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Name: DAC7744EB
Brand: Texas Instruments
SKU: DAC7744EB
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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Texas Instruments DAC7744EB

Part No.:: DAC7744EB

Manufacturer:: Texas Instruments

Package:: 48-BSSOP (0.295, 7.50mm Width)

Datasheet:: DAC7744EB.pdf

Description:: IC DAC 16BIT V-OUT 48SSOP

In Stock:: 16952

Quantity:: Add To Cart

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DAC7744EB Specifications

Package/Case:
48-BSSOP (0.295, 7.50mm Width)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Active
NumberofBits:
16
NumberofD/AConverters:
4
SettlingTime:
11µs
OutputType:
Voltage - Buffered
DifferentialOutput:
No
DataInterface:
Parallel
ReferenceType:
External
Voltage-SupplyAnalog:
±14.25V ~ 15.75V
Voltage-SupplyDigital:
5V
INL/DNL(LSB):
±4 (Max), ±2 (Max)
Architecture:
R-2R
OperatingTemperature:
-40°C ~ 85°C

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DAC7744EB information

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DAC7744EB Typical application Circuitry

DAC7744EB

DAC7744EB is a precision quad-channel digital-to-analog converter (DAC) chip designed by Texas Instruments. It is engineered to deliver high accuracy and reliability in converting digital signals into precise analog voltages across four independent channels. This chip finds widespread applications in industries such as industrial automation, telecommunications, audio equipment, medical devices, and scientific instrumentation.

Key Parameters and Characteristics:

- Quad 16-Bit DAC Channels: Each channel provides 16-bit resolution, ensuring precise conversion of digital input signals into analog voltages.

- Exceptional Accuracy and Linearity: DAC7744EB exhibits outstanding accuracy and linearity characteristics, making it suitable for applications requiring precise analog signal generation.

- Serial Interface (SPI/I2C): With a built-in serial interface, it enables seamless communication with microcontrollers or digital signal processors, facilitating easy integration into digital systems.

- Low Power Consumption: Operating with low power consumption, DAC7744EB is ideal for energy-efficient applications or those requiring battery-powered operation.

- Wide Output Voltage Range: Supporting a wide output voltage range, it offers flexibility in configuring output voltages to meet diverse application requirements.

Application Scenario: Precision Data Acquisition System

One compelling application for DAC7744EB is in designing a precision data acquisition system, particularly in laboratory settings where accurate analog signals are crucial for experimentation and analysis. Here's a detailed circuit design for integrating DAC7744EB into such a system:

1. Digital Interface Setup (SDI, SCK, CS): Connect these pins (e.g., SDI to Pin 2, SCK to Pin 3, CS to Pin 4) to the microcontroller's SPI/I2C interface for digital communication and configuration of output voltages.

2. Analog Output Configuration (OUTA, OUTB, OUTC, OUTD): These pins (e.g., OUTA to Pin 5, OUTB to Pin 6, OUTC to Pin 7, OUTD to Pin 8) serve as the analog outputs for each DAC channel. Connect these outputs to precision measurement instruments or transducers to generate accurate analog signals for data acquisition.

3. Power Supply and Ground Connections (VCC, GND): Ensure a stable power supply connection by connecting the VCC pin (e.g., Pin 1) to the positive supply voltage and the GND pin (e.g., Pin 9) to the ground reference.

4. Reference Voltage Input (REF): Provide a stable and accurate reference voltage to the REF pin (e.g., Pin 10) to establish the full-scale output range of the DAC channels, ensuring accuracy and stability in analog signal generation.

5. Output Signal Conditioning: Implement signal conditioning circuitry, such as amplifiers or filters, to condition the output signals for precise data acquisition and analysis.

Design Considerations:

- Signal Accuracy and Stability: Ensure that DAC7744EB maintains signal accuracy and stability under varying operating conditions, considering factors such as temperature variations and noise interference.

- Dynamic Range and Resolution: Select appropriate output voltage ranges and resolution settings to accommodate the dynamic range and resolution requirements of the data acquisition system, ensuring accurate data acquisition and analysis.

- Interference and Noise Reduction: Implement measures to minimize electromagnetic interference (EMI) and noise in the system, such as shielding, filtering, and proper grounding, to maintain signal integrity and reliability.

- System Calibration and Testing: Develop calibration procedures and perform rigorous testing to verify the accuracy and reliability of the data acquisition system, ensuring it meets performance specifications and regulatory requirements.

Integrating DAC7744EB into a precision data acquisition system highlights its capability to deliver accurate and stable analog signals, essential for various scientific and engineering applications. Careful consideration of design parameters and thorough testing are critical to ensure optimal performance and reliability in such systems.

DAC7744EB FAQ

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6. What is the process for return or replacement of DAC7744EB?

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 DAC7744EB we delivered, we will accept the replacement or return of the DAC7744EB 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 DAC7744EB.

(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