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Name: DAC7644E
Brand: Texas Instruments
SKU: DAC7644E
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 DAC7644E

Part No.:: DAC7644E

Manufacturer:: Texas Instruments

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

Datasheet:: DAC7644E.pdf

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

In Stock:: 2367

Quantity:: Add To Cart

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DAC7644E Specifications

Package/Case:
48-BSSOP (0.295, 7.50mm Width)
Packaging:
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):
±3, ±2
Architecture:
R-2R
OperatingTemperature:
-40°C ~ 85°C

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DAC7644E information

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DAC7644E Typical application Circuitry

DAC7644E

The DAC7644E is a high-performance Digital-to-Analog Converter (DAC) widely used in precision control, automated test equipment, high-accuracy instruments, and other areas. It features multiple output channels, high-speed data conversion rates, and low power consumption, making this chip highly sought after in applications requiring precise analog signal output.

Application Scenarios

The DAC7644E can be used in a variety of scenarios such as precision voltage sources, Programmable Logic Controllers (PLCs), and analog signal generation. In these scenarios, the DAC7644E provides stable and accurate analog outputs, meeting the high requirements for signal quality in systems.

Parameter Features

- Multiple Output Channels: The DAC7644E typically offers four independent DAC channels, allowing for the simultaneous output of multiple analog signals.

- High-Speed Data Conversion: It has the capability for high-speed data conversion, quickly responding to changes in the input digital signal for fast and accurate analog output.

- Low Power Design: While maintaining high-performance output, it also features a low power consumption characteristic, suitable for power-limited applications.

Specific Application Scenario and Circuit Connection

Considering the importance of the DAC7644E in precision voltage source applications, here is an example of a specific circuit connection:

- Precision Voltage Source Design

Select Power Supply and Reference Voltage Precisely: To ensure the DAC7644E can provide accurate analog outputs, firstly, a stable and precise power supply voltage is necessary. Moreover, choosing a high-precision reference voltage source is critical for the DAC's performance.

Connect the Reference Voltage: Connect the reference voltage to the DAC7644E's VREF pin, ensuring the reference voltage's precision and stability meet the design requirements.

Digital Interface Configuration: Send digital control signals to the DAC7644E's data input pins through an SPI or parallel interface. Ensure the interface configuration matches the system's data transfer rate to avoid data bottlenecks.

Analog Output Adjustment: Each channel of the DAC7644E has independent output pins, which can be connected to external circuits (such as filters, amplifiers, etc.) to adjust the output signal's characteristics to meet specific application needs.

Ground and Power Management: Ensure all ground connections are well-established and employ proper decoupling techniques to reduce power noise, which is crucial for achieving the highest signal quality.

Considerations in Circuit Design

When designing an application circuit with the DAC7644E, several key issues need to be considered:

- Selection and Management of Power Supply and Reference Voltage: The stability and precision of the power supply and reference voltage are directly influential on the quality of the final output signal.

- Accurate Transmission of Digital Signals: Given the need for high-speed data conversion, ensuring the digital signal is transmitted accurately and timely is essential.

- Analog Output Signal Processing: Depending on the application requirements, the analog output should be properly processed, including filtering, amplification, etc., to suit the final use.

- Thermal Management: Although the DAC7644E has low power consumption, heat management is still necessary during high-speed operation or when multiple channels are working simultaneously.

By carefully considering and appropriately adjusting for the above aspects, the DAC7644E's performance can be fully leveraged, achieving high precision and stability in analog output to meet the demands of various complex application scenarios.

DAC7644E FAQ

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3. Are the DAC7644E price and inventory displayed accurate?

The price and inventory of DAC7644E 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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6. What is the process for return or replacement of DAC7644E?

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 DAC7644E we delivered, we will accept the replacement or return of the DAC7644E 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 DAC7644E.

(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