X9315UMIZT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • Low power consumption
  • Non-volatile memory
  • Wide operating voltage range
  • Small package size
• Package: SOT-23-8
• Essence: X9315UMIZT1 is a digital potentiometer IC used for electronic circuit adjustments. It provides a variable resistance that can be digitally controlled.
• Packaging/Quantity: The X9315UMIZT1 is typically sold in reels containing 3000 units.

Specifications

• Resistance Range: 10kΩ
• Number of Taps: 32
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: Serial (SPI)
• Wiper Current: 3mA (maximum)
• Non-Volatile Memory: Yes
• End-to-End Resistance Tolerance: ±20%

Detailed Pin Configuration

The X9315UMIZT1 has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power 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

• Digital control of resistance value
• Non-volatile memory for storing settings
• Low power consumption
• Wide operating voltage range allows compatibility with various systems
• Small package size enables space-saving designs

Advantages and Disadvantages

Advantages: - Precise digital control over resistance - Non-volatile memory retains settings even when power is disconnected - Low power consumption extends battery life - Wide operating voltage range increases versatility - Small package size saves board space

Disadvantages: - Limited resistance range (10kΩ) - End-to-end resistance tolerance of ±20% may not be suitable for highly precise applications

Working Principles

The X9315UMIZT1 operates based on the principle of a digital potentiometer. It consists of a resistive element divided into 32 equal segments, with a wiper that can be positioned at any of these segments. The position of the wiper determines the effective resistance between the high and low terminals.

The resistance value is controlled digitally through a serial interface (SPI). The desired resistance setting is stored in non-volatile memory, allowing it to be retained even when power is disconnected. This feature makes the X9315UMIZT1 ideal for applications requiring precise and repeatable resistance adjustments.

Detailed Application Field Plans

The X9315UMIZT1 finds applications in various electronic circuits where digital control of resistance is required. Some potential application fields include:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Industrial Automation: Calibration and fine-tuning of sensors, actuators, and control systems.
3. Automotive Electronics: Climate control, lighting intensity control, and motor speed regulation.
4. Medical Devices: Precision control of medical equipment parameters, such as flow rates and pressure levels.
5. Consumer Electronics: Display brightness control, user interface adjustments, and power management.

Detailed and Complete Alternative Models

1. X9315WP: Similar specifications but in a different package (DIP-8).
2. X9315WM: Similar specifications but with a different resistance range (100kΩ).
3. X9315WS: Similar specifications but with a different number of taps (64).

These alternative models provide flexibility to suit specific application requirements while maintaining similar functionality to the X9315UMIZT1.

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