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ADS7890IPFBT - Texas Instruments

Description: 14-Bit, 1.25MSPS, 1-Ch SAR ADC with Serial Interface and Internal Voltage Reference

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ADS7890IPFBT - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PFB (S-PQFP-G48
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ADS7890IPFBT - Texas Instruments  - 3D model - Quad Flat Packages - PFB (S-PQFP-G48
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ADS7890IPFBT Details

  • Manufacturer Part Number:

    ADS7890IPFBT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    QFP

  • Pin Count:

    48

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • Analog Input Voltage-Max:

    2.6 V

  • Analog Input Voltage-Min:

    4.75 V

  • Conversion Time-Max:

    0.365 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:

    14

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    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:

    1.25 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    12 mA

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    5 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

ADS7890IPFBT Frequently Asked Questions (FAQs)

  • Texas Instruments provides a layout and routing guide in the application note SLAA384, which recommends keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the analog input traces.
  • The clock signal should be routed as a differential pair, and the trace length should be matched to minimize skew. Additionally, the clock signal should be terminated with a 50-ohm resistor to match the impedance of the PCB trace.
  • The recommended power-up sequence is to power up the analog supply (AVDD) first, followed by the digital supply (DVDD), and then the clock signal. This ensures that the analog circuitry is powered up before the digital circuitry.
  • The ADS7890IPFBT has an internal calibration circuit that can be used to calibrate the device. The calibration process involves applying a known input voltage and then reading the output code. The calibration data can then be used to correct for any offset or gain errors.
  • The maximum sampling rate of the ADS7890IPFBT is 1 MSPS. However, the power consumption increases with the sampling rate, so it's recommended to use the lowest sampling rate necessary for the application to minimize power consumption.

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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 ADS7890IPFBR Texas Instruments

ADC, Successive Approximation, 14-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PQFP48