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Name: DAC38J82IAAV
Brand: Texas Instruments
SKU: DAC38J82IAAV
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 DAC38J82IAAV

Part No.:: DAC38J82IAAV

Manufacturer:: Texas Instruments

Package:: 144-FBGA, FCBGA

Datasheet:: DAC38J82IAAV.pdf

Description:: IC DAC 16BIT A-OUT 144FCBGA

In Stock:: 2982

Quantity:: Add To Cart

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DAC38J82IAAV Specifications

Package/Case:
144-FBGA, FCBGA
Packaging:
Tray
Series:
-
ProductStatus:
Active
NumberofBits:
16
NumberofD/AConverters:
2
SettlingTime:
10ns (Typ)
OutputType:
Current - Unbuffered
DifferentialOutput:
Yes
DataInterface:
JESD204B
ReferenceType:
External, Internal
Voltage-SupplyAnalog:
3.15V ~ 3.45V
Voltage-SupplyDigital:
0.85V ~ 0.95V
INL/DNL(LSB):
±6, ±4
Architecture:
Current Source
OperatingTemperature:
-40°C ~ 85°C

DAC38J82IAAV this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DAC38J82IAAV price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DAC38J82IAAV to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DAC38J82IAAV information

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DAC38J82IAAV Typical application Circuitry

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The DAC38J82IAAV is a high-performance, dual-channel, 16-bit digital-to-analog converter (DAC) optimized for applications requiring high-speed and precise analog output. This component is specifically designed to address the needs of complex signal generation systems, such as those found in wireless communications, radar systems, test and measurement equipment, and broadband data applications.

Key Features and Parameters:

- Dual-Channel Output: Provides two independent DAC channels, facilitating the generation of complex signal patterns or simultaneous signal outputs.

- 16-Bit Resolution: Ensures high fidelity in the analog output, allowing for precise and detailed signal generation.

- High-Speed Operation: Supports gigasamples per second (GSPS) conversion rates, making it ideal for high-frequency applications.

- JESD204B Interface: Equipped with a JESD204B high-speed serial interface, reducing data input pin count and simplifying system design and integration.

Application Scenario: A practical application of the DAC38J82IAAV is in a broadband communication transmitter, where it generates the carrier signals modulated with data for high-speed data transmission over wireless networks.

Detailed Circuit Design for Broadband Communication Transmitter:

1. High-Speed Serial Data Inputs (JESD204B, Pins D0-D7): These pins are connected to the output of a high-performance digital signal processor (DSP) or field-programmable gate array (FPGA) that prepares and serializes the digital data for transmission. The DAC38J82IAAV converts this serialized data into analog form, with each channel handling a different part of the spectrum or signal chain.

2. Clock Input (CLK+, CLK-, Pins 8, 9): A precise differential clock signal is supplied to these pins from a high-quality clock generator. This clock signal ensures the synchronization of data conversion processes across both DAC channels, which is critical for maintaining signal coherence and timing accuracy in high-speed communications.

3. Reference Voltage Inputs (VREF+, VREF-, Pins 10, 11): Stable reference voltages are applied to these pins to set the output signal amplitude range of the DAC. The accuracy and stability of the reference voltages directly influence the linearity and dynamic range of the analog output, impacting overall signal quality.

4. Analog Outputs (AOUT1, AOUT2, Pins 12, 13): The analog signals generated by the DAC are output through these pins and are then typically passed through filtering and amplification stages before being transmitted. The outputs must be carefully managed to preserve signal integrity and meet transmission standards.

5. Power Supply and Grounding (AVDD, DVDD, AGND, DGND, Various Pins): Providing clean and stable power to the DAC38J82IAAV is crucial. Analog and digital power supplies should be separated to minimize noise coupling, with proper decoupling applied at each power pin to ensure a noise-free environment for the DAC's operation.

Design Considerations:

- Signal Integrity: Ensuring minimal signal degradation requires careful PCB layout, especially for the high-speed serial lines and clock inputs, using impedance-controlled traces and minimizing cross-talk.

- Thermal Management: The high-speed operation of the DAC38J82IAAV can generate significant heat. Adequate cooling, such as heat sinks or forced air, might be necessary to maintain optimal performance and prevent thermal-induced drift.

- Power Supply Purity: The analog and digital sections of the DAC should have low-noise, stable power sources, with extensive filtering and isolation to prevent supply-induced distortions in the analog output.

- Reference Voltage Stability: High-precision, low-drift reference voltages are essential for achieving consistent and accurate analog output, necessitating the use of high-quality reference sources.

Integrating the DAC38J82IAAV into a broadband communication transmitter highlights the DAC's capability to handle high-speed, complex signal processing tasks, enabling efficient and accurate data transmission over wireless networks. Addressing the key design considerations ensures the system can fully leverage the DAC's advanced features to enhance the quality and reliability of communication signals.

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6. What is the process for return or replacement of DAC38J82IAAV?

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 DAC38J82IAAV we delivered, we will accept the replacement or return of the DAC38J82IAAV 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 DAC38J82IAAV.

(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