MCP4352T-103E/ST

Product Overview

Category

The MCP4352T-103E/ST belongs to the category of electronic components, specifically a digital potentiometer.

Use

This product is used in various electronic circuits and systems where precise resistance adjustment is required. It can be utilized as a variable resistor to control voltage levels, currents, or signal amplitudes.

Characteristics

• Digital Control: The MCP4352T-103E/ST is controlled digitally, allowing for easy and accurate adjustments.
• Non-Volatile Memory: This potentiometer retains its settings even when power is disconnected, ensuring consistent performance.
• Wide Resistance Range: It offers a wide range of resistance values, making it suitable for diverse applications.
• High Resolution: The MCP4352T-103E/ST provides high resolution, enabling fine-grained adjustments.

Package

This product is packaged in a small surface-mount technology (SMT) package, which facilitates easy integration onto circuit boards.

Essence

The essence of the MCP4352T-103E/ST lies in its ability to provide precise resistance adjustment in electronic systems, enhancing their functionality and performance.

Packaging/Quantity

The MCP4352T-103E/ST is typically available in reels containing a specific quantity of units, such as 1000 pieces per reel.

Specifications

• Resistance Range: 0Ω to 10kΩ
• Number of Channels: Dual-channel
• Interface: Serial Peripheral Interface (SPI)
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP4352T-103E/ST has a total of 14 pins, which are assigned specific functions:

1. VDD: Power supply voltage input
2. CS: Chip select input for SPI communication
3. SCK: Serial clock input for SPI communication
4. SI: Serial data input for SPI communication
5. SO: Serial data output for SPI communication
6. WP: Write protect input for protecting the non-volatile memory
7. VSS: Ground reference voltage
8. A1: Terminal A connection for channel 1
9. B1: Terminal B connection for channel 1
10. W1: Wiper terminal connection for channel 1
11. H1: Terminal H connection for channel 1
12. A2: Terminal A connection for channel 2
13. B2: Terminal B connection for channel 2
14. W2: Wiper terminal connection for channel 2

Functional Features

• Digital Control: The MCP4352T-103E/ST can be controlled digitally using an SPI interface, allowing for precise and convenient resistance adjustments.
• Non-Volatile Memory: It features non-volatile memory, ensuring that the potentiometer retains its settings even after power loss or system shutdown.
• Dual-Channel Operation: This product offers two independent channels, enabling simultaneous adjustment of two different resistances.
• High Resolution: With a high-resolution digital-to-analog converter (DAC), the MCP4352T-103E/ST provides fine-grained resistance adjustments.

Advantages and Disadvantages

Advantages

• Precise Resistance Adjustment: The MCP4352T-103E/ST allows for accurate and repeatable resistance settings, enhancing circuit performance.
• Compact Size: Its small package size makes it suitable for space-constrained applications.
• Non-Volatile Memory: The non-volatile memory feature ensures consistent performance even after power interruptions.

Disadvantages

• Limited Resistance Range: The maximum resistance value of 10kΩ may not be sufficient for certain applications requiring higher resistance values.
• Digital Interface Dependency: The MCP4352T-103E/ST relies on an SPI interface for control, which may limit compatibility with systems lacking this interface.

Working Principles

The MCP4352T-103E/ST utilizes a combination of digital-to-analog conversion and resistive ladder networks to achieve precise resistance adjustments. The digital control signals received through the SPI interface are converted into analog voltages, which are then used to adjust the resistance levels in the potentiometer circuitry.

Detailed Application Field Plans

The MCP4352T-103E/ST finds applications in various fields, including:

1. Audio Systems: It can be used to control volume levels or tone adjustments in audio amplifiers or mixing consoles.
2. Industrial Automation: This product enables precise resistance control in industrial automation systems, such as motor speed control or sensor calibration.
3. Test and Measurement Equipment: The MCP4352T-103E/ST is suitable for use in test and measurement equipment where accurate resistance settings are required, such as signal generators or programmable loads.
4. Communication Systems: It can be utilized in communication systems