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Name: DS3903E
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS3903E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated DS3903E

Part No.:: DS3903E

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 20-TSSOP (0.173, 4.40mm Width)

Datasheet:: DS3903E.pdf

Description:: IC DGTL POT 10K/90KOHM 20TSSOP

In Stock:: 2703

Quantity:: Add To Cart

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DS3903E Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Taper:
Linear
Configuration:
Potentiometer
NumberofCircuits:
3
NumberofTaps:
128
Resistance(Ohms):
10k, 90k
Interface:
I²C
MemoryType:
Non-Volatile
Voltage-Supply:
2.7V ~ 5.5V
Features:
Selectable Address
Tolerance:
±20%
TemperatureCoefficient(Typ):
±300ppm/°C
MountingType:
Surface Mount
OperatingTemperature:
-40°C ~ 85°C

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DS3903E information

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DS3903E Application Introduction

DS3903E is a versatile digital potentiometer commonly used in various electronic designs for tasks such as voltage regulation and signal conditioning. It offers flexibility and precision, making it suitable for a wide range of applications.

Application Scenario:

In a motor control system, DS3903E can be effectively utilized to adjust motor speed and direction based on control signals, enabling precise control over motor operations.

Circuit Design:

To optimize the design of a motor control system using DS3903E, consider the following guidelines:

1. Power Management:

Ensure proper power supply design to provide stable voltage levels to DS3903E and associated components. Utilize voltage regulators and decoupling capacitors to minimize noise and ensure reliable operation.

2. Signal Integrity:

Implement proper signal conditioning techniques to maintain signal integrity throughout the circuit. Utilize filtering and shielding methods to minimize noise interference and ensure accurate control signals for the motor.

3. Thermal Management:

Consider thermal dissipation requirements for DS3903E to prevent overheating and ensure long-term reliability. Proper heat sinking and airflow design can help dissipate heat effectively and maintain optimal operating temperatures.

4. Control Interface:

Select appropriate control interfaces, such as I2C or SPI, to communicate with DS3903E from the microcontroller or control system. Ensure proper configuration of communication protocols and address settings for seamless integration.

5. Feedback Mechanism:

Implement feedback mechanisms, such as position sensors or current sensing circuits, to provide closed-loop control and ensure accurate motor positioning and speed regulation. Utilize feedback signals to adjust the digital potentiometer settings dynamically.

Considerations:

When designing the motor control system, it's essential to consider:

- Motor Characteristics: Understand the specifications and requirements of the motor, including voltage, current, and speed range, to select appropriate components and design parameters.

- Environmental Conditions: Consider the operating environment, including temperature variations and vibration levels, to ensure the robustness and reliability of the system.

- Control Algorithm: Develop efficient control algorithms to achieve desired motor performance while minimizing energy consumption and wear on mechanical components.

- Safety Measures: Implement safety features, such as overcurrent protection and fault detection, to prevent damage to the motor and ensure user safety during operation.

- Testing and Validation: Conduct thorough testing and validation of the motor control system to verify functionality, performance, and compliance with specifications and standards.

DS3903E FAQ

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3. Are the DS3903E price and inventory displayed accurate?

The price and inventory of DS3903E fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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5. How is the shipping arranged?

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Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of DS3903E?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS3903E we delivered, we will accept the replacement or return of the DS3903E only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS3903E.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations