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Name: PCM1702U-J
Brand: Texas Instruments
SKU: PCM1702U-J
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

Part No.:: PCM1702U-J

Manufacturer:: Texas Instruments

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

Datasheet:: PCM1702U-J.pdf

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

In Stock:: 3723

Quantity:: Add To Cart

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PCM1702U-J Specifications

Package/Case:
20-SOIC (0.209, 5.30mm Width)
Packaging:
Tube
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 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCM1702U-J 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 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 information

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PCM1702U-J Typical application Circuitry

PCM1702U-J

The PCM1702U-J is a high-performance digital-to-analog converter (DAC) chip, renowned for its exceptional audio quality and precision in the conversion of digital signals to analog form. This chip is highly regarded in the audio industry, favored for applications that demand superior sound fidelity, such as high-end audiophile stereo systems, professional audio equipment, and digital musical instruments. It excels with its 24-bit resolution capability, offering an extensive dynamic range, minimal total harmonic distortion (THD), and support for a wide range of sampling rates, ensuring an unparalleled audio listening experience.

Application Scenario: High-Quality Headphone Amplifier

Incorporating the PCM1702U-J into a high-quality headphone amplifier exemplifies its ability to deliver outstanding audio quality directly to listeners' ears.

Digital Audio Source Integration

- Digital Source Connectivity: The primary step in utilizing the PCM1702U-J involves connecting it to a digital audio source, like a CD player or a digital streaming device. This connection is made through the DAC's digital input pins, necessitating the link of serial data input (SDIN), bit clock (BCLK), and word clock (LRCK) lines to ensure the precise and accurate digital-to-analog conversion of the audio signal.

Power Supply Configuration

- Optimizing Power Supply Delivery: The audio output's quality from the PCM1702U-J greatly depends on the power supply's purity. Implementing a dual-voltage supply strategy, providing both positive and negative voltages (e.g., +5V and -5V) to the DAC, is crucial. Employing premium linear voltage regulators and installing bypass capacitors close to the power pins are essential steps to minimize noise and stabilize DAC operation.

Analog Output Refinement

- Conditioning the Output Signal: Following DAC conversion, the analog signal must be suitably conditioned before being output to the headphones. This involves routing the PCM1702U-J's output through an analog signal filtering and amplification stage, typically employing top-tier operational amplifiers (op-amps) like the OPA134 for their renowned audio qualities, to ensure the signal's integrity and richness.

Clock Precision Enhancement

- Incorporating an External Clock Source: To maximize the PCM1702U-J's performance, adding an external precision clock source is recommended. This reduces jitter, thus improving audio clarity and detail. Connecting a stable, low-jitter crystal oscillator or an external clock generator to the DAC's master clock input (MCK) can significantly enhance sound quality.

Circuit Design with PCM1702U-J: Key Considerations

Designing a circuit around the PCM1702U-J requires careful consideration of various factors:

- Ensuring Signal Integrity: Maintaining the integrity of both digital and analog signals is paramount. This can be achieved through meticulous PCB layout, including separating digital from analog sections, minimizing signal path lengths, and employing ground planes to mitigate interference.

- Thermal Management Strategy: Although the PCM1702U-J is not known for excessive heat generation, implementing strategies for effective thermal management can avert potential issues related to temperature, ensuring the DAC's reliability and longevity.

- Digital Source Compatibility: It's critical to confirm that the digital audio source matches the PCM1702U-J's input specifications. Interface circuits or digital signal processing (DSP) chips may be required to facilitate compatibility and optimize signal processing.

Embedding the PCM1702U-J within a high-quality headphone amplifier, focusing on precise digital signal interfacing, power supply refinement, analog signal enhancement, and clock source precision, enables the creation of a listening experience that satisfies even the most discerning audiophiles. The PCM1702U-J stands as a testament to the pursuit of audio excellence, catering to those who demand the highest standards of sound fidelity.

PCM1702U-J FAQ

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We have a professional and experienced quality control team to strictly verify and test the PCM1702U-J. All suppliers must pass our qualification reviews before they can publish their products including PCM1702U-J on icwhale.com; we pay more attention to the channels and quality of PCM1702U-J products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

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

The price and inventory of PCM1702U-J fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of PCM1702U-J?

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

(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