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ADS7846N/2K5 - Texas Instruments

Description: 4-wire Touch Screen Controller

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ADS7846N/2K5 - Texas Instruments - PCB symbol
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PCB Footprints
ADS7846N/2K5 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0016A 2021
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3D Models
ADS7846N/2K5 - Texas Instruments - 3D model - Small Outline Packages - PW0016A 2021
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ADS7846N/2K5 Details

  • Manufacturer Part Number:

    ADS7846N/2K5

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    TSSOP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    2.2 V

  • Supply Voltage-Nom:

    2.7 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    CAPACITIVE TOUCH SCREEN CONTROLLERS

ADS7846N/2K5 Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VREF, and then the analog input signal. This ensures proper operation and prevents damage to the device.
  • To optimize the layout, keep the analog and digital grounds separate, use a solid ground plane, and minimize the distance between the ADS7846N/2K5 and the analog input signal source. Also, use a low-ESR capacitor for the VREF pin.
  • The maximum sampling rate of the ADS7846N/2K5 is 200 kHz, but it can be limited by the analog input signal bandwidth and the system's noise floor.
  • The ADS7846N/2K5 has built-in offset and gain error correction capabilities. Use the internal offset and gain calibration registers to correct for these errors. Additionally, consider using external calibration techniques, such as system-level calibration, to further improve accuracy.
  • The recommended clock frequency for the ADS7846N/2K5 is between 1 MHz and 5 MHz. However, the optimal clock frequency may vary depending on the specific application and system requirements.

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ADS7846N/2K5 Overview

Use the download button to access the ADS7846N/2K5 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ADS78, or try a keyword search, such as Other uPs/uCs/Peripheral ICs

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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