ADM809LAKSZ-REEL7

Product Overview

Category

ADM809LAKSZ-REEL7 belongs to the category of voltage monitoring and reset ICs.

Use

This product is primarily used for monitoring the voltage level in electronic systems and generating a reset signal when the voltage falls below a certain threshold.

Characteristics

• Voltage monitoring range: 1.2V to 5.0V
• Reset threshold accuracy: ±1.5%
• Low power consumption: typically 10µA
• Small package size: SOT-23-3
• Wide operating temperature range: -40°C to +85°C

Package

ADM809LAKSZ-REEL7 is available in a small SOT-23-3 package, which is suitable for space-constrained applications.

Essence

The essence of ADM809LAKSZ-REEL7 lies in its ability to monitor the voltage level and provide a reliable reset signal to ensure proper functioning of electronic systems.

Packaging/Quantity

This product is typically packaged in reels containing 3000 units.

Specifications

• Supply voltage range: 1.2V to 5.5V
• Reset threshold options: 2.93V, 3.08V, 3.15V, 4.38V, 4.63V, 4.75V
• Reset timeout period: 140ms (min)
• Quiescent current: 10µA (typical)
• Power-on reset delay: 100ms (typical)

Detailed Pin Configuration

ADM809LAKSZ-REEL7 has three pins:

1. VCC: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground reference.
3. RESET: This pin outputs a reset signal when the voltage falls below the threshold.

Functional Features

• Voltage monitoring: ADM809LAKSZ-REEL7 continuously monitors the supply voltage.
• Reset generation: When the voltage drops below the preset threshold, the RESET pin goes low, generating a reset signal.
• Power-on reset delay: The device ensures a stable reset signal during power-up by delaying the reset output for a specific period.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• Accurate reset threshold ensures reliable system reset.
• Low power consumption minimizes energy usage.
• Small package size enables use in space-constrained applications.

Disadvantages

• Limited reset threshold options may not suit all voltage requirements.
• Fixed reset timeout period may not be adjustable for specific applications.

Working Principles

ADM809LAKSZ-REEL7 operates by comparing the supply voltage with the preset threshold. When the voltage falls below the threshold, the internal circuitry generates a reset signal. This signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

ADM809LAKSZ-REEL7 finds applications in various electronic systems where voltage monitoring and reliable reset functionality are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontroller-based systems.
2. Embedded Systems: Providing a reset signal to ensure correct functioning of embedded systems.
3. Industrial Control Systems: Monitoring voltage levels in industrial control systems and generating resets when necessary.
4. Automotive Electronics: Ensuring reliable operation of automotive electronics by monitoring voltage levels and generating resets if needed.

Detailed and Complete Alternative Models

Some alternative models to ADM809LAKSZ-REEL7 that offer similar functionality include:

1. MAX809: Voltage monitoring and reset IC with adjustable reset threshold.
2. MCP131: Low-power voltage monitor with a wide range of reset threshold options.
3. TPS3808: Precision voltage supervisor with adjustable reset timeout period.

These alternative models provide flexibility in terms of reset threshold, timeout period, and other features, catering to different application requirements.

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