MCP4241-503E/ML

Product Overview

Category

The MCP4241-503E/ML belongs to the category of digital potentiometers.

Use

It is commonly used in electronic circuits for controlling resistance values digitally.

Characteristics

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

Package

The MCP4241-503E/ML is available in a small outline package (MLP) with 14 pins.

Essence

This digital potentiometer provides a convenient and precise method for adjusting resistance values in electronic circuits.

Packaging/Quantity

The MCP4241-503E/ML is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 8 bits
• Number of Channels: 2
• Resistance Range: 0 to 50 kΩ
• 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. VSS: Ground reference
3. CS: Chip select input
4. SCK: Serial clock input
5. SDI: Serial data input
6. SDO: Serial data output
7. A1: Address bit 1
8. A0: Address bit 0
9. H: Terminal H of channel 1
10. W: Wiper terminal of channel 1
11. L: Terminal L of channel 1
12. H: Terminal H of channel 0
13. W: Wiper terminal of channel 0
14. L: Terminal L of channel 0

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 adjustment of two resistances

Advantages and Disadvantages

Advantages

• Precise and accurate resistance control
• Compact size for space-constrained applications
• Low power consumption for energy efficiency
• Non-volatile memory ensures settings are retained even when power is disconnected

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Restricted resistance range (0 to 50 kΩ)

Working Principles

The MCP4241-503E/ML utilizes a combination of digital logic and analog circuitry to control the resistance. It converts the digital input signals received through the SPI interface into corresponding resistance values. The wiper terminal can be adjusted digitally, allowing precise control over the resistance.

Detailed Application Field Plans

The MCP4241-503E/ML finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment.
2. Industrial Automation: Used for calibration and fine-tuning of sensors and actuators.
3. Test and Measurement Instruments: Used for setting reference resistances and calibrating circuits.
4. Communication Systems: Used for impedance matching and signal conditioning.
5. Automotive Electronics: Used for controlling various parameters in automotive systems.

Detailed and Complete Alternative Models

1. MCP4251-503E/ML: Similar to MCP4241-503E/ML but with additional features such as an extra channel and extended resistance range.
2. MCP4261-503E/ML: Offers four channels for simultaneous control of multiple resistances.
3. MCP4131-503E/ML: Lower-resolution digital potentiometer with similar characteristics and package size.

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