ADM809LAKS-REEL7

Product Overview

Category

ADM809LAKS-REEL7 belongs to the category of voltage monitoring and reset ICs.

Use

This product is primarily used for monitoring the voltage level in electronic circuits and initiating 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

ADM809LAKS-REEL7 is available in a small outline transistor (SOT) package, specifically SOT-23-3.

Essence

The essence of ADM809LAKS-REEL7 lies in its ability to monitor voltage levels and provide a reliable reset signal, ensuring 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, and 4.63V
• Reset timeout period: 140ms (min)
• Quiescent current: 10µA (typical)
• Power-on reset delay: 100ms (typical)

Detailed Pin Configuration

ADM809LAKS-REEL7 has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground or negative supply voltage.
3. RESET: This pin outputs a reset signal when the monitored voltage falls below the specified threshold.

Functional Features

• Voltage monitoring: ADM809LAKS-REEL7 continuously monitors the supply voltage.
• Reset signal generation: When the voltage falls below the set threshold, the RESET pin outputs a reset signal.
• Precision reset threshold: The product offers accurate reset thresholds with a tolerance of ±1.5%.
• Power-on reset delay: It provides a fixed delay of 100ms to ensure stable power-up.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited reset threshold options may not cater to all voltage requirements.
• Fixed power-on reset delay may not be suitable for certain applications requiring shorter or longer delays.

Working Principles

ADM809LAKS-REEL7 operates by comparing the supply voltage with the preset threshold. When the voltage drops below the threshold, the internal circuitry triggers the RESET pin, generating a reset signal. This signal can be used to reset microcontrollers, digital logic circuits, or other components in the system.

Detailed Application Field Plans

ADM809LAKS-REEL7 finds applications in various electronic systems where voltage monitoring and reliable reset functionality are crucial. Some potential application fields include:

1. Microcontroller-based systems: Ensures proper initialization and recovery after power disruptions.
2. Industrial automation: Provides fault detection and system recovery capabilities.
3. Battery-powered devices: Prevents damage due to low battery voltage and initiates safe shutdown procedures.
4. Communication equipment: Guarantees stable operation by resetting the system during voltage fluctuations.

Detailed and Complete Alternative Models

1. MAX809: Similar voltage monitoring and reset IC with adjustable reset thresholds.
2. MCP101: Offers additional features like manual reset input and watchdog timer functionality.
3. TPS3808: Provides adjustable reset thresholds and power-on reset delay options.

These alternative models offer similar functionalities to ADM809LAKS-REEL7, catering to different application requirements.

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