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Name: MAX811SEUS
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX811SEUS
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated MAX811SEUS

Part No.:: MAX811SEUS

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: -

Datasheet:: MAX811SEUS.pdf

Description:: POWER SUPPLY SUPPORT CIRCUIT, FI

In Stock:: 3768

Quantity:: Add To Cart

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MAX811SEUS Typical application Circuitry

MAX811SEUS

A microprocessor (µP) supervisory circuit called the MAX811SEUS is made to keep an eye on power supply in digital and µP systems. It provides a precise, low-power method to monitor power supply levels and assert a reset signal to the µP whenever the supply voltage drops below a predetermined threshold, ensuring proper system reset and initialization. This device is especially useful in systems that require a reliable operation over a wide range of supply voltages and with minimal external components.

Application Scenarios

The MAX811SEUS is commonly used in microcontroller-based systems, portable battery-powered devices, embedded systems, and any digital system that requires power supply monitoring to ensure reliable operation, such as IoT devices, automotive electronics, and consumer electronics.

Parameter Features

- Precision Voltage Monitoring: The MAX811SEUS monitors the system power supply voltage and asserts a reset signal if it drops below a factory-trimmed threshold, ensuring reliable system startup and operation.

- Low Power Consumption: It is perfect for battery-operated gadgets because of its low power consumption design.

- Manual Reset Input: Features a manual reset input, allowing the system to be reset manually as needed.

- Reset Timeout: Provides a fixed reset timeout delay, ensuring the system has sufficient time to stabilize before resuming operation.

Application Scenario: Microcontroller-Based System

In a microcontroller-based system, the MAX811SEUS can be used to monitor the power supply and ensure the system reliably resets in the event of a power failure or brownout condition.

- Power Supply Connection: Connect the VCC pin of the MAX811SEUS directly to the system's power supply line to monitor the voltage level. This connection allows the device to sense any drop in the supply voltage below the threshold.

- Reset Output to µP: Connect the RESET output pin of the MAX811SEUS to the reset input pin of the microcontroller. This ensures that the microcontroller is held in the reset state whenever the power supply voltage is below the threshold or during the power-up sequence.

- Manual Reset Button: Connect a normally open push-button switch between the MR (Manual Reset) pin and ground. Pressing this button will pull the MR pin low, triggering a manual reset.

- Decoupling Capacitor: Place a small decoupling capacitor (e.g., 0.1µF) close to the VCC pin of the MAX811SEUS to filter out noise and provide a stable power supply.

Design Considerations

- Power Supply Noise: Ensure the power supply line connected to the VCC pin is free from high-frequency noise to prevent false triggering of the reset signal.

- Reset Signal Timing: Consider the reset timeout duration of the MAX811SEUS and ensure it is compatible with the microcontroller's reset timing requirements to allow for proper system initialization.

- Manual Reset Accessibility: Design the manual reset button to be easily accessible if the system requires user-initiated resets.

- Monitoring Threshold: Select a MAX811SEUS variant with a voltage threshold suitable for the system's power supply to ensure reliable operation under all expected conditions.

By integrating the MAX811SEUS with careful consideration of these design aspects, it can effectively enhance the reliability of microcontroller-based systems by ensuring proper initialization and operation under variable power supply conditions.

MAX811SEUS information

MAX811SEUS Specifications

Package/Case:
-
Packaging:
Bulk
Series:
*
ProductStatus:
Active
Applications:
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Current-Supply:
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Voltage-Supply:
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OperatingTemperature:
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MountingType:
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MAX811SEUS FAQ

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3. Are the MAX811SEUS price and inventory displayed accurate?

The price and inventory of MAX811SEUS fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of MAX811SEUS?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MAX811SEUS we delivered, we will accept the replacement or return of the MAX811SEUS only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MAX811SEUS.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations