X9260TS24IT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile, 256 Taps
• Package: TSOP-24
• Essence: X9260TS24IT1 is a digital potentiometer IC that allows for programmable resistance adjustments in electronic circuits.
• Packaging/Quantity: Comes in a tape and reel packaging with 250 units per reel.

Specifications

• Resistance Range: 0 to 10kΩ
• Resolution: 8-bit (256 steps)
• Supply Voltage: 2.7V to 5.5V
• Interface: Serial (SPI)
• Operating Temperature: -40°C to +85°C
• Non-volatile Memory: Yes
• Wiper Current: 3mA (maximum)

Detailed Pin Configuration

The X9260TS24IT1 IC has a total of 24 pins arranged 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

Functional Features

• Programmable resistance adjustment through serial interface
• Non-volatile memory retains settings even when power is disconnected
• Wide operating voltage range allows for compatibility with various systems
• High resolution provides precise resistance control
• SPI interface enables easy integration into digital circuits
• Write protect input prevents accidental changes to resistance settings
• Reset input allows for initialization of the IC

Advantages and Disadvantages

Advantages: - Programmable resistance allows for flexibility in circuit design - Non-volatile memory ensures settings are retained even during power loss - High resolution provides precise control over resistance values - Wide operating voltage range enables compatibility with different systems - SPI interface simplifies integration into digital circuits

Disadvantages: - Limited maximum wiper current may restrict usage in high-power applications - Requires external components for proper operation - Limited resistance range (0 to 10kΩ) may not be suitable for all applications

Working Principles

The X9260TS24IT1 is based on the principle of a digital potentiometer. It consists of a resistive ladder network and a wiper that can be moved digitally to adjust the resistance value. The IC utilizes non-volatile memory to store the wiper position, ensuring that the resistance setting is maintained even when power is disconnected.

When a new resistance value is desired, the IC receives commands through the serial interface (SPI). These commands specify the desired wiper position, which is then translated into a specific resistance value. The wiper moves accordingly, adjusting the resistance in the circuit.

Detailed Application Field Plans

The X9260TS24IT1 finds applications in various electronic systems where programmable resistance adjustment is required. Some potential application fields include:

1. Audio Equipment: Allows for volume control and tone adjustments.
2. Industrial Control Systems: Enables precise calibration of sensors and actuators.
3. Test and Measurement Instruments: Provides adjustable reference resistances for accurate measurements.
4. Communication Systems: Facilitates impedance matching and signal conditioning.
5. Automotive Electronics: Allows for fine-tuning of circuit parameters in automotive systems.

Alternative Models

1. X9250TS24IT1: Similar digital potentiometer IC with 256 taps and a different pin configuration.
2. X9C103S: Digital potentiometer IC with 100 taps and a smaller package size.
3. MCP4131-103E/P: Programmable digital potentiometer IC with 128 taps and an SPI interface.

These alternative models offer similar functionality but may have different specifications, pin configurations, or package sizes.

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