MCP4461T-502E/ST

Product Overview

The MCP4461T-502E/ST belongs to the category of digital potentiometers and is commonly used in various electronic applications. This device offers unique characteristics, comes in a small package, and provides essential functionality for circuit design. The MCP4461T-502E/ST is available in a specific packaging and quantity, making it suitable for both prototyping and production purposes.

Basic Information

• Category: Digital Potentiometer
• Use: Electronic circuit design
• Characteristics: Small form factor, programmable resistance
• Package: TSSOP
• Essence: Provides variable resistance in electronic circuits
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

The MCP4461T-502E/ST features a 6-bit resolution with a resistance range from 0 to 50 kΩ. It operates within a wide voltage range and offers low power consumption, making it suitable for battery-powered applications. The device also supports non-volatile memory storage, allowing it to retain its settings even when powered off.

Detailed Pin Configuration

The MCP4461T-502E/ST has a total of 14 pins, including A, B, and W terminals for connecting to the external circuitry. The pinout configuration is as follows:

1. VDD - Power supply
2. A Terminal
3. B Terminal
4. W Terminal
5. CS - Chip select
6. SCK - Serial clock
7. SI - Serial input
8. SO - Serial output
9. VSS - Ground
10. VSS - Ground
11. VSS - Ground
12. VSS - Ground
13. VSS - Ground
14. VSS - Ground

Functional Features

The MCP4461T-502E/ST offers precise digital control over resistance values, allowing for dynamic adjustment of circuit parameters. It supports serial communication, enabling seamless integration with microcontrollers and other digital systems. The device also includes built-in EEPROM for storing settings, ensuring consistent performance across power cycles.

Advantages and Disadvantages

Advantages

• Precise digital control
• Non-volatile memory
• Low power consumption

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• May require additional circuitry for certain applications

Working Principles

The MCP4461T-502E/ST utilizes a combination of digital-to-analog conversion and resistive ladder network to achieve variable resistance. When configured through serial communication, the internal wiper position changes, altering the effective resistance between the A and B terminals. This mechanism allows for fine-tuning of circuit behavior without the need for physical adjustments.

Detailed Application Field Plans

The MCP4461T-502E/ST finds extensive use in various electronic applications, including: - Audio equipment for volume control - Instrumentation and measurement devices for calibration - Programmable power supplies for voltage regulation - Industrial automation for parameter adjustment

Detailed and Complete Alternative Models

For those seeking alternative digital potentiometers, the following models offer similar functionality: - AD5241: 10-bit resolution, I2C interface - MAX5481: 8-bit resolution, SPI interface - DS1803: Dual digital potentiometer, 256-tap resolution

In conclusion, the MCP4461T-502E/ST serves as a versatile component in electronic circuit design, offering precise digital control over resistance values. Its compact size, low power consumption, and non-volatile memory make it an ideal choice for various applications, from audio equipment to industrial automation.

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