MCP4351T-503E/ST

Product Overview

Category

The MCP4351T-503E/ST belongs to the category of digital potentiometers.

Use

It is commonly used as a variable resistor in electronic circuits, providing a digitally controlled resistance value.

Characteristics

• Digital control: The MCP4351T-503E/ST can be controlled digitally, allowing for precise adjustment of resistance.
• Non-volatile memory: It has non-volatile memory that retains the resistance setting even when power is removed.
• Low power consumption: This product is designed to consume low power during operation.
• Wide operating voltage range: It can operate within a wide voltage range, making it suitable for various applications.

Package

The MCP4351T-503E/ST is available in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide a digitally adjustable resistance value, offering flexibility and precision in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Resolution: 8 bits
• Resistance Range: 0Ω to 10kΩ
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)
• Package Type: TSSOP-14

Detailed Pin Configuration

The MCP4351T-503E/ST has a total of 14 pins, which are configured as follows:

1. VDD - Power supply voltage
2. CS - Chip select input
3. SCK - Serial clock input
4. SDI - Serial data input
5. SDO - Serial data output
6. GND - Ground
7. A - Terminal A of the potentiometer
8. B - Terminal B of the potentiometer
9. W - Wiper terminal of the potentiometer
10. VSS - Negative supply voltage
11. NC - No connection
12. NC - No connection
13. NC - No connection
14. NC - No connection

Functional Features

• Digital control: The MCP4351T-503E/ST allows for precise digital control of resistance, enabling accurate adjustment in electronic circuits.
• Non-volatile memory: It has non-volatile memory that retains the resistance setting, ensuring consistency even after power cycles.
• SPI interface: The product utilizes the Serial Peripheral Interface (SPI) for communication with microcontrollers or other devices.
• Low power consumption: The MCP4351T-503E/ST is designed to consume low power during operation, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Precise resistance adjustment
• Non-volatile memory for retaining settings
• Wide operating voltage range
• Low power consumption

Disadvantages

• Limited resolution (8 bits)
• Requires an SPI interface for control

Working Principles

The MCP4351T-503E/ST operates by digitally controlling the resistance between terminals A and B using a series of switches. The wiper terminal W moves along the resistor ladder, changing the effective resistance value. This movement is controlled by the digital signals received through the SPI interface.

Detailed Application Field Plans

The MCP4351T-503E/ST finds applications in various fields, including:

1. Audio equipment: It can be used for volume control in audio amplifiers or mixers.
2. Industrial automation: The product can be employed for precise resistance adjustments in industrial control systems.
3. Test and measurement instruments: It is suitable for calibration and fine-tuning purposes in test equipment.
4. Consumer electronics: The MCP4351T-503E/ST can be utilized in devices such as TVs, gaming consoles, and home appliances for control purposes.

Detailed and Complete Alternative Models

1. MCP4131 - 8-bit digital potentiometer with a resistance range of 0Ω to 10kΩ.
2. MCP4161 - 16-bit digital potentiometer with a resistance range of 0Ω to 10kΩ.
3. MCP4251 - 8-bit dual-channel digital potentiometer with a resistance range of 0Ω to 10kΩ.
4. MCP4261 - 16-bit dual-channel digital potentiometer with a resistance range of 0Ω to 10kΩ.

These alternative models offer similar functionality but may have different specifications or package types.

In conclusion, the MCP4351T-503E/ST is a digital potentiometer that provides precise resistance adjustment through digital control. It offers advantages such as non-volatile memory, low power consumption, and a wide operating voltage range. However, it