ADM2914-1ARQZ-RL7

Product Overview

Category

ADM2914-1ARQZ-RL7 belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Voltage monitoring: ADM2914-1ARQZ-RL7 provides accurate monitoring of supply voltages.
• Reset function: It generates a reset signal when the monitored voltage falls below a specified threshold.
• Low power consumption: The IC operates with low power consumption, making it suitable for battery-powered devices.
• Wide operating voltage range: It can operate within a wide range of supply voltages.
• Small package size: ADM2914-1ARQZ-RL7 is available in a compact package, saving space on circuit boards.

Package

The ADM2914-1ARQZ-RL7 is packaged in a small outline integrated circuit (SOIC) package.

Essence

The essence of ADM2914-1ARQZ-RL7 lies in its ability to monitor voltage levels and generate reset signals, ensuring proper functioning of electronic devices.

Packaging/Quantity

This product is typically sold in reels containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage range: 2.7V to 5.5V
• Threshold voltage accuracy: ±1.5%
• Operating temperature range: -40°C to +85°C
• Quiescent current: 25µA (typical)
• Reset timeout period: 140ms (typical)

Detailed Pin Configuration

ADM2914-1ARQZ-RL7 has the following pin configuration:

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

Functional Features

1. Voltage Monitoring: ADM2914-1ARQZ-RL7 continuously monitors the supply voltage and compares it with the programmed threshold.
2. Reset Generation: When the monitored voltage falls below the threshold, the IC generates a reset signal to initiate system recovery.
3. Manual Reset: The MR pin allows for manual reset control, overriding the automatic reset function.
4. Adjustable Threshold: The voltage threshold can be adjusted externally to suit specific application requirements.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable operation of electronic devices.
• Reset function helps in recovering from power supply disturbances or faults.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range makes it compatible with various power sources.
• Small package size saves space on circuit boards.

Disadvantages

• Limited to voltage monitoring and reset functions, may not fulfill complex system requirements.
• Requires external components for proper operation.
• Sensitivity to noise or voltage fluctuations may affect performance.

Working Principles

ADM2914-1ARQZ-RL7 operates by comparing the supply voltage with the programmed threshold voltage. When the supply voltage drops below the threshold, the IC triggers a reset signal. This signal remains active until the supply voltage rises above the threshold or a manual reset is initiated.

Detailed Application Field Plans

ADM2914-1ARQZ-RL7 finds applications in various fields, including:

1. Power management systems
2. Industrial automation
3. Automotive electronics
4. Consumer electronics
5. Medical devices

In power management systems, it ensures safe operation by monitoring voltage levels and initiating resets during power supply failures. In industrial automation, it provides reliable reset functions for critical control systems. Automotive electronics benefit from its ability to monitor battery voltage and initiate system recovery. In consumer electronics, it helps prevent data loss during power interruptions. Medical devices rely on ADM2914-1ARQZ-RL7 for voltage monitoring and reset functions to ensure patient safety.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ADM2914-1ARQZ-RL7 include:

1. MAX823: Voltage monitor and reset IC from Maxim Integrated.
2. LTC2933: Precision voltage monitor and reset circuit from Linear Technology.
3. TPS3808: Supply voltage supervisor with programmable delay time from Texas Instruments.
4. MCP1316: Voltage monitor and reset generator from Microchip Technology.

These alternative models provide comparable features and can be considered as substitutes based on specific application requirements.

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