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LMP91000SDE - Texas Instruments

Description: TEXAS INSTRUMENTS - LMP91000SDE - Programmable Analogue Front End (AFE), 2.7 V to 5.25 V, LLP-14

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LMP91000SDE - Texas Instruments - PCB symbol
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PCB Footprints
LMP91000SDE - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - NHL0014B
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3D Models
LMP91000SDE - Texas Instruments - 3D model - Small Outline No-lead - NHL0014B
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LMP91000SDE Details

  • Manufacturer Part Number:

    LMP91000SDE

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    LLP-14

  • Pin Count:

    14

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    S-PDSO-N14

  • Length:

    4 mm

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC14,.16,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Width:

    4 mm

LMP91000SDE Frequently Asked Questions (FAQs)

  • A good PCB layout for the LMP91000SDE involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the sensor. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog layer to minimize noise.
  • Calibration of the LMP91000SDE involves applying a known gas concentration to the sensor and adjusting the gain and offset registers to achieve the desired output. It's recommended to perform a 2-point calibration, one at 0% gas concentration and another at a known non-zero concentration.
  • The recommended power-up sequence for the LMP91000SDE is to first apply the analog power supply (AVDD), followed by the digital power supply (DVDD), and then the clock signal. This ensures that the device powers up correctly and prevents damage or incorrect operation.
  • The LMP91000SDE has a built-in temperature sensor that can be used for temperature compensation. The temperature data can be used to adjust the gain and offset registers to compensate for temperature effects on the gas sensor. A lookup table or a temperature compensation algorithm can be implemented in the microcontroller to achieve this.
  • When connecting multiple LMP91000SDE devices to a single microcontroller, it's recommended to use a separate chip select (CS) line for each device and to use a common SCL and SDA line for all devices. This allows the microcontroller to communicate with each device individually while minimizing the number of I/O lines required.

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LMP91000SDE Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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