MCP4261T-104E/ST

Product Overview

Category

The MCP4261T-104E/ST 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
• High resolution and accuracy
• Low power consumption
• Wide operating voltage range
• Small package size

Package

The MCP4261T-104E/ST is available in a small surface mount package.

Essence

The essence of the MCP4261T-104E/ST lies in its ability to provide precise digital control over resistance values, making it suitable for various applications.

Packaging/Quantity

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

Specifications

• Resolution: 10-bit
• Number of Channels: 4
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Resistance Range: 0Ω to 10kΩ
• Tolerance: ±20%
• Power Consumption: 2.5µA (standby), 0.5mA (active)

Detailed Pin Configuration

The MCP4261T-104E/ST has a total of 14 pins, which are as follows:

1. VDD - Power supply voltage
2. VSS - Ground
3. CS - Chip select input
4. SCK - Serial clock input
5. SDI - Serial data input
6. SDO - Serial data output
7. A - Terminal A of channel 0
8. B - Terminal B of channel 0
9. W - Wiper terminal of channel 0
10. A - Terminal A of channel 1
11. B - Terminal B of channel 1
12. W - Wiper terminal of channel 1
13. VREF - Reference voltage input
14. VSS - Ground

Functional Features

• Digital control of resistance values
• Non-volatile memory for storing settings
• Ability to cascade multiple devices for increased resolution
• Software programmable features
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages

• Precise digital control over resistance values
• Easy integration into electronic circuits
• Non-volatile memory ensures settings are retained even when power is lost
• Wide operating voltage range allows for flexibility in different applications

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Tolerance of ±20% may not be suitable for applications requiring high precision

Working Principles

The MCP4261T-104E/ST operates by using a combination of digital control signals and internal circuitry to adjust the resistance value between its terminals. The digital control signals are provided through the SPI interface, allowing for precise and accurate adjustments.

Detailed Application Field Plans

The MCP4261T-104E/ST 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 control systems.
3. Test and measurement instruments: Used for setting reference resistances and calibrating sensors.
4. Communication systems: Used for impedance matching and signal conditioning.

Detailed and Complete Alternative Models

1. MCP4131-103E/P: 10-bit digital potentiometer with single-channel configuration.
2. MCP4251-103E/P: 10-bit dual-channel digital potentiometer with similar specifications.
3. MCP4161-104E/SL: 10-bit quad-channel digital potentiometer with extended temperature range.

These alternative models offer similar functionality and can be considered as alternatives to the MCP4261T-104E/ST based on specific application requirements.

In conclusion, the MCP4261T-104E/ST is a versatile digital potentiometer that provides precise digital control over resistance values. With its small package size, low power consumption, and wide operating voltage range, it finds applications in various fields such as audio equipment, industrial automation, test and measurement instruments, and communication systems. While it may have limitations in terms of resolution and tolerance, there are alternative models available to suit different application needs.