X9261US24Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • Low power consumption
  • Non-volatile memory
  • Serial interface
  • Wide operating voltage range
• Package: 24-pin SOIC (Small Outline Integrated Circuit)
• Essence: X9261US24Z is a digital potentiometer IC used for electronic circuit control and adjustment. It provides a variable resistance that can be digitally controlled, offering flexibility and precision in various applications.
• Packaging/Quantity: The X9261US24Z is typically sold in reels of 250 units.

Specifications

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

Detailed Pin Configuration

The X9261US24Z has a total of 24 pins, each serving a specific function. Here is the detailed 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. HIZ - High impedance output
9. A0-A7 - Address inputs
10. RST - Reset input
11. RDY - Ready output 12-24. NC - No connection

Functional Features

• Digital Control: The X9261US24Z allows precise digital control of resistance, eliminating the need for mechanical potentiometers.
• Non-Volatile Memory: The IC retains its resistance setting even when power is removed, ensuring the last configuration is preserved.
• Low Power Consumption: The X9261US24Z operates with low power consumption, making it suitable for battery-powered devices.
• Wide Operating Voltage Range: With an operating voltage range of 2.7V to 5.5V, the IC can be used in various electronic systems.

Advantages and Disadvantages

Advantages: - Precise digital control - Non-volatile memory - Low power consumption - Wide operating voltage range

Disadvantages: - Limited resolution (256 steps) - Linear resistance taper only

Working Principles

The X9261US24Z utilizes a combination of digital logic and analog circuitry to achieve variable resistance control. It consists of a series of resistive elements connected in a ladder-like structure. By selectively switching these elements on or off, the effective resistance between two terminals can be adjusted digitally.

Detailed Application Field Plans

The X9261US24Z finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Automation: Calibration, process control
3. Test and Measurement Instruments: Fine-tuning, calibration
4. Automotive Electronics: Climate control, lighting adjustment
5. Consumer Electronics: Display brightness control, user interface adjustment

Detailed and Complete Alternative Models

1. X9251US24Z: Similar specifications, but with a logarithmic resistance taper.
2. X9271US24Z: Higher resolution (1024 steps) and wider temperature range (-40°C to +125°C).
3. X9281US24Z: Dual-channel version of X9261US24Z, allowing independent control of two resistances.

These alternative models offer similar functionality with slight variations to suit specific application requirements.

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