AD8402AR10-REEL

Product Overview

Category

AD8402AR10-REEL belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and systems where variable resistance is required.

Characteristics

• Digital control interface
• Non-volatile memory
• Low power consumption
• Wide operating voltage range
• High resolution
• Small package size

Package

AD8402AR10-REEL is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of AD8402AR10-REEL lies in its ability to provide precise and programmable resistance values in various electronic applications.

Packaging/Quantity

This product is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Resolution: 8 bits
• Number of Channels: 2
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: Serial Peripheral Interface (SPI)
• Resistance Tolerance: ±20%
• End-to-End Resistance Range: 10kΩ

Pin Configuration

AD8402AR10-REEL has a total of 16 pins, which are assigned as follows:

1. VDD: Power supply voltage
2. CS: Chip select input
3. SCLK: Serial clock input
4. SDI: Serial data input
5. GND: Ground
6. H1: Terminal H1 of Channel 1
7. L1: Terminal L1 of Channel 1
8. W1: Terminal W1 of Channel 1
9. H2: Terminal H2 of Channel 2
10. L2: Terminal L2 of Channel 2
11. W2: Terminal W2 of Channel 2
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. VSS: Negative power supply voltage

Functional Features

• Programmable resistance values for precise control
• Non-volatile memory to retain settings even when powered off
• Serial interface for easy integration with microcontrollers and other digital systems
• Low power consumption for energy-efficient operation
• Wide operating voltage range allows compatibility with various power sources

Advantages and Disadvantages

Advantages

• High resolution enables fine-grained adjustment of resistance
• Non-volatile memory ensures settings are retained during power cycles
• Small package size saves board space in compact designs
• Wide operating voltage range provides flexibility in different applications

Disadvantages

• Resistance tolerance of ±20% may not be suitable for highly precise applications
• Limited number of channels (2) may restrict usage in complex systems requiring more channels

Working Principles

AD8402AR10-REEL operates based on the principle of digital potentiometry. It consists of a series of resistive elements that can be digitally controlled to vary the effective resistance between its terminals. The digital control interface, combined with non-volatile memory, allows users to program specific resistance values.

Detailed Application Field Plans

AD8402AR10-REEL finds applications in various fields, including:

1. Audio equipment: Volume control, tone adjustment
2. Industrial automation: Variable resistance control in machinery
3. Test and measurement instruments: Calibration and signal conditioning
4. Automotive electronics: Sensor calibration, climate control systems
5. Medical devices: Precision control in diagnostic equipment

Detailed and Complete Alternative Models

Some alternative models to AD8402AR10-REEL include:

1. AD8400ARZ10 - 8-bit digital potentiometer with a single channel
2. AD8403ARUZ10 - 8-bit digital potentiometer with three channels
3. MCP4131-103E/P - 8-bit digital potentiometer with single-channel and I2C interface
4. MAX5486EUD+T - 10-bit digital potentiometer with dual channels and SPI interface

These alternative models offer different features and specifications, providing options for various application requirements.

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