Overview
The ADM1818-20ARTZ-RL7 is a microprocessor reset circuit produced by Analog Devices Inc. This component is part of the ADM181x family of voltage monitoring circuits, designed to ensure system reliability by monitoring power supply voltages and initiating a reset when the voltage falls outside specified thresholds.
It is particularly suitable for applications requiring low-cost, reliable voltage monitoring for 2.5 V, 3 V, 3.3 V, and 5 V power supply voltages. The device features a reset output that can be used to restart the system in case of a voltage anomaly.
Key Specifications
| Parameter | Value |
|---|---|
| Reset Threshold Voltage | 2.47 V to 2.55 V to 2.64 V |
| Operating Temperature Range | −40°C to +105°C |
| Storage Temperature Range | −65°C to +150°C |
| VCC Range | −0.3 V to +6.0 V |
| Input Current | 20 mA |
| Thermal Impedance (SOT-23) | 270°C/W |
| Thermal Impedance (SC70) | 146°C/W |
| Lead Temperature (Soldering, 10 sec) | 300°C |
| Reset Active Time | 100 ms to 150 ms to 250 ms |
| Output Capacitance | 10 pF |
| VCC Detect to Reset Time (Falling) | 10 µs |
| VCC Detect to Reset Time (Rising) | 100 ms to 150 ms to 250 ms |
Key Features
- Low-Cost Voltage Monitoring: The ADM1818-20ARTZ-RL7 offers reliable and cost-effective voltage monitoring for various power supply voltages.
- Reset Output: Provides a reset output to restart the system when the voltage falls outside the specified thresholds.
- Wide Operating Temperature Range: Operates over a temperature range of −40°C to +105°C, making it suitable for a variety of environments.
- Internal Pull-Up Resistor: Features an internal pull-up resistor, simplifying the circuit design.
- Push-Button Reset Capability: Supports push-button reset functionality for additional system control.
Applications
- Microprocessor and Microcontroller Systems: Ideal for ensuring the reliability of microprocessor and microcontroller-based systems by monitoring their power supply voltages.
- Embedded Systems: Suitable for use in embedded systems where voltage monitoring is critical for system stability.
- Industrial Control Systems: Can be used in industrial control systems to monitor and reset systems in case of voltage anomalies.
- Consumer Electronics: Applicable in consumer electronics where reliable power supply monitoring is essential.
Q & A
- What is the primary function of the ADM1818-20ARTZ-RL7?
The primary function is to monitor power supply voltages and initiate a reset if the voltage falls outside specified thresholds.
- What are the reset threshold voltages for the ADM1818-20ARTZ-RL7?
The reset threshold voltages are 2.47 V to 2.55 V to 2.64 V.
- What is the operating temperature range of the ADM1818-20ARTZ-RL7?
The operating temperature range is −40°C to +105°C.
- Does the ADM1818-20ARTZ-RL7 have an internal pull-up resistor?
Yes, it features an internal pull-up resistor.
- What is the thermal impedance of the SOT-23 package?
The thermal impedance of the SOT-23 package is 270°C/W.
- How long does the reset active time range for the ADM1818-20ARTZ-RL7?
The reset active time ranges from 100 ms to 150 ms to 250 ms.
- What is the output capacitance of the ADM1818-20ARTZ-RL7?
The output capacitance is 10 pF.
- Does the ADM1818-20ARTZ-RL7 support push-button reset functionality?
Yes, it supports push-button reset functionality.
- What are some common applications for the ADM1818-20ARTZ-RL7?
Common applications include microprocessor and microcontroller systems, embedded systems, industrial control systems, and consumer electronics.
- What is the storage temperature range for the ADM1818-20ARTZ-RL7?
The storage temperature range is −65°C to +150°C.
