MCP4261T-503E/SL

Product Overview

Category

The MCP4261T-503E/SL belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and system calibration, as well as for adjusting resistance values in various applications.

Characteristics

• Digital control interface
• Non-volatile memory
• Low power consumption
• Wide operating voltage range
• High resolution
• Small package size

Package

The MCP4261T-503E/SL is available in a small outline package (SOIC) with 14 pins.

Essence

The essence of the MCP4261T-503E/SL lies in its ability to provide precise and accurate resistance adjustments 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
• Number of Channels: Dual-channel
• 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)
• Memory Type: Non-volatile EEPROM

Detailed Pin Configuration

The MCP4261T-503E/SL 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. WP - Write protect input
7. A - Terminal A of channel 0
8. B - Terminal B of channel 0
9. W - Wiper terminal of channel 0
10. H - Terminal H of channel 1
11. G - Terminal G of channel 1
12. F - Wiper terminal of channel 1
13. VSS - Ground
14. NC - No connection

Functional Features

• Dual-channel operation for independent adjustment of two resistances
• SPI interface for easy digital control
• Non-volatile memory to retain resistance settings even when power is removed
• Low power consumption for energy-efficient applications
• Wide operating voltage range allows compatibility with various systems
• High resolution provides precise resistance adjustments

Advantages and Disadvantages

Advantages

• Precise and accurate resistance adjustments
• Easy digital control interface
• Non-volatile memory for retaining settings
• Low power consumption
• Wide operating voltage range

Disadvantages

• Limited resolution compared to higher-end digital potentiometers
• Restricted resistance range (up to 10kΩ)

Working Principles

The MCP4261T-503E/SL operates by using a combination of digital control signals and internal circuitry to adjust the resistance values. The SPI interface allows the user to send commands to the digital potentiometer, which in turn adjusts the wiper position to achieve the desired resistance. The non-volatile memory ensures that the resistance settings are retained even when power is removed.

Detailed Application Field Plans

The MCP4261T-503E/SL finds applications in various fields, including:

1. Audio equipment: Volume control, tone adjustment
2. Instrumentation: Calibration, signal conditioning
3. Industrial automation: Process control, motor speed control
4. Communication systems: Signal amplification, impedance matching
5. Automotive electronics: Climate control, lighting control

Detailed and Complete Alternative Models

1. MCP4131-103E/P - Single-channel digital potentiometer with similar specifications
2. MCP4251-502E/MS - Dual-channel digital potentiometer with extended resistance range
3. MCP4161-503E/SL - Dual-channel digital potentiometer with higher resolution

These alternative models offer similar functionality and can be considered as substitutes for the MCP4261T-503E/SL in specific applications.

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