X9319US8I

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Non-volatile, 100 Taps, 10kΩ Resistance Range
• Package: US8I (SOIC-8)
• Essence: X9319US8I is a digital potentiometer IC that provides non-volatile storage of wiper position settings. It offers precise resistance adjustment in various applications.
• Packaging/Quantity: The X9319US8I is available in a SOIC-8 package and is typically sold in reels of 2500 units.

Specifications

• Resistance Range: 10kΩ
• Number of Taps: 100
• Supply Voltage: 2.7V to 5.5V
• Interface: Serial (SPI)
• Operating Temperature Range: -40°C to +85°C
• Non-volatile Memory: Yes
• Endurance: 100,000 Write Cycles
• Wiper Current: ±1mA (maximum)

Detailed Pin Configuration

The X9319US8I has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Supply Voltage | | 2 | H | High Terminal of Potentiometer | | 3 | W | Wiper Terminal of Potentiometer | | 4 | L | Low Terminal of Potentiometer | | 5 | CS | Chip Select (SPI) | | 6 | SCK | Serial Clock (SPI) | | 7 | SI | Serial Data Input (SPI) | | 8 | SO | Serial Data Output (SPI) |

Functional Features

• Non-volatile storage of wiper position settings allows for retention of settings even when power is removed.
• Precise resistance adjustment with 100 taps provides fine-grained control over the resistance value.
• Serial interface (SPI) enables easy integration with microcontrollers and other digital systems.
• Wide operating voltage range (2.7V to 5.5V) allows for compatibility with various power supply configurations.
• High endurance of 100,000 write cycles ensures long-term reliability.

Advantages and Disadvantages

Advantages: - Non-volatile memory preserves settings during power cycles. - Fine resolution with 100 taps allows for precise adjustments. - Easy integration with digital systems through the SPI interface. - Wide operating voltage range enhances compatibility. - High endurance ensures long-lasting performance.

Disadvantages: - Limited resistance range of 10kΩ may not be suitable for all applications. - Requires external microcontroller or digital system for control.

Working Principles

The X9319US8I operates by digitally controlling the resistance between the H (high) and L (low) terminals using the W (wiper) terminal. The wiper position is adjusted by sending commands through the SPI interface. The non-volatile memory stores the wiper position, allowing it to be retained even when power is removed. This digital potentiometer provides a reliable and precise method for resistance adjustment in electronic circuits.

Detailed Application Field Plans

The X9319US8I can be used in various applications that require precise resistance adjustment. Some potential application fields include:

1. Audio Equipment: The digital potentiometer can be used for volume control in audio amplifiers, mixers, and equalizers.
2. Industrial Automation: It can be utilized for calibration and fine-tuning of industrial control systems.
3. Test and Measurement Instruments: The X9319US8I can be integrated into signal generators, oscilloscopes, and other test equipment for precise resistance settings.
4. Consumer Electronics: It can be employed in devices such as TVs, set-top boxes, and gaming consoles for control adjustments.

Detailed and Complete Alternative Models

1. X9319WP: Similar to X9319US8I but available in a DIP-8 package.
2. X9319WM: Similar to X9319US8I but available in a SOIC-16 package.
3. X9319WS: Similar to X9319US8I but available in a TSSOP-14 package.
4. X9319WZ: Similar to X9319US8I but available in a MSOP-10 package.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the appropriate package for specific applications.

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