Overview
The ADM811SARTZ-REEL7 is a microprocessor supervisory circuit manufactured by Analog Devices Inc. This device is designed to monitor the voltage levels of a microprocessor system and provide a reset signal when the voltage falls below a predetermined threshold. It is particularly useful in ensuring the stable operation of microprocessors during power-up, power-down, and in cases of voltage brownouts or interruptions.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADM811SARTZ-REEL7 |
| Package | 4-Lead SOT-143 (TO-253-4, TO-253AA) |
| Threshold Voltage | 2.93V |
| Supply Voltage Min/Max | 1.2V / 5.5V |
| Reset Type | Active-Low, Push-Pull |
| Operating Temperature Range | -40°C to +85°C |
| Storage Temperature Range | -65°C to +160°C |
| Lead Temperature (Soldering) | 300°C (10 sec) |
| ESD Rating | 3 kV |
| Power Dissipation (TA = 70°C) | 200 mW (Derate by 4 mW/°C above 70°C) |
| Thermal Impedance | 330°C/W |
Key Features
- Manual reset input with debouncing to prevent unwanted glitches from switch bouncing or noise.
- Active-low reset output that remains valid down to VCC = 1V during power-down.
- 140ms typical reset pulse width after the supply voltage recovers from a brownout or interruption.
- Operating temperature range of -40°C to +85°C.
- RoHS compliant.
Applications
The ADM811SARTZ-REEL7 is suitable for various applications requiring reliable voltage monitoring and reset functionality, such as:
- Microprocessor and microcontroller systems.
- Embedded systems.
- Industrial control systems.
- Automotive electronics.
- Medical devices.
Q & A
- What is the primary function of the ADM811SARTZ-REEL7?
The primary function is to monitor the voltage levels of a microprocessor system and provide a reset signal when the voltage falls below a predetermined threshold. - What is the threshold voltage for the ADM811SARTZ-REEL7?
The threshold voltage is 2.93V. - What is the package type of the ADM811SARTZ-REEL7?
The package type is 4-Lead SOT-143 (TO-253-4, TO-253AA). - What is the operating temperature range of the ADM811SARTZ-REEL7?
The operating temperature range is -40°C to +85°C. - Does the ADM811SARTZ-REEL7 have a manual reset feature?
Yes, it has a manual reset input with debouncing to prevent unwanted glitches. - What is the typical reset pulse width of the ADM811SARTZ-REEL7?
The typical reset pulse width is 140ms after the supply voltage recovers from a brownout or interruption. - Is the ADM811SARTZ-REEL7 RoHS compliant?
Yes, it is RoHS compliant. - What is the maximum power dissipation of the ADM811SARTZ-REEL7 at TA = 70°C?
The maximum power dissipation is 200 mW, derating by 4 mW/°C above 70°C. - What is the thermal impedance of the ADM811SARTZ-REEL7?
The thermal impedance is 330°C/W. - What are some common applications for the ADM811SARTZ-REEL7?
Common applications include microprocessor and microcontroller systems, embedded systems, industrial control systems, automotive electronics, and medical devices.
