DS1845E-050/T&R

Product Overview

Category

The DS1845E-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 adjusting parameters.

Characteristics

• The DS1845E-050/T&R is a digital potentiometer with non-volatile memory.
• It offers precise resistance adjustment capabilities.
• The device operates at low power consumption levels.
• It provides reliable performance and durability.

Package

The DS1845E-050/T&R is available in a compact surface-mount package.

Essence

The essence of this product lies in its ability to replace traditional mechanical potentiometers with a more versatile and digitally controlled alternative.

Packaging/Quantity

The DS1845E-050/T&R is typically packaged in reels, containing a specific quantity of units per reel.

Specifications

• Resistance Range: 0Ω to 50kΩ
• Resolution: 256 taps
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C

Detailed Pin Configuration

The DS1845E-050/T&R features 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 input
8. H/L: High/Low terminal of the potentiometer

Functional Features

• Non-volatile memory allows the DS1845E-050/T&R to retain its settings even when power is disconnected.
• The digital control interface enables precise and repeatable adjustments.
• The device offers a wide range of resistance values, allowing for versatile applications.
• Low power consumption ensures energy efficiency.

Advantages and Disadvantages

Advantages

• Precise resistance adjustment capabilities
• Non-volatile memory for retaining settings
• Versatile application possibilities
• Low power consumption

Disadvantages

• Limited maximum resistance value (50kΩ)
• Requires an I2C communication interface for control

Working Principles

The DS1845E-050/T&R operates by digitally controlling the resistance value using a series of taps. These taps are connected to a resistive element, allowing the effective resistance to be adjusted based on the specific tap selection. The digital control interface communicates with the device, enabling precise resistance adjustments.

Detailed Application Field Plans

The DS1845E-050/T&R finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment.
2. Industrial Automation: Employed in control systems for parameter adjustment.
3. Test and Measurement Instruments: Utilized for calibration and fine-tuning.
4. Automotive Electronics: Integrated into electronic control units for various adjustments.

Detailed and Complete Alternative Models

1. DS1804: Similar digital potentiometer with a different resistance range.
2. MCP4131: Digital potentiometer with similar specifications and features.
3. AD5259: Alternative model with extended resolution and higher resistance range.

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

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