MAX708ESA-TG

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MAX708ESA-TG

+BOM

IC SUPERVISOR 1 CHANNEL 8SOIC

  • 제조업체온세미

  • 제조업체 부품 #MAX708ESA-TG

  • 재고7434

365 1일 품질 보증

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90-판매 후 1일 보증

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사양

속성 가치
Part Status Obsolete
Digi Key Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 4.4V
Output Push-Pull, Push-Pull
Reset Active High/Active Low
Reset Timeout 140ms 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 MAX708

개요

Description

The MAX708ESA-TG is a microprocessor supervisory circuit designed to monitor and manage the operation of microcontrollers and digital systems. It ensures reliable system performance by addressing common issues such as power supply glitches, brownouts, and power failures. The MAX708ESA-TG provides a reset output that activates during these conditions, preventing the microprocessor from executing erroneous operations.
Key features of the MAX708ESA-TG include a precision voltage reference and comparator, ensuring an accurate reset threshold. It typically monitors the supply voltage and generates a reset signal if the voltage drops below a predetermined level. Additionally, it features a manual reset input, a watchdog timer to monitor the microprocessor's operation, and low power consumption, making it suitable for battery-operated devices.
The device is available in a small, surface-mount package, facilitating easy integration into a variety of applications. Overall, the MAX708ESA-TG enhances system reliability and guarantees that microprocessors start and operate correctly under all power conditions.

Equivalent

The MAX708ESA-TG is a microprocessor supervisory circuit. Equivalent products with similar functionality include:
1. MCP1316T-29LE/OT from Microchip Technology
2. ADM809TARTZ-REEL7 from Analog Devices
3. TPS3808G09DBVR from Texas Instruments
4. LM809M3-2.93 from Texas Instruments
These alternatives offer similar features such as voltage monitoring and reset capabilities, suitable for microprocessor reset applications. Always verify specifications to ensure compatibility with your specific application.

Features

The MAX708ESA-TG is a supervisory circuit designed to monitor microprocessor activity and provide a robust reset feature. Key features include:
1. Voltage Monitoring: Monitors the supply voltage and provides a reset to the microprocessor during power-up, power-down, and brownout conditions.
2. Reset Output: Offers a push-pull reset output with a guaranteed active state for VCC as low as 1V.
3. Manual Reset Input: Includes a manual reset input for user-initiated resets.
4. Watchdog Timer: Features a watchdog timer that prompts a reset if the microprocessor fails to toggle the watchdog input within a specified time frame.
5. Low Supply Current: Consumes minimal power, making it suitable for battery-powered applications.
6. Precision Threshold: Provides a precision voltage threshold for accurate monitoring.
7. Temperature Range: Operates over an extended temperature range, enhancing suitability for various applications.
These features make the MAX708ESA-TG ideal for ensuring reliable operation in systems that demand precise voltage monitoring and robust reset capabilities.

Pinout

The MAX708ESA-TG is an integrated circuit commonly used as a microprocessor supervisory device. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary functions of the MAX708 include monitoring power supply voltage levels and providing a reset signal to ensure proper operation of a microprocessor.
Here are the pin functions:
1. VCC: Power supply input.
2. GND: Ground reference for power supply.
3. RESET: Reset output that goes low when VCC falls below the reset threshold or when manual reset is activated.
4. MR: Manual Reset input. Activating this input generates a reset signal.
5. WDI: Watchdog Input. Used to monitor the microprocessor's activity and trigger a reset if the microprocessor fails to respond.
6. WDO: Watchdog Output. Provides an indication of a watchdog timeout.
7. PFO: Power-fail Output. Indicates that the power-fail threshold has been reached.
8. PFI: Power-fail Input. Used to monitor an unregulated power supply voltage.
The MAX708 is designed to ensure system reliability by monitoring supply voltage levels and providing a reliable reset signal during power-up, power-down, and brownout conditions.

Manufacturer

The MAX708ESA-TG is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing, manufacturing, and marketing a wide range of analog and mixed-signal integrated circuits. The company serves various industries, including automotive, industrial, communications, consumer, and computing markets. The integration with Analog Devices has expanded its capabilities and market reach, combining expertise in high-performance analog technology.

Application

The MAX708ESA-TG is a microprocessor supervisory circuit used in embedded systems to ensure reliable operation. Its primary applications include monitoring system voltages to prevent under-voltage lockouts, providing reset signals during power-up, power-down, and brownout conditions, and offering watchdog timer functions to reset the microprocessor in case of a software hang-up. It is commonly used in consumer electronics, industrial control systems, and communication equipment, where ensuring system reliability and stability is critical. The device helps in safeguarding against data corruption and system failures by maintaining proper voltage levels and system reset functionalities.

Package

The MAX708ESA-TG is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is suitable for surface-mount applications.

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