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PCM1804DB - Texas Instruments

Description: PCM1804DB, Audio ADC Dual 24bit-, 192ksps, 28-Pin SSOP

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PCM1804DB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DB0028A
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PCM1804DB - Texas Instruments  - 3D model - Small Outline Packages - DB0028A
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PCM1804DB Details

  • Manufacturer Part Number:

    PCM1804DB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    28

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    2.5 V

  • Analog Input Voltage-Min:

    -2.5 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    10.2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    2

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -10 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP28,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.192 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    2 mm

  • Supply Current-Max:

    45 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    5.3 mm

PCM1804DB Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to apply VCC first, followed by AVCC, and then DVCC. This ensures that the internal voltage regulators are powered up correctly.
  • To optimize the analog input stage, use a low-pass filter with a cutoff frequency below 20 kHz to remove high-frequency noise, and ensure the input signal is within the recommended common-mode voltage range of 0.5V to 2.5V.
  • The maximum clock frequency for the PCM1804DB is 256 fs (where fs is the sampling frequency). For example, at a sampling frequency of 44.1 kHz, the maximum clock frequency is 11.2896 MHz.
  • The PCM1804DB outputs data in a 24-bit, MSB-first, two's complement format. Ensure that your receiving device is configured to accept this format, and that you are handling the data correctly to avoid errors.
  • To minimize noise and ensure optimal performance, keep analog and digital traces separate, use a solid ground plane, and place decoupling capacitors close to the device. Avoid routing digital traces near the analog input pins.

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PCM1804DB 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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