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Name: DS1809U-050+T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1809U-050+T&R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc./Maxim Integrated DS1809U-050+T&R

Part No.:: DS1809U-050+T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: DS1809U-050+T&R.pdf

Description:: IC DGTL POT 50KOHM 64TAP 8UMAX

In Stock:: 2960

Quantity:: Add To Cart

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DS1809U-050+T&R Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tape & Reel (TR)
Series:
Dallastat™
ProductStatus:
Obsolete
Taper:
Linear
Configuration:
Potentiometer
NumberofCircuits:
1
NumberofTaps:
64
Resistance(Ohms):
50k
Interface:
Pushbutton
MemoryType:
Non-Volatile
Voltage-Supply:
5V
Features:
-
Tolerance:
±20%
TemperatureCoefficient(Typ):
750ppm/°C
MountingType:
Surface Mount
OperatingTemperature:
-40°C ~ 85°C

DS1809U-050+T&R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1809U-050+T&R price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DS1809U-050+T&R to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DS1809U-050+T&R information

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The working principle and core technical features of DS1809U-050+T&R

DS1809U-050+T&R is a digitally controlled potentiometer with nonvolatile memory, designed for electronic adjustment applications. It integrates key features such as volatile wiper register and I2C serial interface for convenient digital control.

Technical Specifications:

- Resolution: 256 taps

- Resistance Range: 50 kΩ

- Supply Voltage: 2.7V to 5.5V

- Temperature Range: -40°C to +85°C

Application Scenario:

In audio equipment, DS1809U-050+T&R can be utilized for volume control. Its digital interface allows precise adjustment of audio output levels, enhancing user experience.

Circuit Design:

To implement volume control using DS1809U-050+T&R, follow these steps:

1. Interface Configuration:

Connect the SDA and SCL pins of DS1809U-050+T&R to the corresponding I2C bus lines of the microcontroller. Ensure proper pull-up resistors are employed for stable communication.

2. Power Supply:

Provide a stable power supply voltage within the specified range to DS1809U-050+T&R. Utilize voltage regulators and decoupling capacitors to minimize noise and ensure reliable operation.

3. Audio Signal Path:

Connect the output of the audio source, such as an amplifier, to one end of DS1809U-050+T&R. Connect the other end to the input of the audio output device, such as speakers or headphones.

4. Digital Control:

Implement firmware in the microcontroller to read user input or system requirements and adjust the wiper position of DS1809U-050+T&R accordingly. Utilize the I2C communication protocol to send control commands.

5. User Interface:

Integrate user interface components, such as rotary encoders or push buttons, to allow users to adjust the volume digitally. Use GPIO pins of the microcontroller to interface with these components.

Performance Enhancement:

- Precise Control: The digital interface of DS1809U-050+T&R enables precise volume adjustment, ensuring accurate audio output levels.

- Nonvolatile Memory: The nonvolatile wiper register allows the potentiometer to retain its last set position even after power cycling, maintaining user preferences.

- Space Efficiency: Integration of multiple components into a single package reduces board space and simplifies design complexity, leading to a compact and cost-effective solution.

- Reliability: The robust design and wide operating temperature range of DS1809U-050+T&R ensure reliable performance in various environmental conditions.

- Low Power Consumption: DS1809U-050+T&R operates at low power, minimizing energy consumption and extending battery life in portable audio devices.

Considerations:

When designing the circuit, it's essential to consider:

- I2C Bus Integrity: Ensure proper signal integrity and noise immunity on the I2C bus to prevent communication errors and maintain reliable control of DS1809U-050+T&R.

- Output Impedance Matching: Match the output impedance of the potentiometer with the input impedance of the audio devices to minimize signal distortion and achieve optimal audio quality.

- Mechanical Integration: Securely mount DS1809U-050+T&R on the PCB to prevent mechanical stress and ensure long-term reliability in the system.

- Compatibility Testing: Verify compatibility between DS1809U-050+T&R and other system components to avoid interoperability issues and ensure seamless integration.

DS1809U-050+T&R FAQ

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6. What is the process for return or replacement of DS1809U-050+T&R?

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 DS1809U-050+T&R we delivered, we will accept the replacement or return of the DS1809U-050+T&R 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 DS1809U-050+T&R.

(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