Overview
The ADM1816-R22ARTZ-R7 is a microprocessor reset circuit produced by Analog Devices Inc. This component is designed to monitor the voltage supply to a microprocessor and assert a reset signal if the voltage falls below a predetermined threshold. It is particularly suited for applications requiring reliable and precise voltage monitoring, especially in automotive and other critical systems.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Threshold | 2.18 V |
| Reset Output Type | Active Low/Open Drain |
| Reset Output Current | 350 µA (source), 8 mA (sink) at VCC ≥ 2.7 V |
| Internal Pull-Up Resistor | 3.5 kΩ to 7.5 kΩ |
| Output Capacitance | 10 pF |
| Reset Active Time | 100 ms to 250 ms |
| Operating Temperature Range | -40°C to +105°C |
| Package Type | 3-Pin SOT-23 |
| Compliance | RoHS Compliant |
Key Features
- Active low/open drain reset output with internal pull-up resistor.
- Precise voltage monitoring with multiple threshold options.
- Low power consumption and high accuracy.
- Compact 3-pin SOT-23 package suitable for space-constrained designs.
- Wide operating temperature range from -40°C to +105°C, making it suitable for automotive and industrial applications.
- RoHS compliance for environmental sustainability.
Applications
The ADM1816-R22ARTZ-R7 is ideal for various applications where reliable voltage monitoring is crucial, including:
- Automotive systems: Ensures microprocessor stability in vehicles.
- Industrial control systems: Monitors power supplies in industrial automation.
- Embedded systems: Provides reset functionality in embedded microcontroller designs.
- Medical devices: Ensures reliable operation in medical equipment.
Q & A
- What is the primary function of the ADM1816-R22ARTZ-R7?
The primary function is to monitor the voltage supply to a microprocessor and assert a reset signal if the voltage falls below a predetermined threshold. - What is the voltage threshold for the ADM1816-R22ARTZ-R7?
The voltage threshold is 2.18 V. - What type of reset output does the ADM1816-R22ARTZ-R7 have?
The reset output is active low/open drain. - What is the internal pull-up resistor range for the ADM1816-R22ARTZ-R7?
The internal pull-up resistor range is 3.5 kΩ to 7.5 kΩ. - What is the operating temperature range of the ADM1816-R22ARTZ-R7?
The operating temperature range is -40°C to +105°C. - What package type is the ADM1816-R22ARTZ-R7 available in?
The component is available in a 3-pin SOT-23 package. - Is the ADM1816-R22ARTZ-R7 RoHS compliant?
Yes, it is RoHS compliant. - What are some typical applications for the ADM1816-R22ARTZ-R7?
Typical applications include automotive systems, industrial control systems, embedded systems, and medical devices. - What is the reset active time for the ADM1816-R22ARTZ-R7?
The reset active time ranges from 100 ms to 250 ms. - What is the output capacitance of the ADM1816-R22ARTZ-R7?
The output capacitance is 10 pF.
