X9317TV8ZT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Non-volatile, 100 Taps, 10kΩ Resistance, 8-bit Resolution
• Package: SOT-23-8
• Essence: Provides adjustable resistance in electronic circuits
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Resistance Range: 0Ω to 10kΩ
• Resolution: 8-bit (256 steps)
• Number of Taps: 100
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• End-to-End Resistance Tolerance: ±20%
• Wiper Resistance: 80Ω typical
• Non-volatile Memory: Stores wiper position during power-off

Detailed Pin Configuration

The X9317TV8ZT1 IC has the following pin configuration:

1. VCC: Power supply voltage input
2. H: High terminal of the resistor network
3. W: Wiper terminal of the resistor network
4. L: Low terminal of the resistor network
5. CS: Chip select input
6. SCL: Serial clock input
7. SDA: Serial data input/output
8. GND: Ground reference

Functional Features

• Adjustable resistance for fine-tuning circuit parameters
• Non-volatile memory retains wiper position during power-off
• Serial interface for easy integration with microcontrollers
• Wide operating voltage range allows compatibility with various systems
• Compact package size enables space-saving designs

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures settings are retained during power cycles - High resolution and number of taps provide precise adjustment - Serial interface simplifies control and integration - Wide operating voltage range enhances compatibility

Disadvantages: - End-to-end resistance tolerance may limit precision in some applications - Limited temperature range (-40°C to +85°C) compared to some alternatives

Working Principles

The X9317TV8ZT1 is a digital potentiometer that utilizes a resistor network to provide adjustable resistance. It consists of a series of resistive elements connected between the high (H) and low (L) terminals, with a wiper (W) that can be moved along the resistor network. The position of the wiper determines the effective resistance between H and W.

The IC features non-volatile memory, which stores the wiper position even when power is removed. This allows the device to retain its settings during power-off periods. The resistance value is adjusted by sending control signals through the serial interface (SCL and SDA pins), enabling precise and convenient adjustment of circuit parameters.

Detailed Application Field Plans

The X9317TV8ZT1 digital potentiometer finds applications in various electronic systems, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Control Systems: Calibration, fine-tuning
3. Test and Measurement Instruments: Signal conditioning, calibration
4. Communication Systems: Gain control, impedance matching
5. Automotive Electronics: Climate control, sensor calibration

Detailed and Complete Alternative Models

1. MCP401X: Microchip Technology, 10kΩ, 8-bit resolution, SPI interface
2. AD8400: Analog Devices, 10kΩ, 8-bit resolution, I2C interface
3. MAX5481: Maxim Integrated, 10kΩ, 256-tap, SPI interface

These alternative models offer similar functionality and can be considered as substitutes for the X9317TV8ZT1 in various applications.

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