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PCM1821IRTER - Texas Instruments

Description: Analog to Digital Converters - ADC Stereo-channel, 32-bit, 192-kHz, audio analog-to-digital converter (ADC) with 106-dB SNR

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PCM1821IRTER - Texas Instruments - PCB symbol
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PCB Footprints
PCM1821IRTER - Texas Instruments PCB footprint - Other - Other - PCM1821IRTER-2
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3D Models
PCM1821IRTER - Texas Instruments - 3D model - Other - PCM1821IRTER-2
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PCM1821IRTER Details

  • Manufacturer Part Number:

    PCM1821IRTER

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    HVQCCN-20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    3.6 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    2

  • Number of Bits:

    32

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Sample Rate:

    0.192 MHz

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3 mm

PCM1821IRTER Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital power supplies (DVCC and OSCVCC). This ensures that the analog and digital circuits are properly initialized.
  • To optimize the PCB layout, keep the analog and digital power supplies separate, use a solid ground plane, and minimize the length of the analog signal traces. Also, place the analog and digital components on opposite sides of the board to reduce noise coupling.
  • The maximum clock frequency that can be used with the PCM1821 is 256 fs (fs = sample frequency). However, the actual clock frequency may be limited by the specific application and the quality of the clock source.
  • To configure the PCM1821 for master mode operation, set the M/S pin high, and connect the BCK pin to the clock source. The PCM1821 will then generate the clock signals for the DAC and ADC.
  • The recommended termination for the digital output pins is a 10-ohm to 20-ohm series resistor, followed by a 50-ohm to 75-ohm parallel termination resistor. This helps to reduce signal reflections and improve signal integrity.

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PCM1821IRTER Overview

Use the download button to access the PCM1821IRTER schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like PCM18, or try a keyword search, such as Analog to Digital Converters

About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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