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AD7643BCPZ - Analog Devices

Description: 18-Bit, 1.25 MSPS PulSAR® A/D Converter

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AD7643BCPZ - Analog Devices - PCB symbol
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PCB Footprints
AD7643BCPZ - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - CP-48-4
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3D Models
AD7643BCPZ - Analog Devices - 3D model - Quad Flat No-Lead - CP-48-4
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AD7643BCPZ Details

  • Manufacturer Part Number:

    AD7643BCPZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    7 X 7 MM, LEAD FREE, MO-220VKKD-2, LFCSP-48

  • Pin Count:

    48

  • Manufacturer Package Code:

    CP-48-4

  • Country Of Origin:

    South Korea

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    2.5 V

  • Analog Input Voltage-Min:

    -2.5 V

  • Conversion Time-Max:

    0.55 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-XQCC-N48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.0011%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    1

  • Number of Bits:

    18

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2'S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC48,.27SQ,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:

    1.25 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Nom:

    2.5 V

  • Surface Mount:

    YES

  • 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):

    30

  • Width:

    7 mm

AD7643BCPZ Frequently Asked Questions (FAQs)

  • The recommended layout and routing for the AD7643BCPZ involves keeping the analog and digital sections separate, using a solid ground plane, and minimizing noise coupling between the analog and digital signals. A 4-layer PCB with a dedicated analog ground plane is recommended. Additionally, the analog and digital power supplies should be decoupled with 10uF and 100nF capacitors, respectively.
  • To optimize the performance of the AD7643BCPZ, it is recommended to use a low-noise analog power supply, minimize the distance between the ADC and the analog signal source, and use a low-pass filter to remove high-frequency noise. Additionally, the analog input should be driven with a low-impedance source, and the reference voltage should be decoupled with a 10uF capacitor.
  • The maximum sampling rate of the AD7643BCPZ is 250 kSPS, but this can be limited by the system's clock frequency, the analog input bandwidth, and the digital interface speed. The actual sampling rate may be lower depending on the specific application and system design.
  • The AD7643BCPZ can be interfaced with a microcontroller or FPGA using a serial interface such as SPI or I2C. The ADC provides a 16-bit or 24-bit data output, and the interface timing and protocol should be carefully considered to ensure reliable data transfer. The AD7643BCPZ also provides a BUSY signal to indicate when the conversion is in progress.
  • The power consumption of the AD7643BCPZ is typically around 15 mW at 250 kSPS, but this can be minimized by reducing the sampling rate, using the power-down mode, and optimizing the system's power supply. Additionally, the ADC's internal reference voltage can be disabled when not in use to reduce power consumption.

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AD7643BCPZ 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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Part Image AD7643BCPZRL Analog Devices Inc

ADC, Successive Approximation, 18-Bit, 1 Func, 1 Channel, Parallel, Word Access