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AD5251BRUZ1 - Analog Devices

Description: AD5251BRUZ1, Digital Potentiometer 1kΩ 64-Position Linear 2-channel Serial-2 Wire, Serial-I2C 14-Pin TSSOP

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AD5251BRUZ1 - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RU-14
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AD5251BRUZ1 Details

  • Manufacturer Part Number:

    AD5251BRUZ1

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, MO-153AB-1, TSSOP-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    RU-14

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Additional Feature:

    NONVOLATILE MEMORY; DEVICE SUPPORTS DUAL SUPPLY OPERATION

  • Bandwidth-Nom:

    4 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

  • Negative Supply Voltage-Nom:

    -2.5 V

  • Number of Functions:

    2

  • Number of Positions:

    64

  • 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

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    30%

  • Resistor Terminal Voltage-Max:

    2.75 V

  • Resistor Terminal Voltage-Min:

    -2.25 V

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Nom:

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Coefficient-Nom:

    650 ppm/°C

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Total Resistance-Nom:

    1000 Ω

  • Width:

    4.4 mm

AD5251BRUZ1 Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VLOGIC, and then the digital inputs. This ensures proper device operation and prevents latch-up.
  • The digital interface (SDA, SCL, and INT) should be terminated with a pull-up resistor to VLOGIC, typically in the range of 1 kΩ to 10 kΩ, to ensure proper signal integrity and noise immunity.
  • The maximum capacitance that can be driven by the digital output pins is approximately 100 pF. Exceeding this value may cause signal degradation or oscillations.
  • During power-down or reset, the INT pin should be pulled high to VLOGIC through a resistor (typically 1 kΩ to 10 kΩ) to prevent unwanted interrupts or noise.
  • Keep analog and digital signals separate, use a solid ground plane, and avoid crossing analog and digital signal traces. Use a star-configuration for power supply connections and decouple VDD and VLOGIC with capacitors.

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AD5251BRUZ1 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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