X9317ZV8T1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile, 100 Taps
• Package: SOIC-8
• Essence: Provides a digitally controlled variable resistor
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resistance Range: 0 to 10kΩ
• Resolution: 100 taps
• End-to-End Resistance Tolerance: ±20%
• 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

Detailed Pin Configuration

The X9317ZV8T1 has a total of 8 pins in the SOIC package:

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

Functional Features

• Digitally programmable resistance allows precise control
• Non-volatile memory retains wiper position during power cycles
• SPI interface enables easy communication with microcontrollers
• Wide operating voltage range for versatile applications
• Compact SOIC package saves board space

Advantages and Disadvantages

Advantages

• Precise and repeatable resistance adjustment
• Eliminates mechanical wear and contact noise
• Low power consumption
• Non-volatile memory ensures settings are retained

Disadvantages

• Limited resolution compared to analog potentiometers
• Requires digital interface for control

Working Principles

The X9317ZV8T1 is a digital potentiometer that replaces traditional mechanical potentiometers. It consists of a resistive element and a wiper terminal. The resistance value between the wiper terminal and one end of the resistive element can be adjusted digitally using the SPI interface.

When a specific resistance value is programmed, the wiper terminal position changes accordingly, altering the output voltage or current in a circuit. The non-volatile memory ensures that the wiper position is retained even when power is removed.

Detailed Application Field Plans

The X9317ZV8T1 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: Signal conditioning, calibration
4. Automotive Electronics: Climate control, lighting control
5. Consumer Electronics: Display brightness control, user interface adjustment

Detailed and Complete Alternative Models

1. MCP401X: Microchip Technology, Inc.
2. AD840X: Analog Devices, Inc.
3. MAX548X: Maxim Integrated Products, Inc.
4. CAT513X: ON Semiconductor
5. DS180X: Dallas Semiconductor (Maxim)

These alternative models offer similar functionality and can be considered as alternatives to the X9317ZV8T1.

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