Overview
The ADM706TAR-REEL is a precision supply voltage monitor and reset IC produced by Analog Devices Inc. This component is part of the ADM706 series, designed to provide robust power supply monitoring and reset functionality for various electronic systems. It is particularly suited for applications requiring reliable power-up, power-down, and brownout detection.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VCC Operating Voltage Range | 1.0 | 5.5 | V | ||
| Supply Current | 190 | 250 | µA | VCC = 4.75 V to 5.5 V, TA = TMIN to TMAX | |
| Reset Threshold | 3.08 | V | For ADM706T | ||
| Reset Pulse Width | 160 | 200 | 280 | ms | |
| Reset Output Voltage | 0.3 | V | VCC = 1 V, ISINK = 50 µA | ||
| Operating Temperature Range | -40 | 85 | °C | Industrial (Version A) | |
| Package Type | Narrow 8-lead PDIP and 8-lead SOIC |
Key Features
- Precision supply voltage monitor with reset threshold levels of 2.63 V, 2.93 V, and 3.08 V for different models.
- Low quiescent current of 100 µA.
- Debounced manual reset input (MR) compatible with TTL, CMOS logic, or manual reset switch.
- Independent watchdog timer with a 1.6 sec timeout.
- Active high or active low reset output, depending on the model.
- Power fail input (PFI) for low battery detection or additional power supply monitoring.
- Reset output remains operational with VCC as low as 1 V.
Applications
- Microprocessor systems and computers requiring robust power supply monitoring.
- Controllers and intelligent instruments where reliable power-up and power-down detection is crucial.
- Critical microprocessor supply monitoring in various industrial and embedded systems.
Q & A
- What is the primary function of the ADM706TAR-REEL?
The primary function is to provide precision supply voltage monitoring and generate reset outputs during power-up, power-down, and brownout conditions.
- What are the available reset threshold levels for the ADM706 series?
The reset threshold levels are 2.63 V, 2.93 V, and 3.08 V for different models within the series.
- What is the quiescent current of the ADM706TAR-REEL?
The quiescent current is 100 µA.
- Does the ADM706TAR-REEL have a watchdog timer function?
- What types of reset outputs are available?
The device can provide active high or active low reset outputs, depending on the specific model.
- What is the purpose of the power fail input (PFI)?
The PFI is used for low battery detection or to monitor an additional power supply.
- What are the available package types for the ADM706TAR-REEL?
The device is available in narrow 8-lead PDIP and 8-lead SOIC packages.
- What is the operating temperature range for the ADM706TAR-REEL?
The operating temperature range is -40°C to +85°C for the industrial version.
- Is the reset output operational at low VCC levels?
- What is the manual reset input (MR) compatible with?
The MR input is compatible with TTL, CMOS logic, or a manual reset switch and is internally debounced.
