X9C503PIZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Non-volatile, 50kΩ resistance range, 256 tap points
• Package: DIP-8 (Dual In-line Package)
• Essence: Adjustable resistor with digital control
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resistance Range: 0Ω to 50kΩ
• Tap Points: 256
• Resolution: 8-bit
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Endurance: 100,000 write cycles
• Interface: Serial (3-wire)

Detailed Pin Configuration

The X9C503PIZ has a total of 8 pins arranged as follows:

___________ | | 1 | | 8 |___________|

1. Terminal A: Connects to one end of the potentiometer.
2. Terminal B: Connects to the wiper of the potentiometer.
3. Terminal W: Connects to the other end of the potentiometer.
4. VCC: Positive supply voltage.
5. CS: Chip select input for serial communication.
6. U/D: Up/Down control input for changing the resistance value.
7. INC: Increment control input for increasing the resistance value.
8. GND: Ground reference.

Functional Features

• Non-volatile memory: The X9C503PIZ retains its resistance value even when power is removed.
• Digital control: The resistance can be adjusted digitally using the serial interface.
• Wide resistance range: The potentiometer can be set from 0Ω to 50kΩ.
• Fine resolution: With 256 tap points, precise resistance values can be achieved.
• Low power consumption: Operates with a supply voltage as low as 2.7V.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures that the resistance value is retained even during power loss. - Digital control allows for precise adjustment of resistance. - Wide resistance range provides flexibility in various applications. - Low power consumption makes it suitable for battery-powered devices.

Disadvantages: - Limited resolution compared to higher-bit digital potentiometers. - Serial interface may require additional circuitry for communication.

Working Principles

The X9C503PIZ is based on the concept of a digital potentiometer. It consists of a series of resistive elements connected between Terminal A and Terminal W, with the wiper (Terminal B) movable along this resistive ladder. By applying appropriate control signals to the U/D and INC pins, the wiper position can be incremented or decremented, changing the effective resistance between Terminal A and Terminal B.

The resistance value is stored in non-volatile memory, allowing it to be retained even when power is removed. This feature makes the X9C503PIZ ideal for applications where the resistance setting needs to be preserved across power cycles.

Detailed Application Field Plans

The X9C503PIZ finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Industrial Control Systems: Calibration and fine-tuning of sensors and actuators.
3. Test and Measurement Instruments: Precise resistance simulation and calibration.
4. Automotive Electronics: Adjustable settings for lighting controls, climate control systems, etc.
5. Consumer Electronics: User-adjustable settings in TVs, monitors, and home appliances.

Detailed and Complete Alternative Models

1. X9C103PIZ: 10kΩ resistance range, 256 tap points.
2. X9C203PIZ: 20kΩ resistance range, 256 tap points.
3. X9C303PIZ: 30kΩ resistance range, 256 tap points.
4. X9C403PIZ: 40kΩ resistance range, 256 tap points.

These alternative models provide different resistance ranges while maintaining the same functionality and pin configuration as the X9C503PIZ.

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