X9116WS8Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Non-volatile, 10kΩ resistance range, 8-bit resolution
• Package: SOIC-8
• Essence: X9116WS8Z is a digital potentiometer IC that allows for digitally controlled resistance adjustments. It provides a non-volatile solution with a wide resistance range and high resolution.
• Packaging/Quantity: The X9116WS8Z is available in a Small Outline Integrated Circuit (SOIC) package with 8 pins.

Specifications

• Resistance Range: 10kΩ
• Resolution: 8-bit
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Non-volatile Memory: Stores wiper position during power-off
• Endurance: 100,000 write cycles
• Supply Current: 1mA (typical)

Detailed Pin Configuration

The X9116WS8Z has the following pin configuration:

1. VCC: Power supply voltage
2. H: High voltage logic input
3. CS: Chip select input
4. SCK: Serial clock input
5. SI: Serial data input
6. SO: Serial data output
7. W: Wiper terminal of the potentiometer
8. GND: Ground reference

Functional Features

• Digital Control: The X9116WS8Z allows for precise digital control of resistance settings through the SPI interface.
• Non-volatile Memory: The IC stores the wiper position in non-volatile memory, ensuring that the resistance setting is retained even when power is removed.
• Wide Resistance Range: With a resistance range of 10kΩ, the X9116WS8Z can be used in various applications requiring different resistance values.
• High Resolution: The 8-bit resolution provides fine-grained control over the resistance setting.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures retention of resistance settings during power-off. - Wide resistance range allows for versatile use in different applications. - High resolution provides precise control over resistance adjustments. - Compact SOIC package offers ease of integration.

Disadvantages: - Limited endurance of 100,000 write cycles may be a concern in high-frequency adjustment scenarios. - Requires an SPI interface for digital control, which may add complexity to the system design.

Working Principles

The X9116WS8Z utilizes a digital potentiometer circuit to achieve resistance adjustments. It consists of a series of resistive elements connected in a ladder configuration. The wiper terminal, controlled by the digital inputs, taps into this ladder and determines the effective resistance between the wiper and one end of the ladder. The digital control signals are processed by the IC's internal circuitry, allowing for precise resistance adjustments.

Detailed Application Field Plans

The X9116WS8Z finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Control Systems: Calibration, feedback control
3. Test and Measurement Instruments: Fine-tuning resistance values
4. Consumer Electronics: Display brightness control, user interface settings

Detailed and Complete Alternative Models

1. X9115WS8Z: Similar to X9116WS8Z but with a 5kΩ resistance range.
2. X9117WS8Z: Similar to X9116WS8Z but with a 50kΩ resistance range.
3. X9118WS8Z: Similar to X9116WS8Z but with a 100kΩ resistance range.

These alternative models provide options for different resistance requirements while maintaining similar functionality and features.

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