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AD7840KPZ - Analog Devices

Description: AD7840KPZ, 14 bit-Bit DAC 400ksps, Parallel, Serial, 28-Pin PLCC

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AD7840KPZ - Analog Devices - PCB symbol
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PCB Footprints
AD7840KPZ - Analog Devices PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - P-28A
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AD7840KPZ - Analog Devices - 3D model - Plastic Leaded Chip Carrier - P-28A
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AD7840KPZ Details

  • Manufacturer Part Number:

    AD7840KPZ

  • 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-28

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Output Voltage-Max:

    3 V

  • Analog Output Voltage-Min:

    -3 V

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    2'S COMPLEMENT BINARY

  • Input Format:

    SERIAL, PARALLEL, WORD

  • 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 Bits:

    14

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.57 mm

  • Settling Time-Max:

    4 µs

  • Settling Time-Nom (tstl):

    2.5 µs

  • Supply Current-Max:

    14 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

  • Width:

    11.5062 mm

AD7840KPZ Frequently Asked Questions (FAQs)

  • A good layout and routing practice for the AD7840KPZ involves separating analog and digital signals, using a solid ground plane, and keeping the analog signal paths as short as possible. It's also recommended to use a low-ESR capacitor for the VREF pin and to decouple the power supplies with 10uF and 0.1uF capacitors.
  • The AD7840KPZ 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 calibration registers. It's also recommended to perform a system calibration to account for any system-level errors.
  • The maximum sampling rate of the AD7840KPZ is 200 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.
  • If the AD7840KPZ is not converting the analog input signal correctly, it's recommended to check the input signal range, the reference voltage, and the clock frequency. Also, ensure that the device is properly calibrated and that the analog input signal is not exceeding the maximum rating. If the issue persists, it may be necessary to consult the device's errata sheet or contact Analog Devices' support team.
  • Yes, the AD7840KPZ can be used in a multi-channel application. The device has a channel sequencer that allows it to sequence through multiple channels. The channel sequencer can be programmed to sequence through up to 16 channels. The device can also be used in a simultaneous sampling mode, where multiple channels are sampled simultaneously.

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AD7840KPZ 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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