ADM823SYRJZ-R7

Product Overview

Category

ADM823SYRJZ-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: ADM823SYRJZ-R7 provides accurate monitoring of the power supply voltage.
• Reset function: It generates a reset signal when the monitored voltage falls below a specified threshold.
• Low power consumption: This IC has low power consumption, making it suitable for battery-powered applications.
• Small package size: ADM823SYRJZ-R7 comes in a compact package, allowing for space-efficient designs.

Package

ADM823SYRJZ-R7 is available in a small outline package (SOT-23) with three pins.

Essence

The essence of ADM823SYRJZ-R7 lies in its ability to monitor voltage levels and generate reset signals, ensuring reliable operation of electronic systems.

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
• Threshold voltage options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V
• Operating temperature range: -40°C to +85°C
• Quiescent current: 8µA (typical)
• Reset timeout period: 140ms (typical)

Detailed Pin Configuration

ADM823SYRJZ-R7 has three pins:

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

Functional Features

1. Voltage Monitoring: ADM823SYRJZ-R7 continuously monitors the supply voltage.
2. Reset Generation: When the monitored voltage falls below the specified threshold, the IC generates a reset signal.
3. Adjustable Threshold: The threshold voltage can be selected from various options to suit different applications.
4. Power-On Reset: ADM823SYRJZ-R7 generates a reset signal upon power-up to ensure proper initialization of the system.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring for reliable system operation.
• Low power consumption, suitable for battery-powered devices.
• Compact package size allows for space-efficient designs.
• Adjustable threshold voltage for flexibility in different applications.

Disadvantages

• Limited threshold voltage options may not cover all voltage requirements.
• Lack of additional features such as hysteresis or adjustable timeout period.

Working Principles

ADM823SYRJZ-R7 operates by comparing the supply voltage with the selected threshold voltage. If the supply voltage drops below the threshold, the IC triggers the reset signal. This ensures that the system is properly reset and prevents erratic behavior due to insufficient power supply.

Detailed Application Field Plans

ADM823SYRJZ-R7 finds applications in various electronic systems where voltage monitoring and reset functions are critical. Some common application fields include:

1. Microcontrollers: Ensuring proper reset during power fluctuations or brownout conditions.
2. Industrial Control Systems: Monitoring power supply integrity to prevent malfunctioning of critical equipment.
3. Automotive Electronics: Resetting microcontrollers or sensors in case of voltage drops or transients.
4. Battery-Powered Devices: Detecting low battery voltage and triggering appropriate actions.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ADM823SYRJZ-R7 are:

1. MAX823: Manufactured by Maxim Integrated, this IC provides voltage monitoring and reset functions in various package options.
2. MCP809: Produced by Microchip Technology, it offers adjustable threshold voltage and additional features like manual reset input.
3. TPS3808: Texas Instruments' IC with programmable delay time and wide supply voltage range for enhanced flexibility.

These alternative models can be considered based on specific application requirements and desired features.

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