ADM694SQ

Product Overview

Category: Integrated Circuits (ICs)

Use: The ADM694SQ is a voltage monitoring circuit designed to supervise power supply voltages in electronic systems. It provides a reset signal when the monitored voltage falls below a predetermined threshold, ensuring proper system operation.

Characteristics: - Monitors power supply voltages - Provides reset signal when voltage falls below threshold - Low power consumption - Wide operating voltage range - Small package size

Package: The ADM694SQ is available in a small outline integrated circuit (SOIC) package.

Essence: The essence of the ADM694SQ is its ability to monitor power supply voltages and provide a reset signal to ensure reliable system operation.

Packaging/Quantity: The ADM694SQ is typically sold in reels or tubes containing a specified quantity of units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.8V to VCC - 0.6V
• Reset Timeout Period: Adjustable from 140ms to 1120ms
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADM694SQ has a total of 8 pins:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Reset output
5. VTH: Threshold voltage adjustment
6. CT: Timeout period adjustment
7. NC: No connection
8. NC: No connection

Functional Features

• Monitors power supply voltage continuously
• Generates a reset signal when voltage falls below the set threshold
• Adjustable threshold voltage and timeout period for flexibility
• Manual reset input for immediate system reset
• Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages: - Reliable voltage monitoring for system stability - Adjustable threshold and timeout for customization - Small package size for space-constrained applications - Low power consumption for energy efficiency

Disadvantages: - Limited to monitoring power supply voltages only - Requires external components for adjustment

Working Principles

The ADM694SQ operates by continuously monitoring the power supply voltage. When the voltage falls below the set threshold, it generates a reset signal that can be used to reset the system. The threshold voltage and timeout period can be adjusted using external components to suit specific requirements.

Application Field Plans

The ADM694SQ is commonly used in various electronic systems where reliable power supply voltage monitoring is critical. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Industrial control systems
3. Communication equipment
4. Automotive electronics
5. Medical devices

Alternative Models

Here are some alternative models that offer similar functionality to the ADM694SQ:

1. MAX809: Voltage monitoring circuit with adjustable threshold and timeout.
2. LTC2937: Precision voltage monitor with programmable threshold and timeout.
3. TPS3808: Supervisor circuit with adjustable threshold and timeout.

These alternative models provide options for users seeking voltage monitoring solutions with different specifications and features.

Word count: 400 words