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MAX5478EUD+T - Analog Devices

Description: Dual, 256-Tap, Nonvolatile, I?C-Interface, Digital Potentiometers

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MAX5478EUD+T - Analog Devices - PCB symbol
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PCB Footprints
MAX5478EUD+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - U14+1
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MAX5478EUD+T - Analog Devices - 3D model - Small Outline Packages - U14+1
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MAX5478EUD+T Details

  • Manufacturer Part Number:

    MAX5478EUD+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    14-TSSOP_4.4-4.4_MM

  • Package Description:

    TSSOP, TSSOP14,.25

  • Pin Count:

    14

  • Manufacturer Package Code:

    14-TSSOP_4.4-4.4_MM

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

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

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2004-08-12

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    NONVOLATILE MEMORY; OTHER RESISTOR ARRAY IS: 50000 OHMS WITH 256 TAP POSITIONS

  • Bandwidth-Nom:

    0.1 kHz

  • Control Interface:

    2-WIRE SERIAL

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Positions:

    256

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Resistance Law:

    LINEAR

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Coefficient-Nom:

    70 ppm/°C

  • 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

  • Total Resistance-Nom:

    50000 Ω

  • Width:

    4.4 mm

MAX5478EUD+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX5478EUD+T involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated layer for the analog signals to minimize noise and interference.
  • The MAX5478EUD+T requires a single 2.7V to 5.5V power supply. It's recommended to power the device with a low-noise, low-dropout regulator. The power sequencing requirements are not critical, but it's recommended to power the device after the input signals are stable to prevent any unwanted output states.
  • The MAX5478EUD+T can drive capacitive loads up to 100pF. However, it's recommended to limit the capacitive load to 10pF to 20pF to ensure stable operation and prevent oscillations.
  • To troubleshoot issues with the MAX5478EUD+T, start by verifying the power supply and input signals. Check for any noise or interference on the input signals and ensure the device is properly grounded. Use an oscilloscope to monitor the output signals and look for any signs of oscillations or incorrect states. If the issue persists, try reducing the capacitive load or adding a series resistor to the output.
  • The MAX5478EUD+T is specified to operate from -40°C to +125°C. However, it's recommended to derate the device's performance at high temperatures. For example, the output current may decrease at high temperatures, and the device's accuracy may be affected. It's recommended to consult the datasheet and perform thorough testing before using the device in high-temperature environments.

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MAX5478EUD+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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MAX5478EUD+T Alternates

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Part Image MAX5478EUD-T Maxim Integrated Products

Digital Potentiometer, 1 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, BICMOS, PDSO14