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AD7689BCPZ - Analog Devices

Description: 16-Bit, 8-Channel, 250 kSPS PulSAR ADC

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AD7689BCPZ - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - AD7689BCPZ
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AD7689BCPZ Details

  • Manufacturer Part Number:

    AD7689BCPZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    LFCSP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    CP-20-10

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    2.9 V

  • Analog Input Voltage-Min:

    0.25 V

  • Conversion Time-Max:

    2.2 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-XQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Linearity Error-Max (EL):

    0.0023%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    8

  • Number of Bits:

    16

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.25 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    40

  • Width:

    4 mm

AD7689BCPZ Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VREF, and then the analog input signal. This ensures proper operation and prevents damage to the device.
  • To optimize performance in noisy environments, use a low-pass filter at the analog input, ensure good power supply decoupling, and consider using a shielded enclosure to reduce electromagnetic interference (EMI).
  • The maximum sampling rate of the AD7689 is 250 kSPS. However, the actual achievable sampling rate may be limited by the system's analog input bandwidth, filter settling time, and other factors.
  • Yes, the AD7689 can be used with an external reference voltage. The external reference voltage should be connected to the VREF pin, and the internal reference should be disabled by connecting the REFEN pin to GND.
  • The AD7689 outputs 16-bit data in a serial format. The data should be clocked out of the device using the SCK pin, and the output data should be latched into a register or microcontroller on the falling edge of the SCK signal.

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AD7689BCPZ 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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