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AD7939BSUZ - Analog Devices

Description: AD7939BSUZ, 10 bit ADC Differential,, Parallel, 32-Pin TQFP

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AD7939BSUZ - Analog Devices - PCB symbol
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AD7939BSUZ - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - SU-32-2 (TQFP)
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AD7939BSUZ - Analog Devices - 3D model - Quad Flat Packages - SU-32-2 (TQFP)
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AD7939BSUZ Details

  • Manufacturer Part Number:

    AD7939BSUZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Package Description:

    TQFP-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    SU-32-2

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    5 V

  • Conversion Time-Max:

    0.675 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PQFP-G32

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.0488%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    8

  • Number of Bits:

    10

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TQFP

  • Package Equivalence Code:

    TQFP32,.35SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    1.5 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    2.7 mA

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

AD7939BSUZ Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital signals separate, use a solid ground plane, and keep the sensitive analog signals away from the digital signals. Additionally, use short and direct connections to the analog input pins and decouple the power supply pins with capacitors.
  • The AD7939BSUZ 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 device can then be calibrated by adjusting the internal offset and gain registers. It is recommended to perform calibration at power-up and after any changes to the operating conditions.
  • The maximum sampling rate of the AD7939BSUZ is 250 kSPS. However, the actual sampling rate may be limited by the system's clock frequency, the conversion time, and the settling time of the analog input signal.
  • The AD7939BSUZ has internal overvoltage protection on the analog input pins, which can withstand voltages up to ±16.5 V. However, it is still recommended to use external protection circuitry, such as voltage-limiting resistors or clamping diodes, to prevent damage to the device in case of overvoltage conditions.
  • The power consumption of the AD7939BSUZ depends on the operating mode and the clock frequency. In normal operation, the device consumes around 15 mW. To reduce power consumption, the device can be put into sleep mode, which reduces the power consumption to around 1 μW. Additionally, the clock frequency can be reduced to minimize power consumption.

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AD7939BSUZ Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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AD7939BSUZ Alternates

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Part Image AD7939BSU Analog Devices Inc

ADC, Successive Approximation, 10-Bit, 1 Func, 8 Channel, Parallel, Word Access, Bipolar, PQFP32