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ADS8422IPFBT - Texas Instruments

Description: 16 Bit 4MSPS Parallel ADC W/Ref, Pseudo Bipolar, Fully Differential Input

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ADS8422IPFBT - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PFB (S-PQFP-G48) PLASTIC QUAD FLATPACK
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ADS8422IPFBT - Texas Instruments  - 3D model - Quad Flat Packages - PFB (S-PQFP-G48) PLASTIC QUAD FLATPACK
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ADS8422IPFBT Details

  • Manufacturer Part Number:

    ADS8422IPFBT

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFP

  • Package Description:

    9 X 9 MM, GREEN, PLASTIC, TQFP-48

  • Pin Count:

    48

  • ECCN Code:

    3A991.C.4

  • HTS Code:

    8542.39.00.01

  • 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):

    0.0092%

  • 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:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, 8 BITS, PARALLEL, WORD

  • 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:

    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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

ADS8422IPFBT Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep analog and digital signals separate. Use short, direct traces for analog signals, and avoid crossing digital signals over analog signals. Also, decouple the power supply with a 10uF capacitor and a 100nF capacitor in parallel.
  • Optimize the ADC's performance by selecting the correct gain setting, adjusting the sampling rate, and using the internal reference voltage or an external reference voltage. Also, consider using the ADC's built-in calibration feature to improve accuracy.
  • The ADS8422IPFBT can handle input voltages up to 5.5V without damaging the device. However, the recommended input voltage range is -0.1V to VREF (typically 4.096V) to ensure accurate conversions.
  • The ADS8422IPFBT has a parallel interface that can be easily interfaced with a microcontroller or FPGA. Use a 16-bit data bus to read the conversion results, and use the chip select (CS) and clock (CLK) signals to control the data transfer.
  • The ADS8422IPFBT has a typical power consumption of 15mW at 2.7V and 1Msps. To reduce power consumption, consider using the ADC's power-down mode, reducing the sampling rate, or using a lower supply voltage.

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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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