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PCM4222PFB - Texas Instruments

Description: 124dB SNR Stereo Audio ADC with PCM/DSD and modulator outputs

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PCM4222PFB - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PFB S-PQFP-G48
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PCM4222PFB - Texas Instruments  - 3D model - Quad Flat Packages - PFB S-PQFP-G48
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PCM4222PFB Details

  • Manufacturer Part Number:

    PCM4222PFB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Package Description:

    TFQFP-48

  • Pin Count:

    48

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    5.6 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    2

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TFQFP

  • Package Equivalence Code:

    TQFP48,.35SQ

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.216 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    75 mA

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

PCM4222PFB Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VCC, and then the analog power supplies (AVDD and DVDD). This ensures that the internal voltage regulators are powered up correctly.
  • To optimize the analog input impedance, use a series resistor (Rs) and a shunt capacitor (Cs) to match the impedance of the analog input signal to the PCM4222PFB's input impedance. The recommended values are Rs = 220 ohms and Cs = 10 nF.
  • The PCM4222PFB supports clock frequencies up to 128 kHz, but the maximum frequency depends on the specific application and the quality of the clock signal. It's recommended to use a clock frequency of 64 kHz or lower for most applications.
  • The PCM4222PFB outputs data in a 24-bit, MSB-first, two's complement format. The digital output data can be configured to be either I2S or DSP format, depending on the application requirements.
  • To minimize noise and ensure proper operation, it's recommended to follow a star-grounding layout, keep analog and digital signals separate, and use a solid ground plane. Additionally, use short, direct traces for the analog input signals and avoid crossing digital signals over analog signals.

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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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Part Image PCM4222PFBR Texas Instruments

ADC, Delta-Sigma, 24-Bit, 1 Func, 2 Channel, Serial Access, CMOS, PQFP48