X9317UP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • Adjustable resistance value
  • Non-volatile memory
  • Serial communication interface
• Package: SOP-8 (Small Outline Package)
• Essence: X9317UP is a digital potentiometer IC that allows for adjustable resistance values through serial communication.
• Packaging/Quantity: The X9317UP is typically sold in reels of 2500 units.

Specifications

• Resistance Range: 10 kΩ to 100 kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The X9317UP has the following pin configuration:

1. VCC: Supply voltage input
2. H: High terminal of the resistor
3. W: Wiper terminal of the resistor
4. L: Low terminal of the resistor
5. CS: Chip select input
6. SCK: Serial clock input
7. SI: Serial data input
8. SO: Serial data output

Functional Features

• Adjustable resistance value through SPI interface
• Non-volatile memory to retain settings even when power is removed
• Low power consumption
• Wide operating temperature range
• Compact SOP-8 package for space-constrained applications

Advantages and Disadvantages

Advantages: - Easy digital control of resistance values - Non-volatile memory ensures settings are retained - Wide operating temperature range allows for use in various environments - Low power consumption for energy-efficient designs

Disadvantages: - Limited resolution compared to some other digital potentiometers - Requires a microcontroller or SPI interface for control

Working Principles

The X9317UP is based on the concept of a digital potentiometer. It consists of a series of resistive elements connected in a ladder-like configuration. The wiper terminal can be moved digitally to different positions along the resistor ladder, effectively changing the resistance value seen between the high and low terminals. This movement is controlled through the SPI interface, allowing for precise adjustment of the resistance value.

Detailed Application Field Plans

The X9317UP finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment.
2. Industrial Control Systems: Provides adjustable resistance for calibration and fine-tuning.
3. Test and Measurement Instruments: Allows for programmable resistance values in testing setups.
4. Automotive Electronics: Used in sensor calibration and control systems.
5. Consumer Electronics: Enables digital control of parameters in devices like TVs and gaming consoles.

Detailed and Complete Alternative Models

Some alternative models to the X9317UP include:

1. MCP4131: Digital potentiometer with higher resolution and I2C interface.
2. AD8403: Digital potentiometer with multiple channels and parallel interface.
3. MAX5481: Digital potentiometer with logarithmic taper and SPI interface.

These alternative models offer different features and specifications, providing options for specific application requirements.

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