ADM825SYRJZ-R7

Product Overview

Category

ADM825SYRJZ-R7 belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage supervisor and reset generator in various electronic devices.

Characteristics

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

Package

ADM825SYRJZ-R7 is available in a small outline package (SOT-23) which ensures easy integration into circuit boards.

Essence

The essence of ADM825SYRJZ-R7 lies in its ability to monitor the supply voltage and generate 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 3000 units per reel/tube.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, and 4.63V
• Reset Timeout Period Options: 140ms, 560ms, and 1120ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 8µA (typical)

Detailed Pin Configuration

ADM825SYRJZ-R7 has three pins:

1. VCC: Connect this pin to the positive supply voltage.
2. GND: Connect this pin to the ground reference.
3. RESET: This pin outputs a low signal when the monitored voltage falls below the specified threshold.

Functional Features

1. Voltage Monitoring: ADM825SYRJZ-R7 continuously monitors the supply voltage.
2. Reset Generation: When the supply voltage drops below the set threshold, the RESET pin goes low, indicating a reset condition.
3. Reset Timeout: The device includes an internal timer that keeps the RESET pin low for a specific period after the voltage rises above the threshold.

Advantages and Disadvantages

Advantages

• Provides reliable voltage monitoring and reset generation.
• Low power consumption helps in energy-efficient designs.
• Wide operating voltage range allows compatibility with various systems.
• Small package size enables space-saving integration.
• High accuracy ensures precise voltage monitoring.

Disadvantages

• Limited options for reset threshold voltage and timeout period.
• May not be suitable for applications requiring customized reset parameters.

Working Principles

ADM825SYRJZ-R7 operates by comparing the supply voltage with the set threshold voltage. When the supply voltage drops below the threshold, the internal circuitry triggers the RESET pin to go low, indicating a reset condition. The reset signal remains active for a specific timeout period even if the voltage rises above the threshold during this time.

Detailed Application Field Plans

ADM825SYRJZ-R7 finds applications in various electronic devices where voltage monitoring and reset generation are critical. Some potential application fields include:

1. Microcontrollers: Ensures proper system initialization and prevents erratic behavior during power-up or brownout conditions.
2. Industrial Control Systems: Provides reliable reset functionality for critical control units, ensuring system stability.
3. Automotive Electronics: Monitors battery voltage and generates reset signals to prevent malfunctioning of automotive control modules.
4. Power Supply Units: Protects sensitive components by initiating a reset when the supply voltage falls outside the acceptable range.

Detailed and Complete Alternative Models

1. ADM823SYRJZ-R7: Similar to ADM825SYRJZ-R7 but with different reset threshold voltage options.
2. ADM826SYRJZ-R7: Offers additional features like watchdog timer functionality along with voltage monitoring and reset generation.
3. ADM1070ARUZ-R7: Provides advanced voltage monitoring and reset generation capabilities with adjustable threshold levels.

(Note: The above alternative models are suggestions and may not cover all available options in the market.)

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