MCP4641T-502E/ML

Product Overview

Category

The MCP4641T-502E/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 MCP4641T-502E/ML is available in a small outline package (SOP) with a total of 14 pins.

Essence

The essence of the MCP4641T-502E/ML lies in its ability to provide precise digital control over resistance values, making it suitable for various applications 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
• Resistance Range: 0 to 50 kilohms
• 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

The MCP4641T-502E/ML 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. SI - Serial data input
5. SO - Serial data output
6. WP - Write protect input
7. VSS - Ground
8. A0 - Address bit 0
9. A1 - Address bit 1
10. RDY/BSY - Ready/busy status output
11. VREF - Reference voltage input
12. VOUTB - Terminal B of the potentiometer
13. VSS - Ground
14. VOUTA - Terminal A of the potentiometer

Functional Features

• Digital control of resistance value through SPI interface
• Non-volatile memory for storing resistance settings
• Low power consumption in standby mode
• High resolution and accuracy for precise control
• Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages

• Precise digital control over resistance values
• Compact package size for space-constrained applications
• Non-volatile memory ensures retention of resistance settings
• Low power consumption extends battery life
• Wide operating voltage range allows for versatile use

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Higher cost compared to traditional mechanical potentiometers

Working Principles

The MCP4641T-502E/ML operates based on the principle of digitally controlling the resistance value using a series of switches. These switches are controlled by the input signals received through the SPI interface. By opening and closing specific switches, the desired resistance value can be achieved.

Detailed Application Field Plans

The MCP4641T-502E/ML finds application in various fields, including:

1. Audio equipment: Used for volume control and tone adjustment.
2. Industrial automation: Used for setting precise resistance values in control circuits.
3. Test and measurement instruments: Used for calibration and signal conditioning.
4. Automotive electronics: Used for sensor calibration and control circuit adjustment.
5. Consumer electronics: Used in devices such as televisions, gaming consoles, and home appliances for control purposes.

Detailed and Complete Alternative Models

1. MCP4131-103E/P - 10 kilohm digital potentiometer with similar specifications.
2. MCP4251-502E/MS - Dual-channel digital potentiometer with 50 kilohm resistance range.
3. MCP4561-502E/ML - Higher-resolution digital potentiometer with 12-bit resolution.

These alternative models offer similar functionality and can be considered as substitutes for the MCP4641T-502E/ML in various applications.

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