DS1867E-10

Product Overview

Category: Electronic Component
Use: Digital Potentiometer
Characteristics: Programmable, Dual Channel
Package: 16-Pin SOIC
Essence: Adjustable Resistance
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resolution: 256 Steps
• End-to-End Resistance Range: 10kΩ
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: Serial (SPI)
• Non-Volatile Memory: Yes

Detailed Pin Configuration

1. VDD
2. SCLK
3. SDI
4. CS
5. GND
6. A1
7. B1
8. W1
9. NC
10. VSS
11. VDD
12. SCLK
13. SDI
14. CS
15. GND
16. A0

Functional Features

• Dual channel digital potentiometer
• Programmable resistance with 256 steps
• Non-volatile memory for storing settings
• Wide supply voltage range for flexibility
• Serial interface for easy control

Advantages

• Compact package size
• High resolution for precise adjustments
• Wide operating temperature range
• Low power consumption
• Easy integration into existing systems

Disadvantages

• Limited end-to-end resistance range
• Requires external microcontroller for control
• Not suitable for high-power applications

Working Principles

The DS1867E-10 is a dual-channel digital potentiometer that allows for programmable resistance adjustments. It operates using a serial interface (SPI) and can be controlled by an external microcontroller. The device stores its settings in non-volatile memory, ensuring that the resistance values are retained even when power is removed. By adjusting the digital potentiometer, the user can vary the resistance in a circuit, enabling precise control over voltage levels or signal amplitudes.

Detailed Application Field Plans

The DS1867E-10 finds applications in various fields where adjustable resistance is required. Some potential application areas include:

1. Audio Equipment: The digital potentiometer can be used to control volume levels or tone adjustments in audio amplifiers, mixers, or equalizers.
2. Industrial Control Systems: It can be employed in industrial automation systems for setting variable parameters such as motor speed or sensor sensitivity.
3. Test and Measurement Instruments: The device can be utilized in instruments like oscilloscopes or function generators to calibrate signal levels or simulate varying resistive loads.
4. Consumer Electronics: It can be integrated into devices like televisions, gaming consoles, or home appliances to enable user-adjustable settings.

Detailed and Complete Alternative Models

1. DS1804 - Single-channel digital potentiometer with similar specifications but lower resolution (100 steps).
2. MCP4131 - Dual-channel digital potentiometer with higher resolution (1024 steps) and wider resistance range (5kΩ to 100kΩ).
3. MAX5481 - Programmable resistor array with multiple channels and high precision (0.05% tolerance).

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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