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ADF4157BRUZ - Analog Devices

Description: ADF4157BRUZ, PLL Clock Buffer 3, 16-Pin TSSOP

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ADF4157BRUZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RU-16 (TSSOP)--
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ADF4157BRUZ - Analog Devices - 3D model - Small Outline Packages - RU-16 (TSSOP)--
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ADF4157BRUZ Details

  • Manufacturer Part Number:

    ADF4157BRUZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, MO-153AB, TSSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    RU-16

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    PLL FREQUENCY SYNTHESIZER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    29 mA

  • Supply Voltage-Max (Vsup):

    3.3 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

ADF4157BRUZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADF4157BRUZ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the voltage regulator. Additionally, it's recommended to use a 4-layer PCB with a dedicated layer for the analog ground and another for the digital ground.
  • To optimize the loop filter design, it's essential to consider the phase detector frequency, the charge pump current, and the loop bandwidth. A good starting point is to use the recommended values in the datasheet and then adjust the R and C values based on the specific application requirements. It's also important to consider the parasitic capacitance and inductance in the layout.
  • The maximum frequency deviation that can be achieved with the ADF4157BRUZ is ±50 ppm. This deviation can affect the PLL performance by causing the loop to oscillate or lose lock. To mitigate this, it's essential to ensure that the frequency deviation is within the specified range and to adjust the loop filter design accordingly.
  • To troubleshoot issues with the ADF4157BRUZ, start by verifying the power supply voltage, clock input, and reference frequency. Check the loop filter design and ensure that it's optimized for the specific application. Use a spectrum analyzer to measure the phase noise and verify that it meets the required specifications. If the issue persists, consult the datasheet and application notes for guidance.
  • Yes, the ADF4157BRUZ can be used in a multi-PLL configuration. However, it's essential to consider the clock domain crossing, noise coupling, and synchronization between the PLLs. Ensure that each PLL has its own dedicated power supply, and use isolation techniques such as buffers or isolation transformers to minimize noise coupling.

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ADF4157BRUZ 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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