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Name: LTC2644HMS-L12#PBF
Brand: Analog Devices Inc.
SKU: LTC2644HMS-L12#PBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. LTC2644HMS-L12#PBF

Part No.:: LTC2644HMS-L12#PBF

Manufacturer:: Analog Devices Inc.

Package:: 12-TSSOP (0.118, 3.00mm Width)

Datasheet:: LTC2644HMS-L12#PBF.pdf

Description:: IC DAC 12BIT V-OUT 12MSOP

In Stock:: 2833

Quantity:: Add To Cart

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LTC2644HMS-L12#PBF Specifications

Package/Case:
12-TSSOP (0.118, 3.00mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
NumberofBits:
12
NumberofD/AConverters:
2
SettlingTime:
7.8µs (Typ)
OutputType:
Voltage - Buffered
DifferentialOutput:
No
DataInterface:
PWM
ReferenceType:
External, Internal
Voltage-SupplyAnalog:
2.7V ~ 5.5V
Voltage-SupplyDigital:
2.7V ~ 5.5V
INL/DNL(LSB):
±1, ±1 (Max)
Architecture:
-
OperatingTemperature:
-40°C ~ 125°C

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LTC2644HMS-L12#PBF information

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Basic introduction and simple engineering application of LTC2644HMS-L12#PBF

LTC2644HMS-L12#PBF is a 12-bit voltage output digital-to-analog converter (DAC) manufactured by Linear Technology (now part of Analog Devices). It is commonly used in various electronic applications for its precision and versatility.

Introduction:

The LTC2644HMS-L12#PBF DAC converts digital input codes into analog voltages with 12-bit resolution, providing fine granularity and accuracy for voltage control applications. It operates from a single 2.7V to 5.5V supply and communicates through an I2C-compatible serial interface, making it easy to integrate into digital systems.

Application Scenario:

In this tutorial, we'll explore a simple project using the LTC2644HMS-L12#PBF DAC to generate analog voltage outputs based on digital input codes. We'll demonstrate how to interface the DAC with a microcontroller and generate varying voltages to control the brightness of an LED.

Experiment Setup:

To implement this project, follow these steps:

1. Hardware Setup:

- Connect the VDD and GND pins of the LTC2644HMS-L12#PBF DAC to a stable power supply (2.7V to 5.5V). - Connect the SCL and SDA pins of the DAC to the corresponding I2C lines of the microcontroller. - Connect the VOUT pin of the DAC to the analog input pin of the LED driver circuit.

2. Software Configuration:

- Initialize the I2C communication peripheral of the microcontroller. - Write a firmware code to send digital codes to the LTC2644HMS-L12#PBF DAC via the I2C interface. - Implement a function to convert desired voltage levels into corresponding digital codes for the DAC.

3. LED Driver Circuit:

- Design a simple LED driver circuit using a transistor or a MOSFET to control the LED's brightness. - Connect the output of the DAC to the input of the LED driver circuit. - Ensure proper current limiting resistors are used in series with the LED to prevent overcurrent.

4. Testing and Calibration:

- Upload the firmware code to the microcontroller and power up the circuit. - Send different digital codes to the DAC to generate varying analog voltages. - Observe the corresponding changes in LED brightness to verify the DAC's functionality.

Considerations:

- Voltage Range: Ensure that the generated analog voltages fall within the operating range of the LED and the LED driver circuit.

- Resolution: Take advantage of the 12-bit resolution of the LTC2644HMS-L12#PBF DAC to achieve smooth and precise control of LED brightness.

- Timing Considerations: Pay attention to the timing requirements of the I2C communication protocol to avoid data transmission errors.

- Noise Immunity: Implement proper decoupling capacitors and noise filtering techniques to minimize interference and ensure stable DAC operation.

By following these steps, you can gain hands-on experience with the LTC2644HMS-L12#PBF DAC and understand its role in generating analog voltages for controlling various electronic components like LEDs in your projects.

LTC2644HMS-L12#PBF FAQ

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6. What is the process for return or replacement of LTC2644HMS-L12#PBF?

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 LTC2644HMS-L12#PBF we delivered, we will accept the replacement or return of the LTC2644HMS-L12#PBF 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 LTC2644HMS-L12#PBF.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations