DS1855E-050/T&R

Product Overview

Category

The DS1855E-050/T&R belongs to the category of electronic components.

Use

This product is commonly used in various electronic devices and systems for controlling and monitoring purposes.

Characteristics

• The DS1855E-050/T&R is a digital potentiometer with non-volatile memory.
• It offers high precision and reliability in adjusting resistance values.
• The device operates within a wide temperature range, making it suitable for diverse applications.
• It features low power consumption, ensuring energy efficiency in electronic systems.

Package

The DS1855E-050/T&R is available in a compact surface-mount package, which facilitates easy integration into circuit boards.

Essence

The essence of this product lies in its ability to provide precise and programmable resistance adjustment, enabling fine-tuning of electronic circuits.

Packaging/Quantity

The DS1855E-050/T&R is typically packaged in reels, containing a specified quantity of units per reel. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Resistance Range: 0Ω to 50kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Non-Volatile Memory: Yes
• Interface: I2C

Detailed Pin Configuration

The DS1855E-050/T&R has the following pin configuration:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. SDA: Serial data line (I2C)
4. SCL: Serial clock line (I2C)
5. A0: Address selection bit 0
6. A1: Address selection bit 1
7. WP: Write protect pin
8. RST: Reset pin
9. VOUT: Output voltage

Functional Features

• Programmable resistance adjustment with high precision
• Non-volatile memory for storing resistance settings
• I2C interface for easy communication with microcontrollers and other devices
• Write protect feature to prevent accidental changes to resistance values
• Reset functionality for restoring default settings

Advantages and Disadvantages

Advantages

• High precision and reliability in resistance adjustment
• Non-volatile memory ensures retention of resistance settings during power cycles
• Wide operating temperature range allows usage in various environments
• Low power consumption contributes to energy efficiency

Disadvantages

• Limited resistance range (up to 50kΩ)
• Dependency on external control circuitry for operation

Working Principles

The DS1855E-050/T&R operates based on the principle of digital potentiometry. It utilizes a series of resistive elements and switches controlled by an integrated circuit. By adjusting the switch positions, the effective resistance between the input and output terminals can be modified digitally.

Detailed Application Field Plans

The DS1855E-050/T&R finds applications in various fields, including:

1. Audio Equipment: Precise volume control in amplifiers, mixers, and audio processors.
2. Industrial Automation: Resistance adjustment in control systems and instrumentation.
3. Automotive Electronics: Fine-tuning of circuits in automotive applications such as engine control units and infotainment systems.
4. Consumer Electronics: Control of brightness, contrast, and color balance in displays and televisions.
5. Medical Devices: Resistance adjustment in medical equipment for precise measurements and control.

Detailed and Complete Alternative Models

1. DS1804Z-010+: Similar digital potentiometer with a resistance range of 0Ω to 10kΩ.
2. MCP4017T-503E/LT: Digital potentiometer with a resistance range of 0Ω to 50kΩ and an SPI interface.
3. MAX5481EUD+: Programmable resistor with a resistance range of 0Ω to 100kΩ and a dual-channel configuration.

These alternative models offer similar functionality and can be considered as substitutes for the DS1855E-050/T&R in various applications.

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