DS1868BE-100+ - English Editing Encyclopedia Entry

Product Overview

Category: Electronic Component
Use: Digital Potentiometer
Characteristics: High precision, low power consumption
Package: SOIC-16
Essence: Adjustable resistor with digital control
Packaging/Quantity: Tape and Reel / 2500 units per reel

Specifications

• Resistance Range: 0Ω to 100kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Non-Volatile Memory: Yes
• Interface: SPI (Serial Peripheral Interface)
• Tolerance: ±20%
• Power Consumption: 1μA (standby), 1mA (active)

Detailed Pin Configuration

The DS1868BE-100+ has a total of 16 pins arranged as follows:

┌───┬───┬───┬───┐ │ 1 │ 2 │ 3 │ 4 │ ├───┼───┼───┼───┤ │ 5 │ 6 │ 7 │ 8 │ ├───┼───┼───┼───┤ │ 9 │10 │11 │12 │ ├───┼───┼───┼───┤ │13 │14 │15 │16 │ └───┴───┴───┴───┘

Functional Features

• Digital control allows precise adjustment of resistance.
• Non-volatile memory retains settings even when power is disconnected.
• SPI interface enables easy integration into digital systems.
• Wide temperature range allows operation in various environments.
• Low power consumption ensures energy efficiency.

Advantages and Disadvantages

Advantages: - High precision resistance adjustment. - Non-volatile memory for retaining settings. - Easy integration with digital systems. - Wide temperature range for versatile applications. - Low power consumption for energy efficiency.

Disadvantages: - Tolerance of ±20% may limit some high-precision applications. - Limited resolution of 256 steps may not be sufficient for certain applications.

Working Principles

The DS1868BE-100+ is a digital potentiometer that utilizes a series of resistive elements to provide adjustable resistance. It employs a digital control interface, specifically the Serial Peripheral Interface (SPI), to allow precise resistance adjustments. The non-volatile memory feature ensures that the resistance settings are retained even when power is disconnected.

Detailed Application Field Plans

The DS1868BE-100+ finds applications in various fields, including but not limited to:

1. Audio Equipment: Precise volume control in amplifiers and audio mixers.
2. Industrial Automation: Resistance adjustment in control systems and sensors.
3. Test and Measurement: Calibration and fine-tuning of test equipment.
4. Communication Systems: Signal conditioning and impedance matching.
5. Automotive Electronics: Control of lighting systems and motor speed.

Detailed and Complete Alternative Models

1. DS1804Z-100+: Similar specifications, different package (DIP-8).
2. MCP4131-103E/P: Comparable features, alternative manufacturer (Microchip).
3. AD8400ARZ10: Higher resolution (1024 steps), similar characteristics.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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