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LM99CIMM/NOPB - Texas Instruments

Description: Remote and Local Temperature Sensor with TruTherm Technology and SMBus Interface

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LM99CIMM/NOPB - Texas Instruments - PCB symbol
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LM99CIMM/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - VSSOP-8-1
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LM99CIMM/NOPB - Texas Instruments - 3D model - Small Outline Packages - VSSOP-8-1
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LM99CIMM/NOPB Details

  • Manufacturer Part Number:

    LM99CIMM/NOPB

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Accuracy-Max (Cel):

    3 Cel

  • Body Breadth:

    3 mm

  • Body Height:

    0.86 mm

  • Body Length or Diameter:

    3 mm

  • Housing:

    PLASTIC

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Bits:

    8

  • Number of Terminals:

    8

  • Operating Current-Max:

    1.7 mA

  • Operating Temperature-Max:

    85 °C

  • Output Interface Type:

    2-WIRE INTERFACE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape/Style:

    SQUARE

  • Sensors/Transducers Type:

    TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    2.85 V

  • Surface Mount:

    YES

  • Terminal Finish:

    MATTE TIN

  • Termination Type:

    SOLDER

LM99CIMM/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer or 4-layer PCB with a solid ground plane and a thermal relief pattern around the device to ensure optimal thermal performance. A detailed layout guide can be found in the application note 'LM99 Thermal Layout Guidelines' (SLUA271).
  • To ensure accurate temperature measurement, it is essential to calibrate the device, use a high-accuracy voltage reference, and minimize noise and thermal gradients on the PCB. Additionally, the device should be placed close to the temperature sensing point, and the thermal interface material should be chosen carefully to minimize thermal resistance.
  • The maximum allowed voltage on the VCC pin is 5.5V. Exceeding this voltage may damage the device. It is recommended to use a voltage regulator or a voltage clamp to ensure that the voltage on the VCC pin does not exceed the maximum rating.
  • Yes, the LM99 can operate with a 3.3V supply voltage. However, the device's accuracy and linearity may be affected at lower supply voltages. It is recommended to consult the datasheet and application notes for more information on operating the device at 3.3V.
  • The LM99 output voltage range is 0.25V to 2.95V. To handle this range, it is recommended to use a voltage buffer or an ADC with a suitable input range to ensure accurate temperature measurement. Additionally, the output voltage can be scaled or shifted using external resistors or amplifiers to match the input range of the ADC or microcontroller.

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LM99CIMM/NOPB 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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