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AD7871KNZ - Analog Devices

Description: Analog to Digital Converters - ADC CMOS Complete 14-Bit Sampling

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AD7871KNZ - Analog Devices PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - P-28A(PLCC)_1
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AD7871KNZ - Analog Devices - 3D model - Plastic Leaded Chip Carrier - P-28A(PLCC)_1
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AD7871KNZ Details

  • Manufacturer Part Number:

    AD7871KNZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    N-28-2

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • 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:

    R-PDIP-T28

  • JESD-609 Code:

    e3

  • Length:

    36.7 mm

  • Linearity Error-Max (EL):

    0.0061%

  • 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:

    DIP

  • Package Equivalence Code:

    DIP28,.6

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.083 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    15.24 mm

AD7871KNZ Frequently Asked Questions (FAQs)

  • The AD7871KNZ 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 as close as possible to the ADC's power pins.
  • The AD7871KNZ 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. It is recommended to consult the datasheet for the specific calibration procedure.
  • The maximum sampling rate of the AD7871KNZ is 125 kSPS (kilosamples per second). 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). It is recommended to consult the datasheet for the specific sampling rate limitations.
  • The AD7871KNZ is specified to operate from a 2.7V to 5.5V power supply. However, the device's performance may be affected at higher supply voltages. It is recommended to operate the device at a supply voltage of 3.3V or lower to ensure optimal performance and minimize power consumption.
  • The AD7871KNZ outputs 12-bit digital data in a binary two's complement format. The data can be read through the SPI or I2C interface. It is recommended to consult the datasheet for the specific data format and interface protocol. Additionally, the digital data may require scaling and offset adjustments to match the application's requirements.

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AD7871KNZ 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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AD7871KNZ Alternates

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Image Part Number Model
Part Image AD7871JNZ Analog Devices Inc

ADC, Successive Approximation, 14-Bit, 1 Func, 1 Channel, Serial, Parallel, 8 Bits, Parallel, Word Access, CMOS, PDIP28
Part Image AD7871TQ Analog Devices Inc

ADC, Successive Approximation, 14-Bit, 1 Func, 1 Channel, Serial, Parallel, 8 Bits, Parallel, Word Access, CMOS, CDIP28
Part Image AD7871JN Analog Devices Inc

ADC, Successive Approximation, 14-Bit, 1 Func, 1 Channel, Serial, Parallel, 8 Bits, Parallel, Word Access, CMOS, PDIP28
Part Image AD7871KN Analog Devices Inc

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Part Image AD7871TQ/883B Analog Devices Inc

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For a full list of alternate parts for AD7871KNZ, check out Findchips.com