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Name: DAC904E
Brand: Texas Instruments
SKU: DAC904E
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 DAC904E

Part No.:: DAC904E

Manufacturer:: Texas Instruments

Package:: 28-TSSOP (0.173, 4.40mm Width)

Datasheet:: DAC904E.pdf

Description:: IC DAC 14BIT A-OUT 28TSSOP

In Stock:: 280

Quantity:: Add To Cart

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DAC904E Specifications

Package/Case:
28-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
SpeedPlus™
ProductStatus:
Active
NumberofBits:
14
NumberofD/AConverters:
1
SettlingTime:
30ns (Typ)
OutputType:
Current - Unbuffered
DifferentialOutput:
Yes
DataInterface:
Parallel
ReferenceType:
External, Internal
Voltage-SupplyAnalog:
2.7V ~ 5.5V
Voltage-SupplyDigital:
2.7V ~ 5.5V
INL/DNL(LSB):
±3, ±2.5
Architecture:
Current Source
OperatingTemperature:
-40°C ~ 85°C

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DAC904E information

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DAC904E Typical application Circuitry

DAC904E

The DAC904E is a specialized digital-to-analog converter (DAC) that excels in converting digital data into analog signals with remarkable speed and precision. This chip finds its utility in diverse settings, ranging from intricate signal processing to the synthesis of complex waveforms, underscoring its versatility in the realm of electronic design and engineering.

Notable Attributes and Specifications:

- The DAC904E distinguishes itself with a 14-bit resolution, offering fine granularity in the analog signals it produces, which is crucial for applications demanding high fidelity.

- A standout feature is its conversion rate, peaking at 165 MSPS (Mega Samples Per Second), making it an ideal choice for scenarios requiring swift data handling and real-time signal generation.

- The device is capable of delivering a broad spectrum of output voltages, with the precise range adjustable via an external reference voltage, affording designers the flexibility to tailor the output to specific application needs.

- Efficiency is another hallmark of the DAC904E, thanks to its low power draw and an integrated output buffer that simplifies circuit designs and trims down the overall component count.

Application Example – Generating Analog Signals in Communication Systems:

One illustrative use case of the DAC904E is in the generation of modulated signals for communication systems, where digital data needs to be converted into analog form for transmission over various mediums.

1. Digital Data Source: The inception point is a source of digital data, like a microprocessor or FPGA, which generates or stores the digital bits to be transformed into an analog signal.

2. Data Interface with DAC904E: The DAC904E interfaces with this digital source through its parallel input ports. These ports accept the digital bits (D0 to D13), converting them into an equivalent analog voltage.

3. Clocking Mechanism: A pivotal component of this setup is the delivery of a precise clock signal to the DAC904E's CLK pin, dictating the rate at which digital samples are processed and converted.

4. Adjusting Output with Reference Voltage: The application of an external reference voltage to the REF pin of the DAC904E is a critical step. This voltage sets the scale for the output signal's amplitude, enabling fine control over the signal's strength.

5. Analog Output Processing: The analog signal outputted by the DAC904E can then be manipulated further, depending on the specific needs of the communication system, such as filtering or amplification, to ensure compatibility with the transmission medium.

Design Insights:

Incorporating the DAC904E into a signal generation circuit for a communication system necessitates a thoughtful approach to several design aspects:

- Maintaining Signal Integrity: The integrity of both the digital input and analog output signals is paramount. This involves meticulous PCB layout practices to minimize interference and signal distortion.

- Stable Power Supply Requirements: The DAC904E's performance is contingent on a stable and clean power supply to avoid fluctuations that could degrade signal quality.

- Effective Heat Dissipation: Given the rapid operation of the DAC904E, managing heat dissipation is crucial to prevent thermal issues that could impact performance or reliability.

- Customizing Output for Specific Needs: The choice of reference voltage and the configuration of output signal conditioning must be aligned with the operational requirements of the communication system to ensure the fidelity and effectiveness of the transmitted signal.

In essence, the DAC904E serves as a potent and adaptable component for the generation of high-quality analog signals from digital data. Its deployment in a communication system exemplifies its capacity to meet the rigorous demands of modern electronic applications, highlighting the necessity for diligent circuit design and optimization to fully leverage the DAC's capabilities.

DAC904E FAQ

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3. Are the DAC904E price and inventory displayed accurate?

The price and inventory of DAC904E 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 DAC904E?

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 DAC904E we delivered, we will accept the replacement or return of the DAC904E 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 DAC904E.

(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