What is the Additional Feature ?

Name: PCM2903CDBR
Brand: Texas Instruments
SKU: PCM2903CDBR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

Cart ( )

lmages are for reference only See Product Specifications

Texas Instruments PCM2903CDBR

Part No.:: PCM2903CDBR

Manufacturer:: Texas Instruments

Package:: 28-SSOP (0.209, 5.30mm Width)

Datasheet:: PCM2903CDBR.pdf

Description:: IC STERO AUD CODEC W/USB 28SSOP

In Stock:: 2211

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

PCM2903CDBR Specifications

Package/Case:
28-SSOP (0.209, 5.30mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
Type:
Stereo Audio
DataInterface:
USB
Resolution(Bits):
16 b
NumberofADCs/DACs:
2 / 2
SigmaDelta:
Yes
S/NRatioADCs/DACs(db)Typ:
89 / 96
DynamicRangeADCs/DACs(db)Typ:
89 / 93
Voltage-SupplyAnalog:
3V ~ 3.6V
Voltage-SupplyDigital:
3V ~ 3.6V
OperatingTemperature:
-25°C ~ 85°C
MountingType:
Surface Mount

PCM2903CDBR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCM2903CDBR 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 PCM2903CDBR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

PCM2903CDBR information

Views：

PCM2903CDBR Typical application Circuitry

PCM2903CDBR

The PCM2903CDBR is a fully integrated USB audio codec chip that offers a comprehensive solution for converting analog audio signals to digital form and vice versa, primarily through a USB interface. This chip is particularly designed for applications requiring audio input and output functionalities via USB, making it ideal for USB headsets, audio interface devices for musicians, USB audio streaming devices, and even for advanced VOIP devices.

Application Scenario: USB Audio Interface for Home Recording Studios

Implementing the PCM2903CDBR in a USB audio interface device for home recording studios showcases its capabilities in facilitating high-quality audio recording and playback through a computer.

Analog Audio Inputs

- Connecting Microphones and Instruments: Connect the analog outputs from microphones or instruments to the analog input pins (AINL, AINR) of the PCM2903CDBR. Use capacitors for DC blocking and impedance matching as necessary to ensure proper signal integrity. Grounding and shielded cables are essential to minimize noise pickup.

USB Power and Data Transfer

- Powering from USB and Establishing Data Communication: The PCM2903CDBR is powered directly from the USB connection through the VBUS pin, with decoupling capacitors recommended to filter out noise from the power supply. The D+ and D- pins are connected to the corresponding USB lines, with a 1.5kΩ pull-up resistor on the D+ line to identify the device as a Full-Speed USB device. Careful routing of USB data lines and impedance control is critical for reliable data transfer.

Digital Audio Output and S/PDIF

- Digital Audio Playback and S/PDIF Output: The DAC outputs (VOUTL, VOUTR) can be connected to an external amplifier or monitoring headphones with appropriate filtering components to convert the digital audio back to analog. The PCM2903CDBR also offers an S/PDIF digital output for direct digital audio connections to compatible receivers or recorders, enhancing versatility.

Design Considerations with PCM2903CDBR

Designing with the PCM2903CDBR involves several crucial considerations:

- Maintaining Analog Signal Integrity: Analog audio paths should be kept as short as possible, with careful layout to separate them from digital paths and power lines to avoid noise and interference.

- USB Compliance and EMC Considerations: The USB connection should be designed to meet USB 1.1 specifications for impedance and should incorporate measures for electromagnetic compatibility, including filtering and potential shielding of the device enclosure.

- Power Supply Noise Reduction: Implementing a clean power supply with effective decoupling is essential for reducing noise in both the ADC and DAC circuits, thus ensuring high-quality audio reproduction.

- PCB Layout and Grounding Strategies: A well-thought-out PCB layout that minimizes loop areas, uses separate ground planes for analog and digital sections, and ensures solid ground connections can significantly impact the overall performance and audio quality.

- Component Selection for the Analog Path: The choice of passive components (resistors, capacitors) in the analog signal path plays a significant role in the final audio quality, requiring careful selection to match the desired specifications and performance.

Integrating the PCM2903CDBR into a USB audio interface device, with attention to analog and digital signal integrity, USB compliance, power supply design, and careful PCB layout, enables the creation of a compact, versatile solution for high-quality audio recording and playback. This makes the PCM2903CDBR a highly valuable component in the design of consumer and professional audio equipment that leverages the universal availability and convenience of USB connectivity.

PCM2903CDBR FAQ

1. How to order PCM2903CDBR on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that PCM2903CDBR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PCM2903CDBR. All suppliers must pass our qualification reviews before they can publish their products including PCM2903CDBR on icwhale.com; we pay more attention to the channels and quality of PCM2903CDBR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the PCM2903CDBR price and inventory displayed accurate?

The price and inventory of PCM2903CDBR 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?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

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 PCM2903CDBR?

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 PCM2903CDBR we delivered, we will accept the replacement or return of the PCM2903CDBR 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 PCM2903CDBR.

(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