ADM690AARMZ-REEL

Product Overview

Category

ADM690AARMZ-REEL belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Voltage monitoring: ADM690AARMZ-REEL is designed to monitor the power supply voltage and provide a reset signal when the voltage falls below a specified threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts operating correctly after power-up or a voltage drop.
• Low power consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
• Small package size: ADM690AARMZ-REEL comes in a small surface-mount package, allowing for space-efficient designs.
• Wide operating voltage range: It can operate within a wide range of input voltages, making it versatile for various applications.

Package and Quantity

ADM690AARMZ-REEL is available in a miniature 8-pin MSOP (Mini Small Outline Package). It is typically sold in reels containing a specific quantity of units, depending on the supplier.

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, and 4.63V
• Reset Timeout Period: 140ms (min)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 20µA (typ)

Pin Configuration

ADM690AARMZ-REEL features an 8-pin MSOP package with the following pin configuration:

┌───┬───┐ │ 1 │ 8 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ 4 │ 5 │ └───┴───┘

Pin Description: 1. VCC: Power supply input 2. GND: Ground 3. MR: Manual reset input (active-low) 4. RESET: Reset output 5. TO: Timeout output 6. CT: Capacitor connection for reset timeout period 7. TH: Threshold voltage selection pin 8. NC: No connection

Functional Features

• Voltage Monitoring: ADM690AARMZ-REEL continuously monitors the power supply voltage.
• Reset Signal Generation: When the voltage falls below the specified threshold, the device generates a reset signal to ensure proper operation of the connected circuitry.
• Timeout Output: The timeout output indicates when the reset signal is active for a specific duration, typically 140ms.
• Manual Reset: The manual reset input allows for an external reset signal to override the internal monitoring.

Advantages and Disadvantages

Advantages

• Reliable Voltage Monitoring: ADM690AARMZ-REEL ensures stable operation by monitoring the power supply voltage.
• Easy Integration: Its small package size and straightforward pin configuration make it easy to integrate into various electronic designs.
• Low Power Consumption: The device operates with low power consumption, making it suitable for battery-powered applications.

Disadvantages

• Limited Threshold Options: ADM690AARMZ-REEL offers a limited number of threshold voltage options, which may not cover all application requirements.
• Lack of Advanced Features: It lacks advanced features such as adjustable timeout periods or programmable thresholds, limiting its flexibility in certain applications.

Working Principles

ADM690AARMZ-REEL works based on a voltage comparator circuit that continuously compares the power supply voltage with the specified threshold voltage. When the voltage drops below the threshold, the device triggers a reset signal. The timeout output indicates when the reset signal is active for a specific duration, ensuring proper system initialization.

Application Field Plans

ADM690AARMZ-REEL finds applications in various electronic devices where voltage monitoring and reset functions are critical. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Power management circuits - Industrial control systems - Automotive electronics - Consumer electronics

Alternative Models

Several alternative models with similar functionality to ADM690AARMZ-REEL are available in the market. These include: - MAX809: Manufactured by Maxim Integrated, it offers adjustable threshold voltage options. - MCP101: Produced by Microchip Technology, it provides additional features like adjustable timeout periods. - TPS3808: Texas Instruments' offering with programmable threshold voltage and adjustable timeout period.

These alternative models provide flexibility and additional features that may better suit specific application requirements.

In conclusion, ADM690AARMZ-REEL is an integrated circuit used for voltage monitoring and reset functions. Its small package size, low