Спецификации
| Атрибут | Ценность |
| Package | Bulk,Tube |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 2.93V |
| Output | Push-Pull, Push-Pull |
| Reset | Active High/Active Low |
| ResetTimeout | 160ms Minimum |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Обзор
Description
The ADM708SARZ is a part of the ADM708 series by Analog Devices, which is a family of microprocessor supervisory circuits. These devices are designed to monitor the power supply voltage levels in microprocessor systems, ensuring that they operate reliably by providing reset signals when power supply abnormalities are detected.
Key features of the ADM708SARZ include:
1. Voltage Monitoring: It monitors the supply voltage and triggers a reset when the voltage drops below a predefined threshold, ensuring the microprocessor resets in a controlled manner during power fluctuations.
2. Reset Outputs: The device offers both active-high and active-low reset outputs, catering to various microprocessor requirements.
3. Manual Reset Capability: It allows a user to initiate a reset manually, providing flexibility for testing and development processes.
4. Watchdog Timer: The ADM708SARZ includes a watchdog timer to prevent system hang-ups by resetting the microprocessor if it fails to toggle within a specified time frame.
5. Low Power Consumption: The device is designed for low power usage, making it suitable for battery-operated applications.
Overall, the ADM708SARZ provides essential supervisory functions to enhance the reliability and robustness of microprocessor-based systems.
Key features of the ADM708SARZ include:
1. Voltage Monitoring: It monitors the supply voltage and triggers a reset when the voltage drops below a predefined threshold, ensuring the microprocessor resets in a controlled manner during power fluctuations.
2. Reset Outputs: The device offers both active-high and active-low reset outputs, catering to various microprocessor requirements.
3. Manual Reset Capability: It allows a user to initiate a reset manually, providing flexibility for testing and development processes.
4. Watchdog Timer: The ADM708SARZ includes a watchdog timer to prevent system hang-ups by resetting the microprocessor if it fails to toggle within a specified time frame.
5. Low Power Consumption: The device is designed for low power usage, making it suitable for battery-operated applications.
Overall, the ADM708SARZ provides essential supervisory functions to enhance the reliability and robustness of microprocessor-based systems.
Equivalent
The ADM708SARZ is a microprocessor supervisory circuit. Equivalent products include the MAX708 from Maxim Integrated, the LTC2900 from Analog Devices, and the DS1232 from Dallas Semiconductor. These products offer similar functionalities such as voltage monitoring, reset generation, and watchdog timer capabilities. When selecting an equivalent, ensure that the voltage threshold, reset timeout period, and package type meet your application's specific requirements.
Features
The ADM708SARZ is a microprocessor supervisory circuit designed to monitor and manage the operational integrity of microprocessor systems. Key features of the ADM708SARZ include:
1. Voltage Monitoring: It monitors the power supply voltage and provides a reset signal to the microprocessor when the voltage falls below a preset threshold, ensuring proper startup and shutdown.
2. Manual Reset Input: Allows an external pushbutton or signal to initiate a reset, providing flexibility for manual system resets.
3. Watchdog Timer: A built-in watchdog timer can reset the microprocessor if it fails to strobe the watchdog within a specified time, preventing system hangs.
4. Reset Timeout: Provides a reset timeout period to ensure that the microprocessor has sufficient time to initialize after a reset.
5. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered or power-sensitive applications.
6. Temperature Range: Operates over a wide temperature range, suitable for various industrial and consumer environments.
7. Package Type: Typically available in a small, compact package for easy integration into circuit designs.
These features make the ADM708SARZ ideal for enhancing the reliability and stability of embedded systems.
1. Voltage Monitoring: It monitors the power supply voltage and provides a reset signal to the microprocessor when the voltage falls below a preset threshold, ensuring proper startup and shutdown.
2. Manual Reset Input: Allows an external pushbutton or signal to initiate a reset, providing flexibility for manual system resets.
3. Watchdog Timer: A built-in watchdog timer can reset the microprocessor if it fails to strobe the watchdog within a specified time, preventing system hangs.
4. Reset Timeout: Provides a reset timeout period to ensure that the microprocessor has sufficient time to initialize after a reset.
5. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered or power-sensitive applications.
6. Temperature Range: Operates over a wide temperature range, suitable for various industrial and consumer environments.
7. Package Type: Typically available in a small, compact package for easy integration into circuit designs.
These features make the ADM708SARZ ideal for enhancing the reliability and stability of embedded systems.
Pinout
The ADM708SARZ is a microprocessor supervisory circuit designed to monitor power supply levels in microprocessor and digital systems. It typically comes in an 8-pin configuration. Here’s a brief overview of its pin functions:
1. VCC: Power supply input pin.
2. GND: Ground reference for the device.
3. RESET (Active Low): Outputs a reset signal when the monitored voltage is below the threshold or during power-up/down conditions.
4. RESET (Active High): Provides a high-level output reset signal complementary to the active low RESET.
5. MR (Manual Reset Input): Allows external assertion of the reset signal by driving it low.
6. WDI (Watchdog Input): Monitors the pulses from the microprocessor to ensure it is executing programs correctly.
7. NC (No Connect): This pin is not internally connected and can be left unconnected.
8. NC (No Connect): Another pin that is not internally connected.
These pins enable the ADM708SARZ to perform essential functions such as voltage monitoring, reset generation, and watchdog timer operations to maintain the reliable operation of microprocessor systems.
1. VCC: Power supply input pin.
2. GND: Ground reference for the device.
3. RESET (Active Low): Outputs a reset signal when the monitored voltage is below the threshold or during power-up/down conditions.
4. RESET (Active High): Provides a high-level output reset signal complementary to the active low RESET.
5. MR (Manual Reset Input): Allows external assertion of the reset signal by driving it low.
6. WDI (Watchdog Input): Monitors the pulses from the microprocessor to ensure it is executing programs correctly.
7. NC (No Connect): This pin is not internally connected and can be left unconnected.
8. NC (No Connect): Another pin that is not internally connected.
These pins enable the ADM708SARZ to perform essential functions such as voltage monitoring, reset generation, and watchdog timer operations to maintain the reliable operation of microprocessor systems.
Manufacturer
The ADM708SARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company serves a wide range of industries, including communications, computer, industrial, instrumentation, military/aerospace, automotive, and consumer electronics. Analog Devices is recognized for its innovation in the field of semiconductors, providing solutions that enable high-performance signal processing in a variety of applications.
Application
The ADM708SARZ is a microprocessor supervisory circuit used primarily in applications requiring monitoring and control of power supply levels. Key application areas include:
1. Embedded Systems: Ensures reliable microcontroller operations by monitoring supply voltage and providing a reset signal during power fluctuations.
2. Industrial Automation: Protects processors in PLCs and other industrial controllers from data corruption due to power instability.
3. Consumer Electronics: Maintains system integrity in devices like set-top boxes, gaming consoles, and smart appliances.
4. Networking Equipment: Safeguards routers and switches against unexpected resets due to power drops.
5. Telecommunications: Ensures stable operation of communication devices and base stations by supervising voltage levels.
These applications benefit from the ADM708SARZ's ability to prevent data loss and system crashes.
1. Embedded Systems: Ensures reliable microcontroller operations by monitoring supply voltage and providing a reset signal during power fluctuations.
2. Industrial Automation: Protects processors in PLCs and other industrial controllers from data corruption due to power instability.
3. Consumer Electronics: Maintains system integrity in devices like set-top boxes, gaming consoles, and smart appliances.
4. Networking Equipment: Safeguards routers and switches against unexpected resets due to power drops.
5. Telecommunications: Ensures stable operation of communication devices and base stations by supervising voltage levels.
These applications benefit from the ADM708SARZ's ability to prevent data loss and system crashes.
Package
The ADM708SARZ is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) type.