ADM2914-1ARQZ

Product Overview

Category

ADM2914-1ARQZ 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 monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry is properly reset when the power supply voltage drops below the specified level.
• Low power consumption: The IC is designed to consume minimal power, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide range of input voltages, typically from 1.6V to 5.5V.
• Small package size: ADM2914-1ARQZ comes in a compact package, allowing for space-efficient integration into electronic devices.
• RoHS compliant: The product is manufactured according to the Restriction of Hazardous Substances directive, ensuring environmental friendliness.

Package and Quantity

ADM2914-1ARQZ is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels containing a specific quantity, such as 2500 units per reel.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Operating temperature range: -40°C to +85°C
• Reset threshold voltage options: 2.63V, 3.08V, 3.45V, 4.38V
• Reset timeout period options: 140ms, 450ms, 900ms, 1800ms
• Quiescent current: 8µA (typical)
• Power-on reset delay: 20ms (typical)

Pin Configuration

ADM2914-1ARQZ has the following pin configuration:

```

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| | --|VDD | --|RESET | --|GND | --|MR | --|OUT | --|SET | --|VTRIP | |_______| ```

Pin descriptions: - VDD: Power supply voltage input - RESET: Reset output signal - GND: Ground reference - MR: Manual reset input - OUT: Open-drain output for monitoring status - SET: Set threshold voltage input - VTRIP: Voltage trip point selection input

Functional Features

1. Voltage Monitoring: ADM2914-1ARQZ continuously monitors the power supply voltage and compares it with the set threshold voltage.
2. Reset Signal Generation: When the monitored voltage falls below the threshold, the IC generates a reset signal to ensure proper functioning of the connected digital circuitry.
3. Manual Reset: The MR pin allows for manual reset capability, enabling external control over the reset function.
4. Status Monitoring: The OUT pin provides an open-drain output that indicates the status of the monitored voltage.
5. Adjustable Threshold: The SET pin allows for the selection of different threshold voltages to suit specific application requirements.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality
• Low power consumption
• Wide operating voltage range
• Compact package size for space-constrained designs
• RoHS compliant, environmentally friendly manufacturing

Disadvantages

• Limited options for reset timeout periods
• Requires external components for complete functionality

Working Principles

ADM2914-1ARQZ operates by comparing the power supply voltage with the set threshold voltage. If the voltage drops below the threshold, the IC generates a reset signal. The manual reset input allows for external control over the reset function. The open-drain output pin provides a status indication of the monitored voltage.

Application Field Plans

ADM2914-1ARQZ finds applications in various electronic devices where voltage monitoring and reset functionality are crucial. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Power management circuits - Battery-powered devices - Industrial automation systems - Automotive electronics

Alternative Models

For users seeking alternative options, the following models provide similar functionality to ADM2914-1ARQZ: - ADM2914-2ARQZ: Dual-channel voltage monitor and reset IC - ADM2914-3ARQZ: Triple-channel voltage monitor and reset IC - ADM2914-4ARQZ: Quad-channel voltage monitor and reset IC

These alternative models offer multiple channels for monitoring and resetting different power supply voltages simultaneously.

In conclusion, ADM2914-1ARQZ is an integrated circuit designed for voltage monitoring and reset functions. Its low power consumption, wide operating voltage range, and compact package make it suitable for various electronic applications