MCP4261-104E/P

Product Overview

Category

The MCP4261-104E/P belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and system control applications.

Characteristics

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

Package

The MCP4261-104E/P comes in a small outline package (SOIC) with 14 pins.

Essence

The essence of the MCP4261-104E/P lies in its ability to provide precise and flexible resistance adjustments in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 8 bits
• Number of Channels: 4
• Operating Voltage Range: 2.7V to 5.5V
• Interface Type: SPI (Serial Peripheral Interface)
• Temperature Range: -40°C to +125°C
• Resistance Tolerance: ±20%
• End-to-End Resistance Range: 10kΩ

Detailed Pin Configuration

1. VDD - Power supply voltage input
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. A0 - Address bit 0
8. A1 - Address bit 1
9. A2 - Address bit 2
10. H/L - Hardware lock input
11. B - Terminal B of channel 1
12. W - Wiper terminal of channel 1
13. A - Terminal A of channel 1
14. GND - Ground reference

Functional Features

• Non-volatile memory storage allows for retaining settings even when power is disconnected.
• SPI interface enables easy integration with microcontrollers and other digital systems.
• Hardware lock input provides protection against accidental changes to resistance values.
• Wide operating voltage range ensures compatibility with various power supply configurations.

Advantages and Disadvantages

Advantages

• Precise resistance adjustments
• Flexible control interface
• Low power consumption
• Compact package size
• Non-volatile memory storage

Disadvantages

• Limited resolution (8 bits)
• Resistance tolerance of ±20%

Working Principles

The MCP4261-104E/P operates by digitally controlling the resistance between its terminal A and terminal B. This is achieved through the use of a series of internal resistors and switches that can be selectively connected or disconnected based on the desired resistance value. The digital control interface, in conjunction with the non-volatile memory storage, allows for precise and repeatable resistance adjustments.

Detailed Application Field Plans

The MCP4261-104E/P finds applications in various fields, including:

1. Audio equipment: Volume control circuits, equalizers, and audio mixers.
2. Industrial automation: Process control systems, motor speed control, and instrumentation.
3. Automotive electronics: Climate control systems, lighting controls, and dashboard displays.
4. Medical devices: Precision control circuits, patient monitoring systems, and laboratory equipment.
5. Consumer electronics: Remote control devices, gaming consoles, and smart home automation.

Detailed and Complete Alternative Models

1. MCP4131-103E/P: 10kΩ digital potentiometer with 8-bit resolution and 1 channel.
2. MCP4251-104E/P: 100kΩ digital potentiometer with 8-bit resolution and 4 channels.
3. MCP4161-502E/P: 50kΩ digital potentiometer with 10-bit resolution and 2 channels.
4. MCP4201-503E/P: 50kΩ digital potentiometer with 8-bit resolution and 1 channel.

These alternative models offer similar functionality but may vary in terms of resistance range, resolution, and number of channels.

In conclusion, the MCP4261-104E/P is a versatile digital potentiometer that provides precise resistance adjustments for various electronic circuitry applications. Its compact size, low power consumption, and non-volatile memory storage make it an attractive choice for designers seeking flexible control over resistance values.