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MAX31331EWC+T - Analog Devices

Description: Ultra-Low power 12C Real Time clock w/ power management in WLP

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MAX31331EWC+T - Analog Devices - PCB symbol
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PCB Footprints
MAX31331EWC+T - Analog Devices PCB footprint - BGA - BGA - W121P1+1
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3D Models
MAX31331EWC+T - Analog Devices - 3D model - BGA - W121P1+1
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MAX31331EWC+T Details

  • Manufacturer Part Number:

    MAX31331EWC+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    12-WLCSP-N/A

  • Package Description:

    WLP-12

  • Pin Count:

    12

  • Manufacturer Package Code:

    12-WLCSP-N/A

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2022-04-26

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Clock Frequency-Max:

    0.032 MHz

  • Information Access Method:

    SERIAL(I2C)

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    R-PBGA-B12

  • Length:

    1.628 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA12,3X4,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.69 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.1 V

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Tin/Silver/Copper/Nickel (Sn/Ag/Cu/Ni)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

  • Time-Min:

    SECONDS

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

    30

  • Volatile:

    YES

  • Width:

    1.228 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

MAX31331EWC+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX31331EWC+T involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the crystal oscillator. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and to minimize the length of the clock signal traces.
  • To ensure the accuracy of the RTC, it's essential to use a high-quality crystal oscillator with a low ppm error, and to calibrate the RTC regularly. Additionally, the device should be operated within the recommended temperature range, and the power supply should be stable and noise-free.
  • The maximum frequency of the clock output of the MAX31331EWC+T is 32.768 kHz, which is the typical frequency of a watch crystal oscillator.
  • Yes, the MAX31331EWC+T can be used in a battery-powered device. It has a low power consumption of 1.2 μA in the shutdown mode, making it suitable for battery-powered applications. However, it's essential to ensure that the power supply is stable and noise-free to maintain the accuracy of the RTC.
  • The alarm and timer functions of the MAX31331EWC+T can be programmed using the I2C interface. The device has a set of registers that control the alarm and timer functions, and these registers can be accessed and programmed using the I2C protocol.

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MAX31331EWC+T 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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