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PCM4220PFB - Texas Instruments

Description: Texas Instruments PCM4220PFB, 24 bit Serial ADC, Dual Differential Input, 48-Pin TQFP

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PCM4220PFB - Texas Instruments - PCB symbol
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PCB Footprints
PCM4220PFB - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PFB (S-PQFP-G48)
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3D Models
PCM4220PFB - Texas Instruments - 3D model - Quad Flat Packages - PFB (S-PQFP-G48)
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PCM4220PFB Details

  • Manufacturer Part Number:

    PCM4220PFB

  • 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:

    8542.39.00.30

  • 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

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    75 mA

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • 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

PCM4220PFB Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VDDA, and then the clock signal. This ensures proper initialization of the device.
  • The analog input filter should be designed to reject noise and aliasing. A 3rd-order Butterworth filter with a cutoff frequency of 10 kHz to 20 kHz is recommended. The filter should also provide a gain of 0 dB to 6 dB to optimize the signal-to-noise ratio.
  • The maximum clock frequency is 128 fs (fs = sampling frequency). However, it's recommended to use a clock frequency of 64 fs or lower to ensure proper operation and to minimize jitter sensitivity.
  • The PCM4220PFB outputs 24-bit data in a 2's complement format. The data should be processed in a 24-bit or 32-bit processor or DSP to maintain the full dynamic range. The data can be processed in a signed integer format or converted to a floating-point format for further processing.
  • The PCB layout should ensure that the analog and digital signals are separated and shielded from each other. The analog input traces should be short and direct, and the digital output traces should be routed away from the analog inputs. A solid ground plane and decoupling capacitors are also recommended.

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PCM4220PFB Overview

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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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PCM4220PFB Alternates

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Part Image PCM4220PFBR Texas Instruments

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