MCP4462-502E/ST

Product Overview

Category

The MCP4462-502E/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
• Compact package size
• High resolution and accuracy
• Low power consumption

Package

The MCP4462-502E/ST is available in a small surface-mount package.

Essence

The essence of the MCP4462-502E/ST lies in its ability to provide precise digital control over resistance values, offering flexibility and accuracy in various electronic applications.

Packaging/Quantity

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

Specifications

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

Detailed Pin Configuration

The MCP4462-502E/ST has a total of 14 pins, which are configured as follows:

1. VDD - Power supply voltage input
2. VSS - Ground reference
3. SDA - Serial data input/output
4. SCL - Serial clock input
5. A0 - Address bit 0
6. A1 - Address bit 1
7. CS - Chip select input
8. RDY - Ready output
9. WIP - Write-in-progress output
10. RST - Reset input
11. B - Terminal B of channel 1
12. W - Wiper terminal of channel 1
13. A - Terminal A of channel 1
14. B - Terminal B of channel 2

Functional Features

• Digital control of resistance values
• Non-volatile memory for storing settings
• Increment/decrement functionality for easy adjustment
• I2C interface for communication with microcontrollers
• Power-on reset to ensure proper initialization

Advantages and Disadvantages

Advantages

• Precise digital control over resistance values
• Compact package size for space-constrained designs
• Low power consumption for energy-efficient applications
• Non-volatile memory for retaining settings even after power loss

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Restricted resistance range (0Ω to 10kΩ)
• Requires I2C communication protocol support in the host system

Working Principles

The MCP4462-502E/ST operates by utilizing a combination of digital control signals and internal circuitry to adjust the resistance value. The digital potentiometer consists of a series of resistive elements connected in a ladder-like configuration. By controlling the wiper position, the effective resistance between the wiper terminal and one of the end terminals can be adjusted digitally.

Detailed Application Field Plans

The MCP4462-502E/ST finds application in various electronic systems, including but not limited to: - Audio equipment: Volume control, tone adjustment - Industrial automation: Calibration, feedback control - Test and measurement instruments: Signal conditioning, calibration - Communication systems: Gain control, impedance matching

Detailed and Complete Alternative Models

1. MCP4131-103E/P - Single-channel digital potentiometer with similar specifications
2. MCP4261-104E/P - Quad-channel digital potentiometer with extended resistance range
3. MAX5486EUD+T - Dual-channel digital potentiometer with higher resolution

These alternative models offer different features and specifications, providing flexibility in choosing the most suitable digital potentiometer for specific applications.

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