X9C104ST2

Product Overview

• Category: Electronic Component
• Use: Digital Potentiometer
• Characteristics:
  • Package: SOIC-8
  • Essence: Non-volatile, digitally controlled potentiometer
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resistance Range: 10 kΩ
• Number of Taps: 100
• End-to-End Resistance Tolerance: ±20%
• Temperature Coefficient: ±300 ppm/°C
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The X9C104ST2 digital potentiometer has the following pin configuration:

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 X9C104ST2 retains its settings even when power is removed.
• Digitally controlled: The potentiometer can be adjusted using digital signals.
• Wide operating voltage range: Can operate from 2.7V to 5.5V supply voltage.
• Small package size: The SOIC-8 package allows for compact designs.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures settings are retained. - Digital control allows for precise adjustments. - Wide operating voltage range provides flexibility in various applications. - Compact package size saves board space.

Disadvantages: - Limited resistance range (10 kΩ). - Resistance tolerance of ±20% may not be suitable for highly precise applications.

Working Principles

The X9C104ST2 is based on the principle of a digitally controlled potentiometer. It consists of a resistor ladder network and a wiper that moves along the ladder based on digital control signals. The position of the wiper determines the resistance value between the high and low terminals, allowing for variable resistance settings.

Detailed Application Field Plans

The X9C104ST2 digital potentiometer finds applications in various fields, including:

1. Audio Equipment: Volume control circuits, equalizers, and tone control circuits.
2. Industrial Control Systems: Adjustable gain amplifiers, motor speed control, and light intensity control.
3. Test and Measurement Instruments: Calibration equipment, signal generators, and programmable voltage dividers.
4. Communication Systems: Variable filters, automatic gain control circuits, and frequency synthesizers.

Detailed and Complete Alternative Models

1. X9C103S - 1 kΩ resistance range, 50 taps
2. X9C503S - 50 kΩ resistance range, 100 taps
3. X9C102S - 100 Ω resistance range, 256 taps
4. X9C503P - 50 kΩ resistance range, 256 taps

These alternative models offer different resistance ranges and tap options to suit specific application requirements.

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