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ADS7846E - Texas Instruments

Description: A-D touch screen controller,ADS7846E

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ADS7846E - Texas Instruments - PCB symbol
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PCB Footprints
ADS7846E - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBQ0016A
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3D Models
ADS7846E - Texas Instruments - 3D model - Small Outline Packages - DBQ0016A
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ADS7846E Details

  • Manufacturer Part Number:

    ADS7846E

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    SOIC

  • 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:

    4.905 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:

    SSOP

  • Package Equivalence Code:

    SSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    2.2 V

  • Supply Voltage-Nom:

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.895 mm

  • uPs/uCs/Peripheral ICs Type:

    CAPACITIVE TOUCH SCREEN CONTROLLERS

ADS7846E 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.
  • Optimizing the ADC's performance involves selecting the appropriate gain, offset, and sampling rate for your application. Consult the datasheet and application notes for guidance on selecting these parameters. Additionally, consider using the ADS7846E's built-in calibration features to improve accuracy.
  • The maximum sampling rate of the ADS7846E is 200 kHz. However, the actual achievable sampling rate may be limited by the system's clock frequency, analog input signal bandwidth, and other factors. Consult the datasheet and application notes for guidance on selecting the optimal sampling rate for your application.
  • The ADS7846E outputs 12-bit digital data in a serial format. You can interface the ADS7846E with a microcontroller or FPGA to process the digital data. Ensure that your system can handle the data transfer rate and format required by the ADS7846E.
  • The internal reference voltage (VREF) is used to set the full-scale range of the ADC. It can be used as a reference voltage for the analog input signal, allowing for ratiometric measurements. Consult the datasheet for guidance on selecting the appropriate VREF value for your application.

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ADS7846E 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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