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MCP4351-104E/ST - Microchip

Description: MCP4351-104E/ST, Digital Potentiometer 120kΩ 257-Position Linear 4-channel SPI 20-Pin TSSOP

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MCP4351-104E/ST - Microchip - PCB symbol
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PCB Footprints
MCP4351-104E/ST - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - (ST)20-Lead(TSSOP)
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MCP4351-104E/ST - Microchip - 3D model - Small Outline Packages - (ST)20-Lead(TSSOP)
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MCP4351-104E/ST Details

  • Manufacturer Part Number:

    MCP4351-104E/ST

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    4.40 MM, LEAD FREE, PLASTIC, TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    TSSOP-20

  • Country Of Origin:

    Philippines, Thailand

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    7 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Bandwidth-Nom:

    0.1 kHz

  • Control Interface:

    3-WIRE SERIAL

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Positions:

    257

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.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:

    20%

  • Resistor Terminal Voltage-Max:

    5.5 V

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    0.45 mA

  • Supply Voltage-Nom:

    2.7 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Coefficient-Nom:

    150 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Total Resistance-Nom:

    100000 Ω

  • Width:

    4.4 mm

MCP4351-104E/ST Frequently Asked Questions (FAQs)

  • Microchip recommends following a star-grounding scheme, keeping analog and digital grounds separate, and using a solid ground plane to minimize noise. Additionally, keep the device's power and ground pins as close as possible to the decoupling capacitors, and use a low-impedance path for the VDD and VSS connections.
  • The MCP4351-104E/ST has an internal calibration circuit that is enabled by default. However, to ensure accurate conversion, it's recommended to perform an external calibration by writing a known voltage to the DAC and measuring the output voltage. This process can be done during manufacturing or at power-up.
  • The maximum output current of the MCP4351-104E/ST is 5 mA. If the output current exceeds this limit, the output voltage may droop or become unstable. To ensure accurate output voltage, it's recommended to buffer the output with an op-amp or use an external amplifier if high output currents are required.
  • The POR and BOR features are enabled by default and can be disabled by writing to the corresponding registers. It's recommended to use these features to ensure the device is properly reset during power-up and brown-out conditions. Additionally, consider adding external reset circuitry to ensure a clean reset signal.
  • The recommended operating temperature range for the MCP4351-104E/ST is -40°C to +125°C. Operating the device outside this range may affect its performance, including increased noise, reduced accuracy, and decreased reliability. Ensure the device is operated within the recommended temperature range for optimal performance.

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MCP4351-104E/ST Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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Part Image MCP4351T-104E/ST Microchip Technology Inc

Digital Potentiometer, 4 Func, 100000ohm, 3-wire Serial Control Interface, 257 Positions, CMOS, PDSO20