ADM825TYRJZ-R7

Product Overview

Category

ADM825TYRJZ-R7 belongs to the category of voltage supervisors.

Use

It is used to monitor and control the voltage levels in electronic circuits.

Characteristics

• Voltage monitoring and reset generation
• Low power consumption
• Wide operating voltage range
• Small package size
• High accuracy

Package

ADM825TYRJZ-R7 is available in a small SOT-23 package.

Essence

The essence of ADM825TYRJZ-R7 is to ensure stable and reliable operation of electronic devices by monitoring the voltage levels and generating reset signals when necessary.

Packaging/Quantity

ADM825TYRJZ-R7 is typically packaged in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Operating Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms
• Quiescent Current: 8µA (typical)
• Power-On Reset Delay: 20ms (typical)

Detailed Pin Configuration

ADM825TYRJZ-R7 has three pins:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin for generating reset signals.

Functional Features

• Voltage Monitoring: ADM825TYRJZ-R7 continuously monitors the voltage level at the VCC pin.
• Reset Generation: When the voltage drops below the specified threshold, the device generates a reset signal on the RESET pin.
• Reset Timeout: The reset signal remains active for a specific timeout period, ensuring proper system reset.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset generation.
• Low power consumption, suitable for battery-powered devices.
• Wide operating voltage range allows compatibility with various systems.
• Small package size enables space-saving designs.
• High accuracy ensures precise voltage monitoring.

Disadvantages

• Limited reset threshold and timeout options may not meet the requirements of all applications.
• Lack of additional features such as adjustable threshold or programmable timeout.

Working Principles

ADM825TYRJZ-R7 operates by comparing the voltage at the VCC pin with the specified threshold. If the voltage drops below the threshold, the device generates a reset signal to initiate a system reset. The reset signal remains active for the defined timeout period, allowing the system to stabilize before resuming normal operation.

Detailed Application Field Plans

ADM825TYRJZ-R7 finds applications in various electronic systems that require reliable voltage monitoring and reset generation. Some potential application fields include:

1. Microcontrollers: Ensuring proper system reset during power fluctuations.
2. Industrial Control Systems: Monitoring voltage levels in critical control circuits.
3. Automotive Electronics: Providing voltage supervision for safety-critical components.
4. Battery-Powered Devices: Preventing damage due to low battery voltage.

Detailed and Complete Alternative Models

Some alternative models to ADM825TYRJZ-R7 that offer similar functionality are:

1. MAX823: Voltage Supervisors with Adjustable Threshold and Timeout Options.
2. TPS3808: Precision Voltage Supervisors with Programmable Delay Time.
3. LTC2910: Dual Voltage Supervisors with Adjustable Thresholds and Independent Reset Outputs.

These alternative models provide flexibility in terms of threshold voltage, timeout period, and additional features, catering to a wider range of application requirements.

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