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AFE4490RHAR - Texas Instruments

Description: Analog Front End - AFE Integrated AFE for Pulse Oximeters

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AFE4490RHAR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - AFE4490RHAR
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AFE4490RHAR - Texas Instruments  - 3D model - Quad Flat No-Lead - AFE4490RHAR
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AFE4490RHAR Details

  • Manufacturer Part Number:

    AFE4490RHAR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

AFE4490RHAR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate analog ground plane is recommended. Keep the analog and digital sections separate, and use a star-grounding scheme to minimize noise.
  • Optimize the AFE by selecting the appropriate gain, filter settings, and input impedance to match your sensor's output and the desired signal-to-noise ratio (SNR). Consult the datasheet and application notes for guidance.
  • The maximum data rate for the SPI interface is 20 MHz, but it can be limited by the master clock frequency and the specific application's requirements.
  • Ensure that the power supplies (AVDD, DVDD, and IOVDD) are powered up in the correct sequence, and the reset signal (RESETB) is asserted and de-asserted correctly to prevent latch-up and ensure proper device operation.
  • Use proper PCB layout, shielding, and filtering techniques to minimize electromagnetic interference (EMI). Ensure that the device is properly decoupled, and the system meets the relevant EMC standards and regulations.

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AFE4490RHAR 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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