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

Part No.:: PCM1702U-K/2K

Manufacturer:: Texas Instruments

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

Datasheet:: PCM1702U-K/2K.pdf

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

In Stock:: 2715

Quantity:: Add To Cart

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

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PCM1702U-K/2K Typical application Circuitry

PCM1702U-K 2K

The PCM1702U-K/2K is a highly esteemed digital-to-analog converter (DAC) chip, designed for precision audio signal conversion from digital to analog format. This component is revered for its outstanding audio performance, making it an ideal choice for high-end audio applications such as audiophile-grade stereo systems, professional audio mixing and mastering setups, and digital musical instruments. It boasts impressive features such as 24-bit resolution support, a wide dynamic range, low total harmonic distortion (THD), and compatibility with various sampling rates, thus ensuring high-fidelity sound reproduction.

Application Scenario: Audiophile-Grade Digital Audio Player

Incorporating the PCM1702U-K/2K into an audiophile-grade digital audio player illustrates its capability to deliver exceptional sound quality.

Digital Signal Interface Configuration

- Digital Source Connection: Establishing a connection with a digital audio source is paramount. This entails wiring the digital audio output, typically adhering to the I2S protocol, from the source device directly to the PCM1702U-K/2K's digital input terminals. Critical connections include the serial data input (SDIN), bit clock (BCLK), and word clock (LRCK), which are vital for the precise transmission of digital audio data to the DAC.

Optimal Power Supply Design

- Achieving Power Supply Excellence: The audio output quality of the PCM1702U-K/2K is heavily dependent on the quality of the power supply. Adopting a dual-voltage supply approach, with both positive and negative outputs (e.g., +5V and -5V), connected to the respective power supply pins on the DAC, is recommended. High-quality linear voltage regulators and the strategic placement of bypass capacitors near the power pins are essential to reduce noise and ensure a stable operation.

Analog Output Enhancement

- Refining the Analog Output: After the DAC converts the digital signal, the analog output requires further conditioning before it is ready for listening. This step typically involves routing the DAC's output through a carefully designed analog filter and amplification stage. Utilizing high-grade operational amplifiers, such as the AD797 for its exceptional audio characteristics, in a circuit designed to preserve signal integrity and minimize distortion, is crucial.

Precision Clock Integration

- External Clock Precision: For optimal performance, the PCM1702U-K/2K benefits from the integration of an external precision clock source. This minimizes jitter, enhancing the clarity and detail of the audio output. Connecting a low-jitter crystal oscillator or a specialized clock generator to the master clock input (MCK) of the DAC can significantly improve audio quality.

Designing with the PCM1702U-K/2K: Key Considerations

Crafting a circuit around the PCM1702U-K/2K requires meticulous planning and consideration of several factors:

- Signal Integrity Preservation: Protecting the integrity of both the digital and analog signals is critical. This involves thoughtful PCB layout strategies, such as segregating digital and analog sections, minimizing the length of critical signal paths, and employing ground planes to shield against interference.

- Thermal Management Practices: Although the PCM1702U-K/2K is not inherently a high-heat generating component, ensuring adequate thermal management can prevent any potential thermal-induced performance issues, preserving the longevity and reliability of the DAC.

- Compatibility with Digital Sources: Matching the digital audio source with the PCM1702U-K/2K's input requirements is essential for flawless operation. This might necessitate the use of interface circuits or digital signal processing (DSP) chips to ensure compatibility and optimal signal processing.

Integrating the PCM1702U-K/2K into an audiophile-grade digital audio player, with focused attention on digital signal interfacing, superior power supply design, analog signal refinement, and precision clock synchronization, enables the creation of a sound reproduction system of unparalleled quality. The PCM1702U-K/2K stands as a beacon of audio excellence, catering to the demands of audiophiles and professionals seeking the pinnacle of sound fidelity.

PCM1702U-K/2K FAQ

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

The price and inventory of PCM1702U-K/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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Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

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6. What is the process for return or replacement of PCM1702U-K/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-K/2K we delivered, we will accept the replacement or return of the PCM1702U-K/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-K/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