MAX690ACPA
Reliable circuit
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製造商零件號 # : MAX690ACPA
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包裝/封裝: DIP-8
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製造商: Maxim Integrated
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產品分類 : Supervisors
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MAX690ACPA 數據表
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詳細說明
The MAX690ACPA is a supervisor push-pull electronic component in a 8-PDIP package, with a totem pole 1 channel configuration. This component is designed to monitor system voltages and provide a reset signal to the microprocessor or other integrated circuits in case of power supply issues. It ensures the reliable operation of the system by keeping track of the power supply voltage and initiating a reset if it falls below a certain threshold. The MAX690ACPA features a wide operating voltage range of 4.5V to 18V, making it suitable for a variety of applications. It has an adjustable reset threshold voltage, which can be set using external components, allowing for flexibility in system design. The push-pull output configuration provides a strong drive capability, ensuring a reliable reset signal is sent to the connected devices.
主要特徵
應用
- Battery-Powered Computers/Controllers
- Critical µP Monitoring
- Intelligent Instruments
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Packaging ! | Tube | Part Status ! | Obsolete |
Programmable | Not Verified | Type | Battery Backup Circuit |
Number of Voltages Monitored ! | 1 | Voltage - Threshold | 4.65V |
Output | Push-Pull, Totem Pole | Reset | Active Low |
Reset Timeout | 140ms Minimum | Operating Temperature ! | 0°C ~ 70°C (TA) |
Mounting Type | Through Hole | Package / Case | 8-DIP (0.300", 7.62mm) |
Supplier Device Package | 8-PDIP | Base Product Number | MAX690 |
常見問題解答
What is MAX690ACPA?
The MAX690ACPA is a precision microprocessor supervisory circuit designed by Maxim Integrated. It is used to monitor the power supply, voltage levels, and system reset functions in microcontroller and microprocessor-based systems to ensure reliable operation.
How Does MAX690ACPA Work?
The MAX690ACPA works by continuously monitoring the power supply voltage and asserting a reset signal to the microcontroller or microprocessor when the voltage falls below a specified threshold. This helps prevent the system from operating erratically or in an undefined state due to insufficient power supply voltage.
How Many Pins does MAX690ACPA have and What are the Functions of the Pinout Configuration?
The MAX690ACPA is housed in an 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Power supply input pin.
- GND: Ground pin.
- RESET: Active-low reset output pin.
- MR: Manual reset input pin.
- RESET: Output pin for the reset signal.
- RESETIN: Input pin for an external reset signal.
- RESETOUT: Output pin to daisy-chain reset signals.
What are the Pros and Cons of MAX690ACPA?
Pros:
- Precision Monitoring: Ensures reliable system operation by monitoring power supply voltage.
- Manual Reset: Allows for a manual reset input for system testing and initialization.
- Adjustable Reset Threshold: Offers flexibility in setting the voltage threshold for the reset signal.
- Low Power Consumption: Operates with low quiescent current, suitable for power-sensitive applications.
- Wide Voltage Range: Can monitor a wide range of supply voltages, accommodating various system requirements.
Cons:
- External Components: May require additional components for voltage monitoring and timing functions in certain applications.
- Package Size: The 8-pin DIP or SOIC package may be larger than some surface-mount options, requiring more board space.
Are There Any Equivalents/Alternatives to MAX690ACPA for Recommendation?
- The MAX809 from Maxim Integrated is a similar microprocessor supervisory circuit with a push-pull output.
- Alternatives to the MAX690ACPA include the LTC690 from Linear Technology and the TPS3808 from Texas Instruments.
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