AD5161BRMZ50

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Low power consumption, high resolution, compact size
• Package: 10-Lead MSOP (Mini Small Outline Package)
• Essence: AD5161BRMZ50 is a digital potentiometer IC that provides a variable resistance for electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Resolution: 256 taps
• Resistance Range: 0Ω to 50kΩ
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: I2C-compatible digital interface

Detailed Pin Configuration

The AD5161BRMZ50 has the following pin configuration:

1. VDD: Supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. GND: Ground connection
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 resistor element
9. W: Wiper terminal of the resistor element
10. B: Terminal connected to the other end of the resistor element

Functional Features

• Provides digitally controlled variable resistance
• Allows precise adjustment of circuit parameters
• Offers non-volatile memory for storing wiper position
• Low power consumption for energy-efficient applications
• Compact size enables space-saving designs

Advantages and Disadvantages

Advantages: - High resolution allows fine-grained adjustments - Non-volatile memory ensures settings are retained even after power loss - Wide temperature range enables operation in various environments

Disadvantages: - Limited resistance range compared to some other potentiometers - Requires I2C interface for control, which may add complexity to the circuit design

Working Principles

The AD5161BRMZ50 is based on a resistor ladder network controlled by digital signals. The wiper terminal can be moved digitally along the resistor element, effectively changing the resistance value seen between the H/L and W terminals. This allows precise adjustment of the resistance in electronic circuits.

Detailed Application Field Plans

The AD5161BRMZ50 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Automation: Calibration, sensor trimming
3. Test and Measurement Instruments: Fine-tuning circuit parameters
4. Communication Systems: Signal conditioning, impedance matching

Detailed and Complete Alternative Models

1. AD5160: Similar specifications, but with a different package (SOIC)
2. AD5170: Higher resolution (1024 taps), wider resistance range (0Ω to 100kΩ)
3. AD5204: Multiple digitally controlled potentiometers in a single package

These alternative models offer different features and specifications to suit specific application requirements.

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