Overview
The ADM811SARTZ-REEL is a microprocessor supervisory circuit produced by Analog Devices Inc. This component is designed to provide power-on reset and manual reset functions, ensuring stable operation of microprocessors in various applications. It features an active low reset output and is packaged in a 4-lead SOT-143 package, making it suitable for compact and reliable system designs.
Key Specifications
| Parameter | Rating/Value |
|---|---|
| Terminal Voltage (VCC) | −0.3 V to +6 V |
| Input Voltage (Other Inputs) | −0.3 V to VCC + 0.3 V |
| Input Current (VCC, MR) | 20 mA |
| Output Current (RESET) | 20 mA |
| Power Dissipation (TA = 70°C) | 200 mW (Derate by 4 mW/°C Above 70°C) |
| Thermal Impedance (θJA) | 330°C/W |
| Operating Temperature Range | −40°C to +85°C |
| Storage Temperature Range | −65°C to +160°C |
| Lead Temperature (Soldering, 10 sec) | 300°C |
| ESD Rating | 3 kV |
| Reset Output Type | Active Low |
| Reset Timeout | Typically 240 ms after power recovery |
| Package Type | 4-Lead SOT-143 |
Key Features
- Power-On Reset: Provides a reset signal to the microprocessor during power-up, ensuring both the power supply and microprocessor stabilize before operation begins.
- Manual Reset: Equipped with a debounced manual reset input to handle noisy environments and prevent spurious activity.
- Active Low Reset Output: The ADM811 provides an active low reset output, while the ADM812 provides an active high output (though the ADM811SARTZ-REEL is specifically an active low version).
- Low Voltage Operation: The reset output remains valid even when VCC is as low as 1 V during power-down.
- Compact Packaging: Available in a 4-lead SOT-143 package, making it suitable for space-constrained designs.
- RoHS Compliance: The ADM811SARTZ-REEL is RoHS compliant, ensuring environmental sustainability.
Applications
The ADM811SARTZ-REEL is widely used in various electronic systems that require reliable microprocessor supervision. These include:
- Embedded Systems: Ensures stable operation of microprocessors in embedded systems, such as industrial control systems, medical devices, and automotive electronics.
- Consumer Electronics: Used in consumer electronics like set-top boxes, gaming consoles, and other digital appliances.
- Industrial Automation: Provides reliable reset functions in industrial automation equipment, ensuring consistent and stable operation.
- Telecommunications: Employed in telecommunications equipment to maintain system integrity during power fluctuations.
Q & A
- What is the primary function of the ADM811SARTZ-REEL?
The primary function is to provide power-on reset and manual reset signals to ensure stable operation of microprocessors. - What type of reset output does the ADM811SARTZ-REEL provide?
The ADM811SARTZ-REEL provides an active low reset output. - What is the operating temperature range of the ADM811SARTZ-REEL?
The operating temperature range is −40°C to +85°C. - Is the ADM811SARTZ-REEL RoHS compliant?
Yes, the ADM811SARTZ-REEL is RoHS compliant. - What is the typical reset timeout after power recovery?
The typical reset timeout after power recovery is 240 ms. - How does the manual reset input handle noisy environments?
The manual reset input is debounced to handle noisy environments and prevent spurious activity. - What is the maximum input current for VCC and MR inputs?
The maximum input current for VCC and MR inputs is 20 mA. - What is the thermal impedance (θJA) of the ADM811SARTZ-REEL?
The thermal impedance (θJA) is 330°C/W. - What package type is the ADM811SARTZ-REEL available in?
The ADM811SARTZ-REEL is available in a 4-lead SOT-143 package. - What is the storage temperature range for the ADM811SARTZ-REEL?
The storage temperature range is −65°C to +160°C.
