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DS1685EN-3+ - Analog Devices

Description: Maxim DS1685EN-3+ Real Time Clock — Alarm, Calendar, 128B RAM 24-Pin TSSOP

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DS1685EN-3+ - Analog Devices - PCB symbol
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PCB Footprints
DS1685EN-3+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - U24+1
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DS1685EN-3+ - Analog Devices - 3D model - Small Outline Packages - U24+1
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DS1685EN-3+ Details

  • Manufacturer Part Number:

    DS1685EN-3+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    24-TSSOP_4.4-4.4_MM

  • Package Description:

    0.173 INCH, ROHS COMPLIANT, TSSOP-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    24-TSSOP_4.4-4.4_MM

  • Country Of Origin:

    Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2002-08-09

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Clock Frequency-Max:

    0.032 MHz

  • External Data Bus Width:

    8

  • Information Access Method:

    PARALLEL, MUXED BUS

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e3

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP24,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max:

    3.7 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time-Min:

    SECONDS

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

    30

  • Volatile:

    YES

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

DS1685EN-3+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the DS1685EN-3+ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing noise coupling between the analog and digital sections. It's also recommended to use a low-ESR capacitor for the power supply decoupling.
  • To ensure accuracy, it's essential to calibrate the DS1685EN-3+ using a precision temperature source, and to minimize thermal gradients on the PCB. Additionally, using a thermocouple with a high accuracy and a low thermal conductivity can also improve the measurement accuracy.
  • The maximum cable length that can be used with the DS1685EN-3+ depends on the specific application and the type of cable used. However, as a general rule, it's recommended to keep the cable length as short as possible (less than 10 feet) to minimize signal attenuation and noise pickup.
  • Yes, the DS1685EN-3+ can be used in a high-vibration environment, but it's essential to ensure that the device is properly mounted and secured to the PCB to prevent mechanical stress. Additionally, using a vibration-resistant connector and cable can also help to minimize the effects of vibration on the device's performance.
  • To troubleshoot issues with the DS1685EN-3+, start by checking the power supply voltage and ensuring that it's within the recommended range. Then, verify that the device is properly configured and that the thermocouple is connected correctly. If the issue persists, use a logic analyzer or oscilloscope to debug the digital signals and identify the root cause of the problem.

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DS1685EN-3+ 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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