ADM825MYRJ-R7

Product Overview

Category

ADM825MYRJ-R7 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for voltage monitoring and reset functions in various electronic devices.

Characteristics

• Voltage monitoring range: 1.8V to 5.0V
• Adjustable reset threshold voltage
• Low power consumption
• Small package size
• RoHS compliant

Package

ADM825MYRJ-R7 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ADM825MYRJ-R7 lies in its ability to monitor voltage levels and provide a reset signal when the voltage falls below a certain threshold.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage range: 1.8V to 5.5V
• Reset threshold voltage options: 2.63V, 3.08V, 4.38V, or adjustable
• Reset timeout period: 140ms (typical)
• Operating temperature range: -40°C to +85°C
• Quiescent current: 10µA (typical)

Detailed Pin Configuration

ADM825MYRJ-R7 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Reset output

Functional Features

• Voltage monitoring: ADM825MYRJ-R7 continuously monitors the supply voltage.
• Reset signal generation: When the voltage falls below the set threshold, the device generates a reset signal.
• Manual reset: The MR pin allows for manual reset control.
• Reset timeout: If the voltage remains below the threshold for a specified period, the reset signal is released.

Advantages and Disadvantages

Advantages

• Wide voltage monitoring range
• Adjustable reset threshold voltage
• Low power consumption
• Compact package size
• RoHS compliant

Disadvantages

• Limited reset timeout period
• Fixed pin configuration

Working Principles

ADM825MYRJ-R7 operates by comparing the supply voltage with the set threshold voltage. When the voltage drops below the threshold, the device triggers a reset signal. The reset signal remains active until the voltage rises above the threshold or a manual reset is initiated.

Detailed Application Field Plans

ADM825MYRJ-R7 finds applications in various electronic devices that require voltage monitoring and reset functionality. Some common application fields include:

1. Microcontrollers: Ensuring proper system initialization and preventing data corruption during power fluctuations.
2. Power supplies: Protecting sensitive components from undervoltage conditions.
3. Industrial automation: Monitoring voltage levels in control systems to prevent malfunctions.
4. Automotive electronics: Providing reliable reset functions for critical systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ADM825MYRJ-R7 are:

1. MAX823: Manufactured by Maxim Integrated, this IC provides voltage monitoring and reset functions.
2. MCP809: Produced by Microchip Technology, this IC offers adjustable reset threshold voltage and low power consumption.
3. TPS3808: Texas Instruments' IC with programmable reset threshold and wide operating temperature range.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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