X9261US24I

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • Non-volatile memory
  • Serial interface
  • Low power consumption
  • Wide operating voltage range
• Package: 24-pin SOIC (Small Outline Integrated Circuit)
• Essence: X9261US24I is a digital potentiometer IC that provides non-volatile memory and can be controlled through a serial interface. It offers various advantages such as low power consumption and a wide operating voltage range.
• Packaging/Quantity: The X9261US24I is available in a 24-pin SOIC package.

Specifications

• Operating Voltage Range: 2.7V to 5.5V
• Resistance Taper: Linear
• Number of Taps: 256
• End-to-End Resistance: 10kΩ
• Temperature Range: -40°C to +85°C
• Interface: Serial (SPI - Serial Peripheral Interface)

Detailed Pin Configuration

The X9261US24I has the following pin configuration:

1. VCC - Power supply voltage
2. GND - Ground reference
3. CS - Chip select input
4. SCLK - Serial clock input
5. SDI - Serial data input
6. SDO - Serial data output
7. WP - Write protect input
8. H0 - Terminal A of the potentiometer
9. H1 - Terminal B of the potentiometer
10. H2 - Terminal W of the potentiometer
11. NC - No connection
12. NC - No connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. NC - No connection
17. NC - No connection
18. NC - No connection
19. NC - No connection
20. NC - No connection
21. NC - No connection
22. NC - No connection
23. NC - No connection
24. NC - No connection

Functional Features

• Non-volatile memory allows the X9261US24I to retain its settings even when power is removed.
• Serial interface (SPI) enables easy control and integration with microcontrollers or other digital systems.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows compatibility with various power supply levels.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures settings are retained during power cycles. - Serial interface simplifies control and integration. - Low power consumption extends battery life. - Wide operating voltage range provides flexibility in different applications.

Disadvantages: - Limited number of taps (256) compared to some other digital potentiometers. - Linear resistance taper may not be suitable for all applications requiring logarithmic response.

Working Principles

The X9261US24I operates by digitally controlling the resistance between terminals A and B using a series of taps. The desired resistance value is set through the serial interface, and the IC adjusts the tap position accordingly. The non-volatile memory ensures that the resistance setting is retained even when power is removed.

Detailed Application Field Plans

The X9261US24I can be used in various applications, including:

1. Audio equipment: Volume control, tone adjustment.
2. Industrial automation: Calibration, fine-tuning.
3. Test and measurement instruments: Signal conditioning, calibration.
4. Consumer electronics: Display brightness control, user interface adjustment.

Alternative Models

• X9258US24I: Similar digital potentiometer with 256 taps and a linear resistance taper.
• X9C103SIZ: Digital potentiometer with 100 taps and a logarithmic resistance taper.
• MCP4131-103E/P: Digital potentiometer with 128 taps and a linear resistance taper.

Note: These alternative models are provided as examples and may have different specifications or features. It is recommended to refer to the respective datasheets for detailed information.

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