systems.
Q & A
- What is the primary function of the ADM706TARZ?
The primary function of the ADM706TARZ is to provide precision supply voltage monitoring and reset functionality for microprocessor systems.
- What is the operating voltage range of the ADM706TARZ?
The operating voltage range of the ADM706TARZ is from 1 V to 5.5 V.
- What is the quiescent current of the ADM706TARZ?
The quiescent current of the ADM706TARZ is 100 μA to 350 μA, depending on the supply voltage.
- What is the reset threshold voltage for the ADM706TARZ?
The reset threshold voltage for the ADM706TARZ is 3.08 V.
- Does the ADM706TARZ have a watchdog timer function?
Yes, the ADM706TARZ includes an independent watchdog timer with a 1.6 sec timeout period.
- What is the package type of the ADM706TARZ?
The ADM706TARZ is available in an 8-lead SOIC package.
- Can the ADM706TARZ detect power fail conditions?
Yes, the ADM706TARZ includes a 1.25 V threshold detector for power fail warning and low battery detection.
- Is the reset output of the ADM706TARZ active high or active low?
The reset output of the ADM706TARZ is active low.
- What is the reset pulse width of the ADM706TARZ?
The reset pulse width of the ADM706TARZ is 200 ms.
- Is the ADM706TARZ RoHS compliant?
Yes, the ADM706TARZ is RoHS compliant.
