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Name: PCM1803ADBRG4
Brand: Texas Instruments
SKU: PCM1803ADBRG4
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 PCM1803ADBRG4

Part No.:: PCM1803ADBRG4

Manufacturer:: Texas Instruments

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

Datasheet:: PCM1803ADBRG4.pdf

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

In Stock:: 2042

Quantity:: Add To Cart

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PCM1803ADBRG4 Specifications

Package/Case:
20-SSOP (0.209, 5.30mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Discontinued at Mosen
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

PCM1803ADBRG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCM1803ADBRG4 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 PCM1803ADBRG4 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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PCM1803ADBRG4 information

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PCM1803ADBRG4 Typical application Circuitry

PCM1803ADBRG4

The PCM1803ADBRG4 is a high-performance, single-chip stereo analog-to-digital converter (ADC) with differential inputs. It's designed primarily for digital audio applications, featuring excellent dynamic performance and a high tolerance to clock jitter. Its typical applications include digital audio recording equipment, A/V receivers, and automotive audio systems. Let's dive deeper into its features, application scenarios, and considerations when designing a circuit.

Features of PCM1803ADBRG4

1. Resolution and Sampling Rate: The PCM1803ADBRG4 boasts a 24-bit resolution and supports sampling rates up to 96 kHz, providing high-fidelity audio signal conversion.

2. Dynamic Range and Signal-to-Noise Ratio (SNR): It offers an excellent dynamic range and a high SNR, ensuring minimal noise in audio signals.

3. System Interface: The chip supports I²S, left-justified, and right-justified data formats, making it highly flexible for various system interfaces.

4. Power Supply: It operates with a single 5V power supply, simplifying power design considerations.

Application Scenario: Digital Audio Recorder

In the context of a digital audio recorder, the PCM1803ADBRG4 can serve as the primary ADC, converting analog microphone inputs into digital data for storage or processing. The following details a specific circuit connection for this application:

Circuit Connection Details

1. Power Supply (VCC - Pin 14):

- Powering the Chip: Connect a clean 5V power supply to VCC (Pin 14) to power the PCM1803ADBRG4. Ensure that the power supply is well-regulated and filtered to minimize noise.

2. Analog Input (AINL, AINR - Pins 5 and 6):

- Connecting Microphone Inputs: Connect the left and right channels of a stereo microphone to AINL (Pin 5) and AINR (Pin 6), respectively. Use capacitive coupling to block any DC offsets from the microphone.

3. System Clock (SCK - Pin 7, BCK - Pin 12, LRCK - Pin 13): Clock Configuration: Connect a stable master clock to SCK (Pin 7). Configure BCK (Pin 12) and LRCK (Pin 13) according to the desired audio format (I²S, left-justified, right-justified) and sampling rate.

4. Digital Output (DOUT - Pin 11):

- Data Transmission: Connect DOUT (Pin 11) to the digital input of the audio processor or storage device. This pin outputs the converted digital audio data in the selected format.

5. Format Selection (FMT0, FMT1 - Pins 1 and 2):

- Setting Audio Format: Use FMT0 (Pin 1) and FMT1 (Pin 2) to select the desired output data format (I²S, left-justified, or right-justified).

6. Reset and Control (RST - Pin 4, CSN - Pin 15): Operational Control: Connect RST (Pin 4) to a reset circuit or microcontroller to enable hardware resetting of the PCM1803ADBRG4. Tie CSN (Pin 15) to ground to select the PCM1803ADBRG4 for SPI control, if applicable.

Design Considerations

When designing a circuit with the PCM1803ADBRG4, consider the following:

1. Power Supply Noise: Ensure the power supply is free of noise and ripple to prevent it from affecting the ADC's performance.

2. PCB Layout: Minimize the length of the analog signal paths to reduce susceptibility to electromagnetic interference (EMI). Keep digital and analog sections separate.

3. Clock Jitter: Use a stable and low-jitter clock source to ensure high-quality audio sampling.

4. Thermal Management: Ensure proper thermal management, as ADC performance can degrade with temperature.

By considering these aspects and understanding the PCM1803ADBRG4's functionalities and pin configurations, one can design an efficient and high-performing digital audio recording system. The PCM1803ADBRG4, with its high resolution and sampling rate, is an excellent choice for capturing high-fidelity audio signals in digital audio recorders and similar applications.

PCM1803ADBRG4 FAQ

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6. What is the process for return or replacement of PCM1803ADBRG4?

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(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 PCM1803ADBRG4.

(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