MCP4361-103E/ST

Product Overview

Category: Electronic Component
Use: Digital Potentiometer
Characteristics: Programmable, Non-volatile, Single Channel
Package: TSSOP-14
Essence: MCP4361-103E/ST is a digital potentiometer that allows for programmable resistance adjustment in electronic circuits. It provides a non-volatile solution for replacing mechanical potentiometers.
Packaging/Quantity: The MCP4361-103E/ST is available in a TSSOP-14 package and is typically sold in reels of 2500 units.

Specifications

• Resolution: 8 bits
• Number of Channels: 1
• Resistance Range: 0 to 10 kΩ
• Interface: SPI (Serial Peripheral Interface)
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP4361-103E/ST has a total of 14 pins, which are 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. A2 - Address bit 2
10. HIZ - High impedance terminal
11. WP - Write protect input
12. VSS - Negative power supply voltage
13. B - Terminal B of the potentiometer
14. W - Wiper terminal of the potentiometer

Functional Features

• Programmable resistance adjustment
• Non-volatile memory for storing settings
• SPI interface for easy integration with microcontrollers
• Wide operating voltage range for compatibility with various systems
• High resolution of 8 bits for precise resistance control

Advantages and Disadvantages

Advantages: - Replaces mechanical potentiometers with a more reliable and durable solution - Allows for remote or automated resistance adjustment - Non-volatile memory retains settings even when power is disconnected - Compact package size for space-constrained applications

Disadvantages: - Limited to a single channel, not suitable for applications requiring multiple independent adjustments - Requires knowledge of SPI interface for proper integration - Higher cost compared to traditional potentiometers

Working Principles

The MCP4361-103E/ST operates by digitally controlling the resistance between the B and W terminals. It utilizes non-volatile memory to store the resistance settings, allowing for persistence even when power is removed. The digital potentiometer communicates with a microcontroller or other control device through the SPI interface, enabling precise and programmable resistance adjustment.

Detailed Application Field Plans

The MCP4361-103E/ST can be used in various applications that require adjustable resistance, such as:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Control Systems: Calibration, feedback control
3. Test and Measurement Instruments: Signal conditioning, calibration
4. Automotive Electronics: Climate control, lighting control
5. Consumer Electronics: Display brightness control, user interface adjustment

Detailed and Complete Alternative Models

1. MCP4131-103E/ST: 8-bit digital potentiometer, single channel, TSSOP-14 package
2. MCP4161-103E/ST: 8-bit digital potentiometer, dual channel, TSSOP-14 package
3. MCP4251-103E/ST: 8-bit digital potentiometer, quad channel, TSSOP-14 package
4. MCP4362-103E/ST: 10-bit digital potentiometer, single channel, TSSOP-14 package
5. MCP4561-103E/ST: 12-bit digital potentiometer, single channel, TSSOP-14 package

These alternative models offer different resolution and channel options to suit specific application requirements.

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