X9C503PZ

Product Overview

• Category: Electronic Component
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile, 50kΩ Resistance Range
• Package: PDIP-8, SOIC-8
• Essence: Integrated Circuit (IC)
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Resistance Range: 50kΩ
• Resolution: 100 Steps
• End-to-End Resistance Tolerance: ±20%
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Wiper Current: 3mA (maximum)
• Non-volatile Memory: Stores wiper position during power-off

Detailed Pin Configuration

The X9C503PZ has a total of 8 pins arranged as follows:

┌───┬───┐ │1 8│ VCC │2 7│ H │3 6│ W │4 5│ L └───┴───┘

1. VCC: Supply Voltage Input
2. H: High Terminal of the Potentiometer
3. W: Wiper Terminal of the Potentiometer
4. L: Low Terminal of the Potentiometer

Functional Features

• Digitally programmable potentiometer
• Non-volatile memory retains wiper position during power-off
• Provides 100 discrete resistance steps
• Simple 3-wire serial interface for control
• Low power consumption
• Wide operating voltage range

Advantages and Disadvantages

Advantages

• Allows precise and flexible resistance adjustment
• Eliminates the need for mechanical potentiometers
• Non-volatile memory ensures settings are retained
• Compact size and easy integration into electronic circuits
• Low power consumption extends battery life

Disadvantages

• Limited resistance range compared to some other potentiometers
• Resolution may not be sufficient for certain applications
• Sensitive to electrostatic discharge (ESD) during handling

Working Principles

The X9C503PZ is a digital potentiometer that replaces traditional mechanical potentiometers. 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 digitally to select different resistance values. The wiper position is controlled using a simple 3-wire serial interface.

When a specific resistance value is selected, the X9C503PZ adjusts the resistance between the H and W terminals accordingly. The non-volatile memory ensures that the wiper position is retained even when power is removed, allowing the device to resume at the same setting upon power-up.

Detailed Application Field Plans

The X9C503PZ finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Control Systems: Calibration, signal conditioning
3. Test and Measurement Instruments: Fine-tuning, calibration
4. Automotive Electronics: Climate control, lighting adjustment
5. Consumer Electronics: Display brightness control, user interface adjustment

Detailed and Complete Alternative Models

1. X9C102PZ: 1kΩ Resistance Range, 100 Steps
2. X9C103PZ: 10kΩ Resistance Range, 100 Steps
3. X9C104PZ: 100kΩ Resistance Range, 100 Steps
4. X9C503SIZ: 50kΩ Resistance Range, 256 Steps
5. X9C503SZ: 50kΩ Resistance Range, 100 Steps

These alternative models offer different resistance ranges and resolutions to suit specific application requirements.

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