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Name: PCM1803ADBR
Brand: Texas Instruments
SKU: PCM1803ADBR
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 PCM1803ADBR

Part No.:: PCM1803ADBR

Manufacturer:: Texas Instruments

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

Datasheet:: PCM1803ADBR.pdf

Description:: IC ADC/AUDIO 24BIT 96K 20SSOP

In Stock:: 3984

Quantity:: Add To Cart

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PCM1803ADBR Specifications

Package/Case:
20-SSOP (0.209, 5.30mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
ADC, Audio
NumberofChannels:
2
Resolution(Bits):
24 b
SamplingRate(PerSecond):
96k
DataInterface:
Serial
VoltageSupplySource:
Analog and Digital
Voltage-Supply:
2.7V ~ 3.6V, 4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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PCM1803ADBR information

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PCM1803ADBR Typical application Circuitry

PCM1803ADBR

The PCM1803ADBR is a high-performance, low-power, stereo audio analog-to-digital converter (ADC) chip. It is primarily used in applications requiring high-quality sound capture, such as in digital audio recording equipment, home theater systems, and professional audio systems.

Characteristic Features:

- The PCM1803ADBR offers 24-bit resolution, providing high-precision audio signal conversion.

- It features a high dynamic range, ensuring that both soft and loud audio signals are captured with clarity.

- The chip supports a wide range of sampling rates, making it versatile for various audio recording and processing needs.

Application Scenario & Detailed Circuit Integration:

Consider integrating the PCM1803ADBR into a digital audio recorder, where it's essential to convert analog microphone signals into digital format for processing and storage.

1. Power Supply Connection:

- Connect a stable +5V power supply to the VCC pin (e.g., PIN 14) of the PCM1803ADBR. It's crucial to ensure that the power supply is clean and stable to avoid introducing noise into the audio signal during conversion.

2. Analog Input Configuration:

- Connect the left and right analog audio inputs to the respective VINL and VINR pins (e.g., PINs 3 and 5) of the PCM1803ADBR. Use shielded cables and ensure proper grounding to minimize noise pickup in the signal path.

3. System Clock Connection:

- Provide a precise system clock to the SCK pin (e.g., PIN 11) of the PCM1803ADBR. The stability and accuracy of this clock are vital for ensuring the correct timing of the digital output.

4. Digital Audio Output Interface:

- Connect the digital audio output pins, DOUT (e.g., PIN 9), to the input of the subsequent digital signal processor or storage unit. Ensure that the digital interface is capable of handling the PCM1803ADBR's output data rate.

5. Format Selection Pins:

- Configure the format of the digital audio output by setting the FMT0 and FMT1 pins (e.g., PINs 6 and 7) of the PCM1803ADBR according to the desired audio data format (e.g., I2S, left-justified).

6. Decoupling Capacitors for Power Stability:

- Place decoupling capacitors near the VCC pin of the PCM1803ADBR to stabilize the power supply and filter out any high-frequency noise, ensuring a clean operating environment for the ADC.

Design Considerations:

When designing a circuit with the PCM1803ADBR, it's essential to focus on the following aspects:

1. Signal Path Integrity: The path from the analog source to the PCM1803ADBR should be designed to minimize noise and interference. This involves using shielded cables, proper grounding, and maintaining a clean layout to preserve the quality of the analog signal.

2. Clean Power Supply: The performance of the PCM1803ADBR can be affected by power supply noise. Employing stable power sources and decoupling techniques is crucial for maintaining the fidelity of the audio conversion.

3. Clock Signal Quality: The precision of the audio conversion is dependent on the quality of the system clock. Utilize stable, low-jitter clock sources and consider isolation techniques to ensure the clock signal remains clean and stable.

4. Thermal Management: While the PCM1803ADBR is a low-power device, ensuring proper ventilation and heat dissipation in the overall design can prevent performance issues in prolonged or high-intensity operation scenarios.

Incorporating these considerations, the PCM1803ADBR can be effectively employed in digital audio recording applications, ensuring high-fidelity capture of audio signals and reliable conversion from analog to digital format.

PCM1803ADBR FAQ

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6. What is the process for return or replacement of PCM1803ADBR?

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 PCM1803ADBR we delivered, we will accept the replacement or return of the PCM1803ADBR 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 PCM1803ADBR.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations