DS1845E-010

Product Overview

Category

The DS1845E-010 belongs to the category of electronic components.

Use

It is primarily used for digital potentiometer applications.

Characteristics

• Digital control interface
• Non-volatile memory
• Low power consumption
• Wide operating voltage range

Package

The DS1845E-010 is available in a compact surface-mount package.

Essence

This product serves as a programmable resistor, allowing precise resistance adjustments in various electronic circuits.

Packaging/Quantity

The DS1845E-010 is typically packaged in reels and comes in quantities of 1000 units per reel.

Specifications

• Resistance Range: 10 kΩ
• Resolution: 256 steps
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: I2C-compatible

Detailed Pin Configuration

The DS1845E-010 features a standard pin configuration with the following connections:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial data line for I2C communication
4. SCL: Serial clock line for I2C communication
5. A0: Address selection bit 0
6. A1: Address selection bit 1
7. WP: Write protect input
8. RST: Reset input
9. WIP: Work-in-progress output
10. RDY: Ready output
11. CS: Chip select input
12. HIZ: High impedance output

Functional Features

• Programmable resistance adjustment
• Non-volatile memory for storing settings
• Low power consumption during operation
• Compatibility with I2C communication protocol
• Work-in-progress and ready status indicators

Advantages and Disadvantages

Advantages

• Precise resistance control
• Non-volatile memory ensures settings are retained
• Wide operating voltage range allows for versatile applications
• Low power consumption contributes to energy efficiency

Disadvantages

• Limited resolution compared to some other digital potentiometers
• Temperature range may not be suitable for extreme environments

Working Principles

The DS1845E-010 operates by digitally controlling the resistance value using an internal circuit. It utilizes non-volatile memory to store the resistance setting, ensuring that it is retained even when power is disconnected. The device communicates with a microcontroller or other compatible devices through the I2C interface.

Detailed Application Field Plans

The DS1845E-010 finds applications in various electronic systems where precise resistance adjustments are required. Some potential application fields include:

1. Audio equipment: Volume control circuits
2. Industrial automation: Calibration and fine-tuning of sensors
3. Automotive electronics: Control of lighting intensity or motor speed
4. Test and measurement instruments: Resistance adjustment for accurate readings

Detailed and Complete Alternative Models

1. DS1804: Similar digital potentiometer with lower resolution (100 steps)
2. DS1868: Digital potentiometer with higher resolution (1024 steps) and additional features like temperature sensor integration
3. MCP401X: Alternative digital potentiometer series from Microchip with different package options and communication interfaces

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