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AD7771BCPZ - Analog Devices

Description: 8-Channel, 24-Bit, 128 kSPS Simultaneous Sampling ADC

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AD7771BCPZ - Analog Devices - PCB symbol
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PCB Footprints
AD7771BCPZ - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - LFCSP:LEADFRM CHIP SCALE _2023
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3D Models
AD7771BCPZ - Analog Devices - 3D model - Quad Flat No-Lead - LFCSP:LEADFRM CHIP SCALE _2023
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AD7771BCPZ Details

  • Manufacturer Part Number:

    AD7771BCPZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LFCSP-64

  • Pin Count:

    64

  • Manufacturer Package Code:

    CP-64-15

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2017-09-25

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog Input Voltage-Max:

    1.65 V

  • Analog Input Voltage-Min:

    -1 V

  • Conversion Time-Max:

    3.4 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-XQCC-N64

  • Length:

    9 mm

  • Linearity Error-Max (EL):

    0.0015%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -1.65 V

  • Number of Analog In Channels:

    8

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    64

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC64,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    26.7 mA

  • Supply Voltage-Nom:

    1.65 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    9 mm

AD7771BCPZ Frequently Asked Questions (FAQs)

  • The AD7771BCPZ requires careful layout and placement to minimize noise and ensure optimal performance. It is recommended to follow the layout guidelines provided in the datasheet, including keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the analog signal sources.
  • To optimize the AD7771BCPZ for low noise performance, ensure that the device is operated within its recommended operating conditions, use a low-noise power supply, and minimize digital noise coupling into the analog circuitry. Additionally, use shielding and filtering to reduce electromagnetic interference (EMI) and radio-frequency interference (RFI).
  • The AD7771BCPZ requires calibration to ensure accurate conversions. The recommended calibration procedure involves applying a known input voltage, measuring the output code, and adjusting the offset and gain registers accordingly. The datasheet provides a detailed calibration procedure, and it is recommended to follow it carefully to ensure optimal performance.
  • The AD7771BCPZ has built-in overvoltage and undervoltage protection, but it is still important to handle these conditions carefully. Use external voltage limiting circuits or voltage regulators to prevent overvoltage conditions, and ensure that the device is operated within its recommended voltage range. For undervoltage conditions, use a voltage supervisor or reset circuit to reset the device and prevent incorrect operation.
  • The AD7771BCPZ uses a serial interface protocol, and the recommended interface protocol is a 3-wire SPI-compatible interface. The datasheet provides detailed information on the interface protocol, including the timing diagrams and protocol requirements.

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AD7771BCPZ 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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