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ADM709LARZ-REEL
+Lista de MateriaisIC SUPERVISOR 1 CHANNEL 8SOIC
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #ADM709LARZ-REEL
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Ficha Técnica ADM709LARZ-REEL DataSheet
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Pacote SOIC-8
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | 4.65V |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| Reset Timeout | 140ms Minimum |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
The device monitors the power supply voltage and generates a reset signal if the voltage drops below a predefined threshold, ensuring that the microprocessor is reset in the event of a power failure. The manual reset input allows external control over the reset operation. The built-in watchdog timer helps detect and recover from software malfunctions by forcing a reset if the microprocessor fails to periodically toggle the watchdog input within a specified timeout period.
Typically used in computing systems and embedded applications, the ADM709LARZ-REEL is available in a compact, industry-standard package. It is suitable for a wide range of applications, including automotive, industrial, and consumer electronics, providing enhanced reliability and system stability.
Equivalent
1. MAX809 series by Maxim Integrated
2. MCP130 series by Microchip Technology
3. TPS382x series by Texas Instruments
4. NCP803 series by ON Semiconductor
These alternatives offer similar functionalities such as reset thresholds, monitoring voltages, and providing a reset output to a processor. Always check the datasheets for exact feature matches and electrical characteristics.
Features
1. Supply Voltage Monitoring: It supervises supply voltages of 3V, 3.3V, and 5V systems to detect undervoltage conditions.
2. Reset Functionality: The device provides a reset signal to a microprocessor during power-up, power-down, and brownout conditions, ensuring proper initialization.
3. Precision Voltage Sensor: It ensures accurate voltage sensing for reliable operation.
4. Manual Reset Input: This allows external triggering of the reset function.
5. Watchdog Timer: It features a watchdog timer to detect microprocessor failures and initiate a reset.
6. Low Power Consumption: It is designed for low power consumption, making it suitable for battery-operated devices.
7. Temperature Range: The device operates across an extended temperature range, suitable for various environmental conditions.
8. Package: Available in a compact SOT-23 package for space-constrained applications.
These features make the ADM709LARZ-REEL ideal for enhancing system reliability by supervising processor activities and power supply conditions.
Pinout
1. Reset Output: It provides a reset signal to the microprocessor during power-up, power-down, and brownout conditions, ensuring proper initialization.
2. Voltage Monitoring: It monitors the supply voltage and triggers a reset if the voltage falls below a preset threshold, protecting the system from improper operation.
3. Manual Reset Input: It includes a manual reset input pin that allows external control to generate a reset signal.
4. Watchdog Timer: The device features a watchdog timer function to reset the system if it detects a failure in the microprocessor's operation, preventing system hang-ups.
The ADM709LARZ-REEL is commonly used in embedded systems and applications requiring reliable power supervision to ensure microprocessor stability and data integrity.
Manufacturer
Application
1. Embedded Systems: Ensuring reliable operation by monitoring voltage and generating reset signals.
2. Consumer Electronics: Providing power-on reset in devices like TVs, gaming consoles, and set-top boxes.
3. Industrial Automation: Maintaining stable operation of programmable logic controllers (PLCs) and industrial PCs.
4. Networking Equipment: Ensuring proper boot-up and operation of routers and switches.
5. Automotive Electronics: Supporting reliable function of microcontrollers in automotive control systems.
These applications benefit from its ability to prevent improper operation due to voltage fluctuations.