DS1844E-010+T&R

Product Overview

Category

The DS1844E-010+T&R belongs to the category of electronic components.

Use

This product is commonly used in various electronic devices and circuits for controlling and adjusting resistance values.

Characteristics

• Precision: The DS1844E-010+T&R offers high precision in resistance adjustment, ensuring accurate control.
• Digital Control: It can be digitally controlled through an interface, allowing for easy integration into digital systems.
• Non-Volatile Memory: The device retains its resistance value even when power is removed, ensuring consistent performance upon power restoration.

Package

The DS1844E-010+T&R is available in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of DS1844E-010+T&R lies in its ability to provide precise resistance adjustment, enabling fine-tuning of electronic circuits and systems.

Packaging/Quantity

This product is typically packaged in reels or tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Resistance Range: 0Ω to 10kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: I2C-compatible

Detailed Pin Configuration

The DS1844E-010+T&R features a standard 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. W: Write protection input
8. RST: Reset input
9. RH: High terminal of the variable resistor
10. RL: Low terminal of the variable resistor

Functional Features

• Resistance Adjustment: The DS1844E-010+T&R allows precise resistance adjustment through digital control, facilitating fine-tuning of electronic circuits.
• Non-Volatile Memory: The device retains its resistance value even when power is removed, ensuring consistent performance upon power restoration.
• Address Selection: Multiple DS1844E-010+T&R devices can be used in a system by setting different address bits (A0 and A1), enabling independent control of each device.

Advantages and Disadvantages

Advantages

• High precision in resistance adjustment
• Digital control for easy integration into digital systems
• Retains resistance value during power loss
• Compact surface-mount package for space-constrained applications

Disadvantages

• Limited resistance range (up to 10kΩ)
• Requires an I2C-compatible interface for control

Working Principles

The DS1844E-010+T&R utilizes a combination of digital control and variable resistors to achieve precise resistance adjustment. The digital control interface (I2C) allows the user to select the desired resistance value, which is then implemented by adjusting the variable resistors within the device. The non-volatile memory ensures that the resistance value is retained even when power is removed.

Detailed Application Field Plans

The DS1844E-010+T&R finds applications in various fields, including:

1. Audio Equipment: Precise resistance adjustment is crucial for achieving optimal audio quality in amplifiers, equalizers, and audio mixers.
2. Industrial Control Systems: The device can be used for calibration and fine-tuning of control systems in industrial automation.
3. Test and Measurement Instruments: Resistance adjustment is often required in test equipment such as signal generators and oscilloscopes.
4. Automotive Electronics: The DS1844E-010+T&R can be utilized in automotive applications for controlling resistance values in electronic systems.

Detailed and Complete Alternative Models

1. DS1804E-010+T&R: Similar to DS1844E-010+T&R, but with a different package and pin configuration.
2. DS1868E-010+T&R: Offers extended resistance range and additional features such as temperature compensation.
3. DS1809E-010+T&R: Provides multiple channels of digitally controlled resistors in a single package.

These alternative models offer similar functionality to the DS1844E-010+T&R, catering to different requirements and specifications.

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