SP706REU-L

Product Overview

Category: Integrated Circuit (IC)

Use: The SP706REU-L is a versatile IC primarily used for voltage monitoring and reset functions in electronic devices. It ensures proper operation by monitoring the power supply voltage and generating a reset signal when the voltage falls below a specified threshold.

Characteristics: - Voltage monitoring and reset functionality - Low power consumption - Wide operating voltage range - Small package size - High accuracy

Package: The SP706REU-L is available in a compact SOT-23-5 package, which is suitable for space-constrained applications.

Essence: The essence of the SP706REU-L lies in its ability to provide reliable voltage monitoring and reset capabilities, ensuring the stable operation of electronic devices.

Packaging/Quantity: The SP706REU-L is typically sold in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Operating Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SP706REU-L features a standard SOT-23-5 package with the following pin configuration:

_______ | | VDD|1 5|RESET GND|2 4|N/C VIN|3_____|GND

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. VIN: Voltage input pin.
4. N/C: Not connected pin.
5. RESET: Reset output pin.

Functional Features

• Voltage Monitoring: The SP706REU-L continuously monitors the input voltage and compares it to the preset threshold voltage.
• Reset Generation: When the input voltage falls below the threshold, the IC generates a reset signal to initiate a system reset.
• Adjustable Threshold: The IC offers multiple threshold voltage options to suit different application requirements.
• Reset Timeout: The reset signal remains active for a specified timeout period after the voltage rises above the threshold, ensuring proper system initialization.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various power supply configurations. - Low quiescent current minimizes power consumption. - Small package size enables integration into space-constrained designs. - High accuracy ensures reliable voltage monitoring and reset functionality.

Disadvantages: - Limited number of threshold voltage options may not cover all specific voltage requirements. - Lack of additional features beyond voltage monitoring and reset functions.

Working Principles

The SP706REU-L operates based on a voltage comparator circuit. It compares the input voltage (VIN) with the selected threshold voltage. When the input voltage drops below the threshold, the internal circuitry triggers the reset output (RESET) to go low, indicating a system reset condition. Once the input voltage rises above the threshold and remains stable for the reset timeout period, the reset output returns to its high state, allowing normal system operation.

Detailed Application Field Plans

The SP706REU-L finds applications in various electronic devices where voltage monitoring and reset functionality are critical. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontroller-based systems.
2. Embedded Systems: Providing voltage supervision and reset capabilities in embedded systems.
3. Power Management: Monitoring power supply voltages in power management circuits to prevent improper operation.
4. Industrial Control Systems: Enabling reliable reset functionality in industrial control systems for enhanced system integrity.

Detailed and Complete Alternative Models

1. SP708REU-L: Similar to the SP706REU-L, but with additional features such as adjustable reset timeout period.
2. MAX809REU-L: Offers similar voltage monitoring and reset functionality with a different package option (SOT-23-3).
3. ADM708REU-L: Provides voltage monitoring and reset capabilities with extended operating temperature range (-40°C to +125°C).

These alternative models offer similar functionality to the SP706REU-L and can be considered based on specific application requirements.

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