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DS2740BU+ - Analog Devices

Description: Battery Management High-Precision Coulomb Counter

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DS2740BU+ - Analog Devices - PCB symbol
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PCB Footprints
DS2740BU+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8-Pin μMAX
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3D Models
DS2740BU+ - Analog Devices - 3D model - Small Outline Packages - 8-Pin μMAX
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DS2740BU+ Details

  • Manufacturer Part Number:

    DS2740BU+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-MINI_SO-N/A

  • Package Description:

    LEAD FREE, MICRO, MAX-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-MINI_SO-N/A

  • 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:

    2003-03-30

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    POWER SUPPLY SUPPORT CIRCUIT

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    0.085 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3.5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

DS2740BU+ Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the DS2740BU+. Ensure that the analog and digital grounds are separated, and the analog ground is connected to the digital ground at a single point. Keep the analog signal traces short and away from digital signal traces. Use a solid ground plane and decouple the power supply lines with capacitors.
  • To minimize high-frequency noise, use a low-pass filter (e.g., RC filter) at the output of the DS2740BU+. You can also use a ferrite bead or a common-mode choke to filter out high-frequency noise. Additionally, ensure that the PCB layout is well-designed, and the power supply lines are properly decoupled.
  • The maximum cable length for the DS2740BU+ depends on the specific application and the signal frequency. As a general rule, keep the cable length as short as possible (less than 10 inches) to minimize signal attenuation and noise. If a longer cable is required, use a shielded cable and ensure that the signal is properly terminated.
  • Calibration is crucial for accurate measurements. Follow the calibration procedure outlined in the datasheet, which involves applying a known input voltage and adjusting the internal calibration registers. You can also use an external calibration signal or a calibration module to simplify the process.
  • The power-on reset (POR) timing for the DS2740BU+ is typically around 10 ms to 20 ms. This means that the device requires a minimum of 10 ms to 20 ms of power-on time to ensure a proper reset and initialization. Ensure that your power supply can provide a stable voltage during this time.

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DS2740BU+ Overview

Use the download button to access the DS2740BU+ schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like DS274, or try a keyword search, such as Power Management Circuits

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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DS2740BU+ Alternates

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Part Image DS2740BU+ Maxim Integrated Products

Power Supply Support Circuit, Fixed, 1 Channel, PDSO8