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DS1802S+

Part No DS1802S+
Manufacturer Maxim Integrated
Catalog Data Acquisition - Digital Potentiometers
Description IC DGTL POT 45KOHM 65TAP 20SOIC
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits
Manufacturer Maxim Integrated
Packaging Tube
Part Status Last Time Buy
Taper Logarithmic
Configuration Potentiometer
Taps per POT 65
Resistance (Ohms) 45k
Interface Pushbutton, Serial
Memory Type Volatile
Supply Voltage (V) 2.7V ~ 5.5V
Features Cascade Pin, Mute, Zero-Cross Sense
Tolerance ±20%
Temperature Coefficient 750ppm/°C
Resistance - Wiper (Ohms) 400
Temperature Range - Operating -40°C ~ 85°C
Manufacturer Package 20-SOIC
Supplier Device Package 20-SOIC
Family Part Number DS1802
Manufacturer Pack Quantity 36
MSL Level 1 (Unlimited)
Win Source Part Number 718250-DS1802S+
Popularity Low
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian DS1802S+ CAD Model

Description

The DS1802S+ is a versatile, nonvolatile digital potentiometer designed by Maxim Integrated to deliver precision digital control to a wide array of applications. This compact component offers a dual potentiometer configuration with each potentiometer providing 256-position wiper settings, which allows for fine-tuned adjustments to signal processing or control tasks.

Constructed with high-quality materials, the DS1802S+ ensures reliable performance over its entire operating range. It operates from a 3V to 5.5V supply voltage, making it suitable for both 3.3V and 5V systems. The potentiometer's wiper resistance is low, typically 40 ohms, which gives it excellent signal fidelity and minimizes the impact on the circuits where it is implemented.

The DS1802S+ is controlled through a 3-wire serial interface that is compatible with standard SPI™, QSPI™, MICROWIRE™, and DSP interface standards. This feature provides flexibility and ease of integration into existing designs. Its nonvolatile memory ensures that the last wiper position is stored and maintained even after the power is cycled, offering a persistent setting that is essential for applications that require a specific calibration or setting upon startup.

With its wide operating temperature range from -40°C to +85°C, the DS1802S+ is suitable for use in harsh environments, ensuring consistent performance in both industrial and consumer applications. Its compact SOIC-14 package makes it easy to fit into space-constrained designs, while still providing robust functionality.

Applications for the DS1802S+ are diverse and include volume control in audio systems, LCD screen brightness adjustment, programmable filters, and more. Its digital nature allows for precise control and repeatability, which is critical for systems that require consistent and repeatable settings.

In summary, the Maxim Integrated DS1802S+ digital potentiometer is a highly reliable and precise solution for a multitude of electronic control scenarios. Its dual potentiometer design, nonvolatile memory, and compatibility with various serial interfaces make it an ideal choice for designers looking to add digital precision to their analog control circuits.

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