MCP4261T-503E/ST

Product Overview

Category

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

Use

It is primarily used for electronic circuitry and system calibration, as well as for replacing mechanical potentiometers 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/ST is available in a small 14-pin TSSOP package.

Essence

The essence of the MCP4261T-503E/ST lies in its ability to provide precise and reliable resistance adjustment in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Resolution: 8 bits
• Number of Channels: Dual-channel
• Resistance Range: 0Ω to 10kΩ
• Operating Voltage Range: 2.7V to 5.5V
• Interface: SPI (Serial Peripheral Interface)
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP4261T-503E/ST has a total of 14 pins. The pin configuration is 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. GND - Ground
11. VREF - Reference voltage input
12. B - Terminal B of channel 1
13. A - Terminal A of channel 1
14. W - Wiper terminal of channel 1

Functional Features

• Non-volatile memory allows for retaining settings even when power is removed.
• SPI interface enables easy digital control and communication with microcontrollers.
• High resolution provides precise resistance adjustment.
• Wide operating voltage range allows for compatibility with various systems.
• Low power consumption ensures energy efficiency.

Advantages and Disadvantages

Advantages

• Precise and reliable resistance adjustment
• Easy integration into electronic circuits
• Non-volatile memory for retaining settings
• Small package size for space-constrained applications
• Low power consumption for energy efficiency

Disadvantages

• Limited resolution compared to higher-end digital potentiometers
• Restricted resistance range (0Ω to 10kΩ)

Working Principles

The MCP4261T-503E/ST operates by digitally controlling the resistance between its terminal A, terminal B, and wiper terminal. The desired resistance value is set using the SPI interface, which communicates with a microcontroller. The non-volatile memory ensures that the resistance setting is retained even when power is removed.

Detailed Application Field Plans

The MCP4261T-503E/ST finds application in various fields, including:

1. Audio Equipment: It can be used for volume control and tone adjustment in audio amplifiers and mixers.
2. Industrial Automation: It can be employed for calibration and fine-tuning of industrial control systems.
3. Test and Measurement Instruments: It can be utilized for precision resistance adjustment in multimeters and signal generators.
4. Automotive Electronics: It can be integrated into automotive systems for sensor calibration and control.

Detailed and Complete Alternative Models

1. MCP4131-103E/P - Single-channel digital potentiometer with similar specifications but lower resolution (7 bits).
2. MCP4251-503E/ST - Dual-channel digital potentiometer with higher resolution (9 bits) and extended resistance range (0Ω to 100kΩ).
3. MCP4161T-503E/ST - Single-channel digital potentiometer with the same specifications as MCP4261T-503E/ST.

These alternative models provide options with varying features and capabilities, allowing users to choose based on their specific requirements.

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