X9C303PIZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • Non-volatile memory
  • 32 tap positions
  • Increment/Decrement control interface
  • Low power consumption
• Package: DIP-8 (Dual In-line Package)
• Essence: X9C303PIZ is a digital potentiometer IC that provides a programmable resistance value. It is commonly used in electronic circuits where variable resistance is required.
• Packaging/Quantity: The X9C303PIZ is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs.

Specifications

• Resistance Range: 0 to 10kΩ
• Tap Positions: 32
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Increment/Decrement control
• Memory Type: Non-volatile EEPROM

Detailed Pin Configuration

The X9C303PIZ has 8 pins arranged as follows:

1. VCC: Supply voltage input
2. INC: Increment control input
3. U/D: Up/Down control input
4. CS: Chip select input
5. H: Terminal H of the resistor element
6. W: Wiper terminal of the resistor element
7. L: Terminal L of the resistor element
8. GND: Ground reference

Functional Features

• Programmable resistance value with 32 tap positions
• Increment/Decrement control interface for easy adjustment
• Non-volatile memory ensures resistance settings are retained even when power is disconnected
• Low power consumption makes it suitable for battery-powered applications

Advantages and Disadvantages

Advantages: - Provides a wide range of resistance values - Easy to interface with microcontrollers or other digital control systems - Non-volatile memory eliminates the need for constant reprogramming

Disadvantages: - Limited resolution compared to analog potentiometers - Higher cost compared to traditional potentiometers

Working Principles

The X9C303PIZ utilizes an internal resistor ladder network and a wiper terminal. The resistance value between the wiper terminal and either end terminal can be adjusted by controlling the tap position. The IC stores the current resistance setting in non-volatile memory, allowing it to retain the value even when power is disconnected.

Detailed Application Field Plans

The X9C303PIZ is commonly used in various electronic applications, including:

1. Audio equipment: Volume control circuits, equalizers, and tone control circuits.
2. Industrial automation: Variable resistance adjustment in control systems.
3. Test and measurement instruments: Calibration and fine-tuning of signal levels.
4. Communication systems: Signal attenuation and gain control.
5. Automotive electronics: Adjustable settings in automotive audio systems.

Alternative Models

• X9C103PIZ: Similar specifications but with a lower resistance range (0 to 1kΩ).
• X9C503PIZ: Similar specifications but with a higher resistance range (0 to 50kΩ).
• X9C203PIZ: Similar specifications but with a different package type (SOIC-8).

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