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mma8451qt - NXP

Description: Freescale MMA8451QT 3-Axis Accelerometer IC, 1.95 ??? 3.6 V 16-pin QFN

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mma8451qt - NXP - PCB symbol
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PCB Footprints
mma8451qt - NXP PCB footprint - Pull-back Quad Flat No-lead - Pull-back Quad Flat No-lead - (QFN-COL)0.5pitch(3x3x1)
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mma8451qt Details

  • Manufacturer Part Number:

    MMA8451QT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    QFN-16

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    0

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    S-XQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VQCCN

  • Package Equivalence Code:

    LCC16,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    1.95 V

  • Supply Voltage-Nom (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    40

  • Width:

    3 mm

mma8451qt Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to apply VDD first, followed by VDDIO, and then the clock signal. This ensures proper initialization of the device.
  • The MMA8451QT has open-drain interrupt outputs, so an external pull-up resistor is required. The interrupt signals are active-low, and the device can be configured to generate interrupts on various events such as data ready, orientation, and free-fall detection.
  • The self-test feature is used to verify the integrity of the sensor and the signal chain. It applies a known stimulus to the sensor and checks the response to ensure that the device is functioning correctly.
  • The MMA8451QT does not require calibration in the classical sense. However, the device does have a built-in offset correction mechanism that can be used to compensate for any offset errors. Additionally, the device can be calibrated using external means, such as by applying a known acceleration and adjusting the offset registers accordingly.
  • The high-pass filter is used to remove the DC component of the acceleration signal, while the low-pass filter is used to remove high-frequency noise. The high-pass filter is typically used for applications such as gesture recognition, while the low-pass filter is used for applications such as vibration monitoring.

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mma8451qt Overview

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About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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