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Name: DAC7644EB
Brand: Texas Instruments
SKU: DAC7644EB
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 DAC7644EB

Part No.:: DAC7644EB

Manufacturer:: Texas Instruments

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

Datasheet:: DAC7644EB.pdf

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

In Stock:: 3576

Quantity:: Add To Cart

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DAC7644EB Specifications

Package/Case:
48-BSSOP (0.295, 7.50mm Width)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Active
NumberofBits:
16
NumberofD/AConverters:
4
SettlingTime:
10µs
OutputType:
Voltage - Buffered
DifferentialOutput:
No
DataInterface:
Parallel
ReferenceType:
External
Voltage-SupplyAnalog:
±5V
Voltage-SupplyDigital:
5V
INL/DNL(LSB):
±2, ±1
Architecture:
R-2R
OperatingTemperature:
-40°C ~ 85°C

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DAC7644EB information

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DAC7644EB Typical application Circuitry

DAC7644EB

A 16-bit, quad-channel digital-to-analog converter (DAC) called the DAC7644EB was created for use in situations where precise and high-precision analog output signals are needed. DAC7644EB It is frequently found in industrial process control systems, data gathering systems, and test and measurement equipment.

Application Situations:

The DAC7644EB is commonly utilized in industrial process control systems for the purpose of producing control signals for actuators and supplying reference voltages for sensors and other system components.

Key Parameters:

- Resolution: 16 bits

- Number of Channels: 4

- Output Range: Bipolar (±10V, ±5V) or Unipolar (0V to 10V, 0V to 5V)

- Supply Voltage: ±15V for analog, +5V for digital

- Interface: Parallel

- Package: 28-pin TSSOP

Circuit Design for Industrial Process Control:

1. Power Supply Connection: Connect the DAC7644EB AVDD and AVSS pins (pins 4 and 20) to ±15V power supplies, and DVDD pin (pin 27) to a +5V supply, ensuring they are well-regulated to avoid noise interference.

2. Reference Voltage: Connect a precision voltage reference to the REFIN/OUT pin (pin 9) to set the full-scale output voltage of the DAC.

3. Digital Interface: Connect the parallel interface pins (DB0-DB15, WR, CS, and LDAC) to the corresponding pins of a microcontroller or FPGA to control the DAC through a parallel interface.

4. Output Filtering: Place a low-pass filter at each DAC output (OUT0-OUT3) to smooth the analog output signals and reduce high-frequency noise.

5. Ground Connection: To create a common reference point, connect pins 5 and 28 of the AGND and DGND to the system ground.

Design Points to Remember:

- Reduce Power Supply Noise: To guarantee the correctness of the DAC output, reduce noise on the power supply lines.

- Reference Voltage Stability: To guarantee the accuracy of the full-scale output voltage, use an accurate and steady voltage reference.

- Parallel Interface Timing: Ensure proper timing and signal integrity in the parallel interface communication between the DAC and the controlling device.

- Output Filtering: Choose appropriate filter components to achieve the desired signal bandwidth and noise reduction.

- Thermal Considerations: Ensure adequate heat dissipation to maintain the stability of the DAC's performance over temperature.

By carefully considering these factors and following the outlined circuit design, the DAC7644EB can be effectively used in industrial process control systems, providing accurate and stable control voltages for various applications.

DAC7644EB FAQ

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3. Are the DAC7644EB price and inventory displayed accurate?

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6. What is the process for return or replacement of DAC7644EB?

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 DAC7644EB we delivered, we will accept the replacement or return of the DAC7644EB 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 DAC7644EB.

(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