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Name: PCM1702U-J/2K
Brand: Texas Instruments
SKU: PCM1702U-J/2K
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 PCM1702U-J/2K

Part No.:: PCM1702U-J/2K

Manufacturer:: Texas Instruments

Package:: 20-SOIC (0.209, 5.30mm Width)

Datasheet:: PCM1702U-J/2K.pdf

Description:: IC DAC/AUDIO 20BIT 44.1K 20SO

In Stock:: 2776

Quantity:: Add To Cart

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PCM1702U-J/2K Specifications

Package/Case:
20-SOIC (0.209, 5.30mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
Type:
DAC, Audio
NumberofChannels:
2
Resolution(Bits):
20 b
SamplingRate(PerSecond):
44.1k
DataInterface:
Serial
VoltageSupplySource:
Dual ±
Voltage-Supply:
±5V
OperatingTemperature:
-25°C ~ 85°C
MountingType:
Surface Mount

PCM1702U-J/2K this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCM1702U-J/2K 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 PCM1702U-J/2K 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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PCM1702U-J/2K information

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PCM1702U-J/2K Typical application Circuitry

PCM1702U-J 2K

The PCM1702U-J/2K is an advanced digital-to-analog converter (DAC) chip, renowned for its precision and quality in converting digital audio signals into analog form. This chip is particularly favored for its use in high-fidelity audio reproduction systems, including but not limited to, audiophile-grade home audio systems, professional studio equipment, and high-end digital musical instruments. It stands out due to its support for 24-bit digital audio, offering a wide dynamic range, low total harmonic distortion (THD), and compatibility with multiple sampling rates, ensuring the delivery of clear, detailed, and rich audio experiences.

Application Scenario: Professional Mixing Console

The application of the PCM1702U-J/2K within a professional mixing console demonstrates its capacity to significantly enhance audio quality in professional audio production environments.

Digital Input Configuration

- Interfacing Digital Audio Sources: To leverage the PCM1702U-J/2K, it is crucial to establish connections with digital audio sources, such as digital audio workstations (DAWs) or digital sound sources. This involves connecting the digital audio output, typically using the I2S protocol, to the DAC's digital input pins. Essential connections include serial data input (SDIN), bit clock (BCLK), and word clock (LRCK), facilitating the accurate and precise transfer of digital audio information to the DAC.

Power Supply Optimization

- Designing a Superior Power Supply: The audio output quality of the PCM1702U-J/2K is heavily influenced by the power supply's quality. Employing a dual-voltage supply method, supplying both positive and negative voltages (e.g., +5V and -5V) to the dedicated power supply pins on the DAC, is advisable. The use of high-quality linear voltage regulators, accompanied by strategically placed bypass capacitors near the power pins, is crucial to minimize noise and ensure stable DAC operation.

Enhancing Analog Output

- Conditioning the Analog Output Signal: Post-DAC conversion, the analog signal needs appropriate conditioning before being sent to further stages of the audio path. This process typically involves passing the DAC's output through an analog signal filtering and amplification stage, using high-quality operational amplifiers like the AD823 for its excellent audio characteristics. This step is vital for maintaining the integrity and purity of the audio signal.

External Clocking for Precision

- Implementing a Precision Clock Source: To achieve the best performance from the PCM1702U-J/2K, incorporating an external precision clock source is crucial. This approach minimizes jitter, thereby enhancing the clarity and overall quality of the audio output. An external, low-jitter crystal oscillator or a dedicated clock generator connected to the master clock input (MCK) of the DAC can markedly improve the sound quality.

Designing with PCM1702U-J/2K: Considerations

Integrating the PCM1702U-J/2K into a circuit demands attention to several key aspects:

- Preserving Signal Integrity: It is imperative to maintain the integrity of both digital and analog signals throughout the design. This requires careful PCB layout planning, such as segregating digital and analog components, minimizing the lengths of critical signal paths, and using ground planes to shield against interference effectively.

- Managing Thermal Conditions: While the PCM1702U-J/2K does not typically generate excessive heat, implementing proper thermal management techniques can prevent potential thermal-induced performance issues, thereby ensuring the DAC's longevity and reliability.

- Ensuring Digital Source Compatibility: It is essential to ensure that the digital audio source is fully compatible with the PCM1702U-J/2K's input requirements. This might necessitate the use of interface circuits or digital signal processing (DSP) chips to align with the DAC's specifications and optimize signal processing.

Incorporating the PCM1702U-J/2K into a professional mixing console, with detailed attention to digital signal interfacing, power supply excellence, analog signal conditioning, and precision clock synchronization, facilitates the creation of an audio production system with unparalleled sound quality. The PCM1702U-J/2K serves as a key component in achieving superior audio fidelity, catering to the exacting standards of audiophiles and audio professionals alike.

PCM1702U-J/2K FAQ

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3. Are the PCM1702U-J/2K price and inventory displayed accurate?

The price and inventory of PCM1702U-J/2K 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 PCM1702U-J/2K?

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 PCM1702U-J/2K we delivered, we will accept the replacement or return of the PCM1702U-J/2K 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 PCM1702U-J/2K.

(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