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AD7871KPZ - Analog Devices

Description: Analog Devices AD7871KPZ, 14 bit Serial ADC,, 28-Pin PLCC

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AD7871KPZ - Analog Devices - PCB symbol
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PCB Footprints
AD7871KPZ - Analog Devices PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - P-28
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AD7871KPZ - Analog Devices - 3D model - Plastic Leaded Chip Carrier - P-28
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AD7871KPZ Details

  • Manufacturer Part Number:

    AD7871KPZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QLCC

  • Package Description:

    PLASTIC, LCC-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    P-28A

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    3 V

  • Analog Input Voltage-Min:

    -3 V

  • Conversion Time-Max:

    10.5 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PQCC-J28

  • JESD-609 Code:

    e3

  • Length:

    11.5062 mm

  • Linearity Error-Max (EL):

    0.0061%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -5 V

  • Number of Analog In Channels:

    1

  • Number of Bits:

    14

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    70 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    SERIAL, PARALLEL, 8 BITS, PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Equivalence Code:

    LDCC28,.5SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.083 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    4.51 mm

  • Supply Current-Max:

    13 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

  • Width:

    11.5062 mm

AD7871KPZ Frequently Asked Questions (FAQs)

  • The AD7871KPZ is a high-precision ADC, and its performance can be affected by the PCB layout and component placement. It is recommended to follow a star-grounding scheme, keep the analog and digital grounds separate, and place the ADC close to the analog signal sources. Additionally, decoupling capacitors should be placed close to the ADC's power pins.
  • The AD7871KPZ has an internal calibration mechanism that can be initiated by setting the CAL bit in the control register. The calibration process involves a self-calibration sequence that adjusts the ADC's offset and gain errors. The calibration process can be initiated at power-up or during normal operation.
  • The maximum sampling rate of the AD7871KPZ is 125 kSPS. However, the actual sampling rate may be limited by the system's clock frequency, the ADC's conversion time, and the interface mode (e.g., SPI or I2C).
  • Yes, the AD7871KPZ can be used with an external reference voltage. The ADC has a dedicated reference input pin (REFIN) that can be connected to an external reference voltage source. The external reference voltage should be within the specified range (2.5 V to 5.5 V) and should be stable and noise-free.
  • The AD7871KPZ has a power-on reset (POR) and brown-out reset (BOR) circuitry that resets the ADC's internal registers and logic during power-up or when the supply voltage drops below a certain threshold. To handle POR and BOR, the system should ensure a stable power supply, and the ADC's reset pin (RESET) should be connected to a suitable reset circuitry or a microcontroller's reset output.

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AD7871KPZ 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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