MCP4252T-503E/UN

Product Overview

Category

The MCP4252T-503E/UN belongs to the category of digital potentiometers.

Use

It is commonly used in electronic circuits for controlling resistance values digitally, replacing traditional mechanical potentiometers.

Characteristics

• Digital control of resistance
• Compact package size
• High resolution and accuracy
• Low power consumption
• Wide operating voltage range

Package

The MCP4252T-503E/UN is available in a small outline package (SOP) with 14 pins.

Essence

The essence of the MCP4252T-503E/UN lies in its ability to provide precise digital control over resistance values, offering flexibility and convenience in various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Resistance Range: 0Ω to 50kΩ
• Resolution: 8 bits
• Number of Channels: Dual-channel
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)
• Non-volatile Memory: Yes

Detailed Pin Configuration

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: Terminal A of Channel 1
8. W Terminal: Wiper terminal of Channel 1
9. B Terminal: Terminal B of Channel 1
10. A Terminal: Terminal A of Channel 2
11. W Terminal: Wiper terminal of Channel 2
12. B Terminal: Terminal B of Channel 2
13. VSS: Negative power supply voltage
14. NC: No connection

Functional Features

• Digital control of resistance values
• Non-volatile memory for storing settings
• SPI interface for easy integration with microcontrollers
• Dual-channel configuration for independent control of two resistances
• High resolution and accuracy for precise adjustments

Advantages and Disadvantages

Advantages

• Eliminates the need for mechanical potentiometers
• Allows for remote or automated control of resistance values
• Offers high precision and accuracy in resistance adjustments
• Saves space and reduces component count in electronic circuits
• Non-volatile memory ensures settings are retained even after power loss

Disadvantages

• Limited resolution compared to some other digital potentiometers
• Requires a microcontroller or external control circuitry for operation
• May be sensitive to electrostatic discharge (ESD) if not handled properly

Working Principles

The MCP4252T-503E/UN operates by digitally controlling the resistance between its A, W, and B terminals. The resistance value is adjusted by sending commands through the SPI interface, which controls the position of the wiper terminal. The non-volatile memory ensures that the resistance settings are retained even when power is removed.

Detailed Application Field Plans

The MCP4252T-503E/UN finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment.
2. Industrial Automation: Enables precise calibration and control of industrial machinery.
3. Automotive Electronics: Provides digital control over parameters such as brightness and contrast in displays.
4. Test and Measurement Instruments: Allows for accurate calibration and adjustment of measurement equipment.
5. Consumer Electronics: Used in devices like televisions, gaming consoles, and home appliances for control and adjustment purposes.

Detailed and Complete Alternative Models

1. MCP4131: Single-channel digital potentiometer with 8-bit resolution.
2. MCP4261: Dual-channel digital potentiometer with 10-bit resolution.
3. MCP4017: Single-channel digital potentiometer with non-volatile memory.
4. MCP4531: Dual-channel digital potentiometer with 8-bit resolution and I2C interface.

These alternative models offer similar functionality to the MCP4252T-503E/UN but may have different specifications and package options.

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