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Name: PCM1702U
Brand: Texas Instruments
SKU: PCM1702U
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

Part No.:: PCM1702U

Manufacturer:: Texas Instruments

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

Datasheet:: PCM1702U.pdf

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

In Stock:: 2569

Quantity:: Add To Cart

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

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PCM1702U Typical application Circuitry

PCM1702U

The PCM1702U is a high-performance, audio digital-to-analog converter (DAC) chip, known for its exceptional sound quality and precision. It operates on a 20-bit resolution, providing audiophile-grade audio reproduction. The chip is primarily used in high-end audio equipment, including CD players, digital audio tape (DAT) players, and digital signal processing (DSP) systems where the accurate conversion of digital audio signals to analog signals is critical.

Application Scenario: High-Fidelity CD Player

In this scenario, we'll detail the integration of the PCM1702U into a high-fidelity CD player, focusing on converting digital audio data from CDs into analog signals for playback through an audio amplifier.

Digital Input Connection

- Connect to Digital Audio Source: Interface the PCM1702U's digital input pins, DATA, BCK (Bit Clock), and LRCK (Left/Right Clock), with the digital output from the CD player's transport mechanism. This connection is pivotal for receiving the digital audio stream to be converted.

Analog Output Configuration

- Analog Audio Output: Connect the PCM1702U's analog output pins, VOUTL and VOUTR, to the inputs of an audio amplifier. These connections are crucial for delivering the converted analog audio signals to the amplifier, facilitating high-quality audio playback.

Power Supply Considerations

- Provide Dual Power Supply: Power the PCM1702U by connecting its VDD pin to a +5V supply and VSS to a -5V supply. A stable and clean power supply is essential for minimizing noise and ensuring the high fidelity of the audio output.

Clock Signals Integration

- External Clock Source: Supply an external clock signal to the PCM1702U's MCK (Master Clock) pin. The precision of the clock signal is critical for accurately timing the conversion process, affecting the audio quality directly.

System Configuration

- Digital Filter Connection: Interface a digital filter's output to the PCM1702U to preprocess the digital audio signal before conversion. This step enhances the audio quality by reducing aliasing and improving signal-to-noise ratio (SNR).

Design Considerations

When designing a circuit with the PCM1702U for a high-fidelity CD player, several critical design factors must be addressed:

- Signal Integrity: Implement measures to preserve signal integrity for both digital inputs and analog outputs. This includes careful PCB layout to minimize noise and interference.

- Power Supply Purity: Ensure the power supply to the PCM1702U is free from noise and fluctuations, as power supply quality directly impacts audio output quality.

- Thermal Management: Although the PCM1702U is not typically known for high thermal output, maintaining a stable operating temperature is beneficial for consistent performance.

- Clock Signal Accuracy: Utilize a high-precision, low-jitter clock source for the MCK input to ensure accurate timing of digital-to-analog conversion, critically affecting audio quality.

- Component Quality: Choose high-quality capacitors and resistors for the analog output stage to preserve the audio signal's integrity, minimizing distortion and coloration.

Integrating the PCM1702U into a high-fidelity CD player enables audiophiles and enthusiasts to enjoy superior audio reproduction quality. By meticulously addressing the digital and analog connection specifics, power supply quality, and signal integrity, designers can leverage the PCM1702U's capabilities to create exceptional audio playback equipment. The PCM1702U's high resolution and detailed sound reproduction make it an ideal choice for high-end audio applications.

PCM1702U FAQ

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3. Are the PCM1702U price and inventory displayed accurate?

The price and inventory of PCM1702U 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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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?

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

(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