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Name: PCM1704U-J
Brand: Texas Instruments
SKU: PCM1704U-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 PCM1704U-J

Part No.:: PCM1704U-J

Manufacturer:: Texas Instruments

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

Datasheet:: PCM1704U-J.pdf

Description:: IC DAC/AUDIO 24BIT 96K 20SO

In Stock:: 3527

Quantity:: Add To Cart

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PCM1704U-J Specifications

Package/Case:
20-SOIC (0.209, 5.30mm Width)
Packaging:
Tube
Series:
SoundPlus™
ProductStatus:
Obsolete
Type:
DAC, Audio
NumberofChannels:
2
Resolution(Bits):
24 b
SamplingRate(PerSecond):
96k
DataInterface:
Serial
VoltageSupplySource:
Dual ±
Voltage-Supply:
±5V
OperatingTemperature:
-25°C ~ 85°C
MountingType:
Surface Mount

PCM1704U-J this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCM1704U-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 PCM1704U-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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PCM1704U-J information

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PCM1704U-J Typical application Circuitry

PCM1704U-J

The PCM1704U-J is a high-performance, monolithic digital-to-analog converter (DAC) known for its exceptional sound quality and precision. It is widely used in high-end audio applications, including professional audio equipment, high-fidelity (Hi-Fi) systems, and advanced audio playback devices.

Key Features of the PCM1704U-J:

This DAC operates with a dynamic range typically exceeding 120dB and boasts a total harmonic distortion plus noise (THD+N) level that is remarkably low, under 0.0008%. It supports 24-bit digital audio and can work with sampling rates up to 96kHz, making it capable of handling high-resolution audio formats with ease.

Application Scenario - High-End Audio Playback System:

One common application of the PCM1704U-J is in the construction of a high-end audio playback system, where the aim is to reproduce audio signals with the highest possible fidelity.

Detailed Circuit Connection Example:

1.Digital Input Interface: The PCM1704U-J's digital input pins (Data, Clock, and Latch) must be carefully interfaced with the source of digital audio. Typically, this involves connecting the digital output from a digital audio processor or USB audio interface directly to the PCM1704U-J. Ensure that the clock signals are well-synchronized between the DAC and the digital audio source to prevent jitter, which can degrade audio quality.

2.Analog Output Stage: After DAC conversion, the analog signal is available at the PCM1704U-J's current output pins. A critical stage here is the I/V conversion (current to voltage), usually implemented with a high-quality operational amplifier (Op-Amp). For optimal performance, select an Op-Amp with low noise and high slew rate characteristics, such as the OPA627 or OPA2134, connecting it directly to the output pins of the PCM1704U-J. This step is crucial for maintaining signal integrity and ensuring high-quality audio reproduction.

3.Power Supply Considerations: The PCM1704U-J requires a clean and stable power supply for both its digital and analog sections to minimize noise. Use separate power supplies or meticulously designed filtering circuits to isolate the digital and analog power inputs of the DAC. This separation helps in reducing digital noise interference in the analog output.

4.Reference Voltage (REF) Pin Connection: The accuracy of the DAC conversion depends significantly on the stability of the reference voltage supplied to the REF pin. Use a precision voltage reference and connect it to the PCM1704U-J's REF pin to ensure the DAC operates within its optimal parameters.

5.Grounding and Layout: When designing the circuit, pay special attention to the grounding and layout. The DAC's ground plane should be separated into digital and analog sections and only connected at a single point to minimize noise and interference. Careful routing of traces and the use of shielding where necessary can further reduce the risk of signal degradation.

Design Considerations:

When designing a circuit around the PCM1704U-J, several key issues must be addressed to optimize performance:

- Jitter Reduction: As mentioned, ensure that the clock signals are stable and synchronized to minimize jitter.

- Thermal Management: Although the PCM1704U-J is not known for high thermal dissipation, it's important to consider airflow and heat sinking in compact designs.

- Signal Integrity: Use high-quality components and careful PCB layout to preserve signal integrity, especially in the analog stages.

- Power Supply Noise: Implement rigorous power supply filtering or use low-noise linear regulators to ensure the power supply does not introduce noise into the audio signal.

By addressing these considerations and following the detailed connection guidance, designers can leverage the PCM1704U-J to create audio playback systems that deliver unparalleled sound quality.

PCM1704U-J FAQ

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3. Are the PCM1704U-J price and inventory displayed accurate?

The price and inventory of PCM1704U-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.

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6. What is the process for return or replacement of PCM1704U-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 PCM1704U-J we delivered, we will accept the replacement or return of the PCM1704U-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 PCM1704U-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