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ADS8422IBPFBTG4 - Texas Instruments

Description: Analog to Digital Converters - ADC 16 Bit MSPS Parallel ADC w/Ref

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ADS8422IBPFBTG4 - Texas Instruments - PCB symbol
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ADS8422IBPFBTG4 - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PFB (S-PQFP-G48
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ADS8422IBPFBTG4 - Texas Instruments - 3D model - Quad Flat Packages - PFB (S-PQFP-G48
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ADS8422IBPFBTG4 Details

  • Manufacturer Part Number:

    ADS8422IBPFBTG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFP

  • Package Description:

    TQFP-48

  • Pin Count:

    48

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    3A991.c.4

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog Input Voltage-Max:

    4.096 V

  • Analog Input Voltage-Min:

    -4.096 V

  • Conversion Time-Max:

    0.18 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.0031%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    1

  • Number of Bits:

    16

  • 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:

    PARALLEL, 8 BITS, PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TFQFP

  • Package Equivalence Code:

    QFP48,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    4 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    27 mA

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • 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):

    NOT SPECIFIED

  • Width:

    7 mm

ADS8422IBPFBTG4 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a layout guide and PCB design checklist in the ADS8422 datasheet and application notes. It's essential to follow these guidelines to minimize noise and ensure optimal performance. Key considerations include keeping analog and digital signals separate, using a solid ground plane, and minimizing trace lengths and loops.
  • The ADS8422IBPFBTG4 has an internal calibration mechanism, but it's recommended to perform an external calibration to achieve the highest accuracy. This involves applying a known input voltage and adjusting the offset and gain registers to match the expected output code. Texas Instruments provides a calibration procedure in the datasheet and application notes.
  • The maximum sampling rate of the ADS8422IBPFBTG4 is 1 MSPS, but it can be adjusted to lower rates to reduce power consumption. The power consumption increases with the sampling rate, so it's essential to balance the sampling rate with power consumption requirements. Texas Instruments provides power consumption vs. sampling rate curves in the datasheet.
  • The ADS8422IBPFBTG4 has built-in overvoltage and undervoltage protection, but it's still essential to add external protection circuitry to prevent damage from excessive voltage levels. Texas Instruments recommends using voltage clamping diodes and resistors to limit the input voltage to within the specified range.
  • Texas Instruments recommends using a low-ESR capacitor (e.g., 10uF) and a ferrite bead or inductor in series with the power supply to filter out high-frequency noise. Additionally, a 100nF capacitor should be placed close to the device's power pins to decouple the power supply.

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ADS8422IBPFBTG4 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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ADS8422IBPFBTG4 Alternates

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Part Image ADS8422IBPFBT Texas Instruments

ADC, Successive Approximation, 16-Bit, 1 Func, 1 Channel, Parallel, 8 Bits, Parallel, Word Access, Bipolar, PQFP48
Part Image ADS8422IBPFBRG4 Texas Instruments

ADC, Successive Approximation, 16-Bit, 1 Func, 1 Channel, Parallel, 8 Bits, Parallel, Word Access, Bipolar, PQFP48