X9408YV24IT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile, 24 Taps
• Package: 24-pin DIP (Dual Inline Package)
• Essence: Provides a digitally controlled variable resistance
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resistance Range: 0 to 100 kiloohms
• Resolution: 10-bit (1024 steps)
• End-to-End Resistance Tolerance: ±20%
• Temperature Coefficient: ±300 ppm/°C
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VCC: Power 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. U/D: Up/Down control input
8. INC: Increment control input
9. A0-A9: Address inputs
10. W: Write control input
11. H/L: High/Low control input
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

• Digitally programmable resistance
• Non-volatile memory for storing settings
• Serial interface for easy control and configuration
• Increment and Up/Down control for precise adjustments
• High resolution for fine-grained resistance changes

Advantages and Disadvantages

Advantages: - Precise and accurate resistance control - Non-volatile memory retains settings even when power is lost - Compact package size for space-constrained applications - Easy integration with microcontrollers and digital systems

Disadvantages: - Limited resistance range compared to traditional potentiometers - Higher cost compared to mechanical potentiometers - Requires additional circuitry for serial communication

Working Principles

The X9408YV24IT1 is a digital potentiometer that utilizes a series of resistive elements and switches controlled by digital signals. It operates by adjusting the resistance between its terminals based on the digital input received. The resistance value can be programmed digitally, allowing for precise and repeatable adjustments.

The IC incorporates non-volatile memory, which enables it to retain the resistance settings even when power is removed. This feature ensures that the potentiometer maintains its previous state upon power-up, eliminating the need for recalibration.

Detailed Application Field Plans

The X9408YV24IT1 finds applications in various fields where precise resistance control is required. Some potential application areas include:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Industrial Automation: Calibration and control of sensors, actuators, and variable speed drives.
3. Test and Measurement: Programmable resistance loads, calibration equipment, and signal conditioning.
4. Communication Systems: Signal attenuation, impedance matching, and gain control.
5. Automotive Electronics: Climate control, lighting intensity adjustment, and motor control.

Detailed and Complete Alternative Models

1. X9408YV24IZ-2.7T1: Same specifications, but operates at a lower voltage range of 2.7V to 3.6V.
2. X9408YV24IZ-5T1: Same specifications, but operates at a higher voltage range of 4.5V to 5.5V.
3. X9408YV24IZ-10T1: Same specifications, but offers a wider resistance range of 0 to 200 kiloohms.

These alternative models provide flexibility in terms of voltage compatibility and resistance range, allowing for customization based on specific application requirements.

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