ADM708TARZ

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ADM708TARZ

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IC SUPERVISOR 1 CHANNEL 8SOIC

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사양

속성 가치
Part Status Active
Digi Key Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 3.08V
Output Push-Pull, Push-Pull
Reset Active High/Active Low
Reset Timeout 160ms Minimum
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ADM708

개요

Description

The ADM708TARZ is a microprocessor supervisory circuit designed to ensure reliable operation of microprocessors by monitoring supply voltage levels. It provides a series of functions essential for microprocessor systems, including power-on reset, manual reset, and watchdog timer capabilities. The device is part of the ADM708 series, known for its low power consumption and precision in voltage monitoring.
Key features of the ADM708TARZ include:
1. Voltage Monitoring: It monitors supply voltage and initiates a reset when the voltage drops below a specified threshold, protecting the microprocessor from brownout conditions.

2. Reset Functionality: The device generates a reset signal during power-up, power-down, and brownout conditions, ensuring that the processor starts in a known state.
3. Watchdog Timer: It includes a watchdog timer that requires periodic toggling to prevent the system from locking up due to software faults.
4. Manual Reset Input: Provides an input pin for manual reset functionality, allowing external control over the reset process.
The ADM708TARZ is typically used in applications that require high reliability and precision, such as embedded systems and industrial controllers.

Equivalent

The ADM708TARZ is a microprocessor supervisory circuit. Equivalent products include:
1. MAX708 from Maxim Integrated: Offers similar reset functions and voltage monitoring.
2. TPS382x series from Texas Instruments: Provides voltage supervisor and reset capabilities.
3. MCP101/102 from Microchip Technology: Provides voltage monitoring and reset features.
4. STM708 series from STMicroelectronics: Similar functionality with reset and voltage monitoring.
Always verify the specifications to ensure compatibility with your specific application.

Features

The ADM708TARZ is a microprocessor supervisory circuit designed to monitor power supplies in microprocessor systems, ensuring they operate correctly. Key features include:
1. Supply Voltage Monitoring: It monitors the supply voltage and asserts a reset if the voltage falls below a predefined threshold, ensuring the microprocessor is reset during power-up, power-down, and brownout conditions.
2. Reset Output: The device provides a reset output which remains asserted for a minimum of 140 ms after the supply voltage has stabilized, ensuring proper microprocessor start-up.
3. Manual Reset Input: Includes a manual reset input that allows for an external push-button or signal to trigger a reset.
4. Low Power Consumption: The ADM708TARZ is designed for low power operation, making it suitable for battery-powered applications.
5. Precision Voltage Reference: It features accurate voltage threshold levels to ensure reliable and precise operation.
6. Operating Temperature Range: It operates over an extended industrial temperature range, making it suitable for a wide range of applications.
These features make the ADM708TARZ ideal for enhancing the reliability of microprocessor-based systems.

Pinout

The ADM708TARZ is a microprocessor supervisory circuit manufactured by Analog Devices. It typically comes in an 8-pin package. The primary function of the ADM708TARZ is to monitor the power supply voltage to a microprocessor and assert a reset signal whenever the monitored voltage drops below a specified threshold. This helps in preventing erratic operation of the microprocessor under low voltage conditions.
Key functions of the ADM708TARZ include:
- Voltage monitoring and reset generation to ensure proper microprocessor function.
- Watchdog timer to reset the microprocessor if it becomes unresponsive.
- Manual reset function, allowing an external signal to trigger a reset.
- Power-fail comparator to provide an early warning of power failure.
The pins are typically allocated as follows:
1. VCC - Power supply input.
2. GND - Ground reference.
3. RESET - Active-low reset output.
4. MR - Manual reset input.
5. WDI - Watchdog input.
6. PFI - Power-fail input.
7. PFO - Power-fail output.
8. NC (No Connect) or other specific functions may vary depending on the exact package and model specifications.
Ensure to consult the specific datasheet for detailed pin configuration and description.

Manufacturer

The ADM708TARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. The company provides a wide range of products that are essential for converting, conditioning, and processing real-world phenomena, such as temperature, pressure, sound, light, speed, and motion, into electrical signals for processing in various applications. Analog Devices serves a diverse set of markets including industrial, automotive, communications, healthcare, and consumer electronics, making it a key player in the electronics industry.

Application

The ADM708TARZ is a microprocessor supervisory circuit used primarily in the fields of embedded systems and electronics. Its key applications include monitoring and ensuring the reliability of microprocessor systems by providing power supply monitoring, reset generation, and watchdog functionalities. It is commonly used in consumer electronics, industrial automation systems, communication equipment, and any application requiring reliable microprocessor operation. The device helps prevent erratic system behavior by ensuring that processors restart in a controlled manner during power fluctuations, brownouts, or after a power-up. This makes it essential in safety-critical applications where system reliability and data integrity are paramount.

Package

The ADM708TARZ is available in an 8-lead SOIC (Small Outline Integrated Circuit) package.

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