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MCP4261-503E/P - Microchip

Description: MCP4261-503E/P, Digital Potentiometer 50kΩ 257-Position Linear 2-channel Serial-SPI 8-Pin PDIP

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MCP4261-503E/P - Microchip - PCB symbol
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MCP4261-503E/P - Microchip PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 14-Lead Plastic Dual In-Line (P) – 300 mil Body [PDIP]
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MCP4261-503E/P - Microchip - 3D model - Dual-In-Line Packages - 14-Lead Plastic Dual In-Line (P) – 300 mil Body [PDIP]
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MCP4261-503E/P Details

  • Manufacturer Part Number:

    MCP4261-503E/P

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    0.300 INCH, PLASTIC, DIP-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    PDIP-14

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Bandwidth-Nom:

    0.2 kHz

  • Control Interface:

    INCREMENT/DECREMENT

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e3

  • Length:

    19.05 mm

  • Number of Functions:

    1

  • Number of Positions:

    257

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    20%

  • Resistor Terminal Voltage-Max:

    5 V

  • Seated Height-Max:

    5.334 mm

  • Supply Current-Max:

    1 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Coefficient-Nom:

    150 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Total Resistance-Nom:

    50000 Ω

  • Width:

    7.62 mm

MCP4261-503E/P Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SPI interface is 10 MHz, as specified in the datasheet. However, it's recommended to operate at a lower frequency, such as 1-2 MHz, to ensure reliable communication and to avoid noise and jitter issues.
  • To ensure proper initialization, it's recommended to perform a software reset by sending a reset command (0x06) to the device after power-up. This will reset the wiper position to its default value and ensure that the device is in a known state.
  • The recommended termination scheme is to connect the A and B terminals to a stable voltage source, such as VCC or GND, and to connect the W terminal to the output of an op-amp or a buffer amplifier. This will help to minimize noise and ensure stable operation.
  • The resistance value can be calculated using the formula: R = (RAB * (256 - W)) / 256, where RAB is the total resistance between the A and B terminals, and W is the wiper position (0-255). This formula assumes a linear taper, which is the case for the MCP4261-503E/P.
  • The maximum current that can be sourced or sunk by the digital potentiometer is ±3 mA, as specified in the datasheet. Exceeding this current limit may cause damage to the device or affect its performance.

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MCP4261-503E/P 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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