What is the Additional Feature ?

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

Part No.:: PCM1702U/2K

Manufacturer:: Texas Instruments

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

Datasheet:: PCM1702U/2K.pdf

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

In Stock:: 3626

Quantity:: Add To Cart

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PCM1702U/2K Specifications

Package/Case:
20-SOIC (0.209, 5.30mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
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/2K this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCM1702U/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/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/2K information

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PCM1702U/2K Typical application Circuitry

PCM1702U 2K

The PCM1702U/2K is a distinguished digital-to-analog converter (DAC) chip, celebrated for its high fidelity and precision in converting digital audio signals into analog form. This chip is a staple in the realm of high-end audio applications, including but not limited to, audiophile home audio systems, professional audio mixing and mastering studios, and digital musical instruments.

Application Scenario: High-Fidelity Home Audio System

The integration of the PCM1702U/2K in a high-fidelity home audio system exemplifies its prowess in delivering superior sound quality.

Configuring Digital Inputs

- Interfacing with Digital Sources: To utilize the PCM1702U/2K, one must first connect it to a digital audio source, such as a streaming device or digital media player. This necessitates wiring the source's digital output, typically in I2S format, to the DAC's digital input pins, ensuring the serial data (SDIN), bit clock (BCLK), and word clock (LRCK) are properly connected to facilitate accurate digital-to-analog conversion.

Power Supply Management

- Securing a Robust Power Supply: The performance of the PCM1702U/2K is significantly influenced by the stability and cleanliness of its power supply. It is advisable to employ a dual power supply strategy, providing both positive and negative voltage supplies (e.g., +5V and -5V) to the chip. Implementing high-quality voltage regulators and positioning bypass capacitors close to the power supply pins are imperative steps to mitigate noise and ensure the DAC operates under optimal conditions.

Analog Signal Conditioning

- Optimizing the Analog Output Path: Post-conversion, the analog signal output from the PCM1702U/2K must be conditioned before it reaches the amplifier and speakers. This phase often includes passing the signal through an analog filter and amplification circuit, using precision operational amplifiers (op-amps) like the LM4562, known for their low noise and distortion, to preserve the audio signal's purity and detail.

External Clock Synchronization

- Incorporating a High-Precision Clock: To enhance the PCM1702U/2K's performance, integrating a high-precision, low-jitter external clock source is essential. This ensures the DAC operates synchronously with the digital audio signal, minimizing timing inaccuracies or jitter that could detract from the audio quality.

Circuit Design Considerations

Designing with the PCM1702U/2K mandates attention to several key aspects:

- Maintaining Signal Integrity: The integrity of both digital and analog signals is crucial. Employing a PCB layout that segregates digital and analog components, minimizing signal path lengths, and using ground planes effectively can significantly reduce interference and preserve signal quality.

- Heat Dissipation: While the PCM1702U/2K is not particularly known for generating excessive heat, maintaining a stable temperature through adequate ventilation or heat sinking can prevent thermal-related performance issues.

- Digital Source Compatibility: Ensuring the digital audio source and the PCM1702U/2K are compatible is vital. This may require additional interfacing or signal conversion to align with the DAC's digital input specifications.

By integrating the PCM1702U/2K into a high-fidelity home audio system, with meticulous consideration for digital input interfacing, power supply integrity, analog output conditioning, and precision clock synchronization, one can achieve an audio reproduction system that delivers unparalleled sound quality. The PCM1702U/2K's implementation is a testament to the enduring quest for audio perfection, catering to the discerning ears of audiophiles and high-end audio enthusiasts.

PCM1702U/2K FAQ

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