X9C102SZT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • Non-volatile memory
  • Serial interface
  • Low power consumption
  • Wide resistance range
• Package: SOT-23-8
• Essence: X9C102SZT1 is a digital potentiometer IC used for electronic circuit adjustments. It provides a non-volatile memory that retains the settings even when power is removed.
• Packaging/Quantity: The X9C102SZT1 is typically sold in reels of 3000 units.

Specifications

• Resistance Range: 100Ω to 10kΩ
• Resolution: 100 steps
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial (3-wire)

Detailed Pin Configuration

The X9C102SZT1 has a total of 8 pins, which are as follows:

1. VCC: Supply voltage input
2. H: High terminal of the resistor element
3. U/D: Up/Down control input
4. CS: Chip select input
5. INC: Increment control input
6. W: Wiper terminal of the resistor element
7. GND: Ground
8. L: Low terminal of the resistor element

Functional Features

• Non-volatile Memory: The X9C102SZT1 stores the wiper position digitally in its non-volatile memory, allowing it to retain the settings even after power is removed.
• Serial Interface: It features a simple 3-wire serial interface for easy integration into various electronic circuits.
• Low Power Consumption: The IC operates with low power consumption, making it suitable for battery-powered devices.
• Wide Resistance Range: With a resistance range from 100Ω to 10kΩ, it offers flexibility in adjusting circuit parameters.

Advantages and Disadvantages

Advantages: - Retains settings even when power is removed - Easy integration with a simple serial interface - Low power consumption - Wide resistance range for flexible circuit adjustments

Disadvantages: - Limited resolution of 100 steps - Requires additional control signals for operation

Working Principles

The X9C102SZT1 utilizes a resistor ladder network controlled by digital signals. The wiper terminal (W) moves along the resistor element, changing the resistance between the high (H) and low (L) terminals. The position of the wiper is digitally stored in non-volatile memory, allowing it to retain the settings even without power. Control signals, such as up/down (U/D) and increment (INC), are used to adjust the wiper position.

Detailed Application Field Plans

The X9C102SZT1 finds applications in various electronic circuits that require adjustable parameters. Some potential application fields include:

1. Audio Equipment: Volume control, tone adjustment
2. Lighting Systems: Dimming control
3. Test and Measurement Instruments: Calibration adjustments
4. Industrial Automation: Process control parameter adjustments
5. Consumer Electronics: Circuit tuning and calibration

Detailed and Complete Alternative Models

1. X9C103SZT1: Similar to X9C102SZT1 but with higher resolution (256 steps)
2. X9C104SZT1: Higher resistance range (100Ω to 100kΩ) compared to X9C102SZT1
3. X9C105SZT1: Dual-channel digital potentiometer for stereo applications

Note: The above alternative models are from the same X9C series and offer similar functionality with slight variations in specifications.

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