MCP4652-104E/UN

Product Overview

Category

The MCP4652-104E/UN belongs to the category of digital potentiometers.

Use

It is primarily used as a programmable resistor in various electronic circuits.

Characteristics

• Digital control interface
• Non-volatile memory for storing settings
• Wide resistance range
• Low power consumption
• Small package size

Package

The MCP4652-104E/UN is available in a compact surface-mount package.

Essence

The essence of this product lies in its ability to provide a digitally controlled variable resistance, replacing traditional mechanical potentiometers.

Packaging/Quantity

The MCP4652-104E/UN is typically packaged in reels and is available in large quantities.

Specifications

• Resistance Range: 0Ω to 10kΩ
• Resolution: 8 bits (256 steps)
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

The MCP4652-104E/UN has a total of 14 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. CS - Chip select input
3. SCK - Serial clock input
4. SDI - Serial data input
5. SDO - Serial data output
6. GND - Ground
7. A0 - Address bit 0
8. A1 - Address bit 1
9. RST - Reset input
10. VSS - Negative power supply voltage
11. B - Terminal B of the potentiometer
12. W - Wiper terminal of the potentiometer
13. A - Terminal A of the potentiometer
14. VREF - Reference voltage input

Functional Features

• Digital control allows precise adjustment of resistance
• Non-volatile memory retains settings even when power is disconnected
• SPI interface enables easy integration with microcontrollers
• Wide operating temperature range for various environments

Advantages and Disadvantages

Advantages

• Eliminates mechanical wear and tear associated with traditional potentiometers
• Allows for remote and automated control of resistance settings
• Offers high precision and repeatability in resistance adjustment

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Requires additional circuitry for voltage reference and power supply

Working Principles

The MCP4652-104E/UN utilizes a combination of digital-to-analog conversion and resistive ladder network techniques. The digital control interface communicates with the internal non-volatile memory, which stores the desired resistance settings. These settings are then translated into specific resistance values using the resistive ladder network, allowing precise adjustment of the output resistance.

Detailed Application Field Plans

The MCP4652-104E/UN finds applications in various fields, including:

1. Audio equipment: Volume control, tone adjustment
2. Industrial automation: Calibration, feedback control
3. Test and measurement instruments: Resistance simulation, signal conditioning
4. Automotive electronics: Sensor calibration, actuator control
5. Consumer electronics: Display brightness control, user interface adjustment

Detailed and Complete Alternative Models

1. MCP4131-103E/P
2. AD5241BRUZ10
3. MAX5486EUG+
4. DS1804Z-100+
5. X9C103SIZ

These alternative models offer similar functionality and can be considered as substitutes for the MCP4652-104E/UN.

Word count: 511