MCP4462T-103E/ST

Product Overview

Category

The MCP4462T-103E/ST belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and control systems where variable resistance is required.

Characteristics

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

Package

The MCP4462T-103E/ST comes in a small surface-mount package, making it suitable for compact designs.

Essence

This digital potentiometer serves as a replacement for traditional mechanical potentiometers, providing precise and reliable resistance adjustment.

Packaging/Quantity

The MCP4462T-103E/ST 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
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: I2C

Detailed Pin Configuration

The MCP4462T-103E/ST has a total of 14 pins, which are configured as follows:

1. VDD - Power supply voltage
2. SDA - Serial data input/output
3. SCL - Serial clock input
4. A0 - Address bit 0
5. A1 - Address bit 1
6. WP - Write protect
7. VSS - Ground
8. B - Terminal B of channel 1
9. W - Wiper terminal of channel 1
10. A - Terminal A of channel 1
11. VSS - Ground
12. B - Terminal B of channel 0
13. W - Wiper terminal of channel 0
14. A - Terminal A of channel 0

Functional Features

• Digital control allows for precise and accurate resistance adjustment.
• Non-volatile memory ensures that the potentiometer retains its settings even when power is disconnected.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range enables compatibility with various electronic systems.
• High resolution provides fine-grained control over resistance values.

Advantages and Disadvantages

Advantages

• Precise and reliable resistance adjustment
• Compact size for space-constrained designs
• Retains settings even without power
• Low power consumption
• Wide operating voltage range

Disadvantages

• Limited resistance range (up to 10kΩ)
• Requires an I2C interface for control

Working Principles

The MCP4462T-103E/ST operates by digitally controlling the resistance between its terminals. It utilizes non-volatile memory to store the resistance value, allowing it to retain its settings even when power is disconnected. The digital control interface, based on the I2C protocol, enables easy integration into electronic circuits and control systems.

Detailed Application Field Plans

The MCP4462T-103E/ST finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in audio amplifiers and mixers.
2. Instrumentation: Provides precise calibration and adjustment capabilities in measurement instruments.
3. Industrial Control Systems: Enables variable resistance control in motor speed controllers and industrial automation systems.
4. Consumer Electronics: Used in devices such as televisions, gaming consoles, and home appliances for user-adjustable settings.
5. Automotive Electronics: Provides resistance adjustment in automotive climate control systems and lighting controls.

Detailed and Complete Alternative Models

1. MCP401X: Single-channel digital potentiometer with similar specifications.
2. MCP425X: Dual-channel digital potentiometer with extended resistance range.
3. AD840X: Digital potentiometer with higher resolution and SPI interface.

These alternative models offer similar functionality and can be considered as substitutes for the MCP4462T-103E/ST in various applications.

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