X9258US24T1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile, 256 Taps
• Package: 24-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides digital control of resistance in electronic circuits
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Resolution: 8 bits (256 steps)
• Resistance Range: 10 kΩ
• Supply Voltage: 2.7V to 5.5V
• Interface: Serial (SPI - Serial Peripheral Interface)
• Operating Temperature: -40°C to +85°C
• Non-volatile Memory: Stores wiper position even when powered off
• Endurance: 100,000 write cycles
• Reliability: 1 million hours MTBF (Mean Time Between Failures)

Detailed Pin Configuration

The X9258US24T1 IC has a total of 24 pins, which are assigned as follows:

1. VCC: Supply voltage input
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. W: Write control input
11. RST: Reset input
12. VSS: Negative supply voltage input 13-24. NC: No connection

Functional Features

• Digital control of resistance allows for precise adjustment in electronic circuits.
• Non-volatile memory ensures that the potentiometer retains its wiper position even when power is removed.
• Serial interface enables easy integration with microcontrollers and other digital systems.
• Wide operating temperature range makes it suitable for various environments.
• High endurance and reliability ensure long-term performance.

Advantages and Disadvantages

Advantages: - Precise and accurate resistance control - Non-volatile memory retains settings during power cycles - Easy integration with digital systems - Wide operating temperature range - High endurance and reliability

Disadvantages: - Limited resolution compared to higher-bit potentiometers - Requires a serial interface for control

Working Principles

The X9258US24T1 is based on the principle of a digital potentiometer. It consists of a resistive element divided into 256 equal steps, which can be digitally controlled using the serial interface. The wiper position determines the effective resistance between the two end terminals. The non-volatile memory ensures that the wiper position is retained even when power is removed.

Detailed Application Field Plans

The X9258US24T1 finds applications in various electronic systems where precise resistance adjustment is required. Some potential application fields include:

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. Medical Devices: Sensitivity adjustment, signal conditioning

Detailed and Complete Alternative Models

1. X9258US24T2: Similar specifications, but with a different package (TSSOP)
2. X9258US48T1: Double the number of taps (512 steps), otherwise similar specifications
3. X9258US10T1: Lower resistance range (1 kΩ), otherwise similar specifications

These alternative models provide options based on specific requirements or preferences while maintaining similar functionality.

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