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ADS7846E/2K5 - Texas Instruments

Description: 4-wire Touch Screen Controller

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ADS7846E/2K5 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBQ0016A
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ADS7846E/2K5 - Texas Instruments  - 3D model - Small Outline Packages - DBQ0016A
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ADS7846E/2K5 Details

  • Manufacturer Part Number:

    ADS7846E/2K5

  • 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/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 analog input signal range, ensure that the input signal is within the specified range of 0 to VREF. You can also adjust the gain of the input signal using an external amplifier or attenuator to match the full-scale range of the ADC.
  • The recommended clock frequency for the ADS7846E/2K5 is between 1 MHz and 3.25 MHz. Operating the device at frequencies outside this range may affect its performance and accuracy.
  • The ADS7846E/2K5 outputs 12-bit digital data in a serial format. You can use a microcontroller or FPGA to receive and process the data. Ensure that the receiving device is properly synchronized with the ADC's clock signal to avoid data loss or corruption.
  • The CAL pin is used for calibration purposes. When the CAL pin is pulled low, the ADC enters calibration mode, which allows for internal offset and gain adjustments. This pin should be tied high or left floating during normal operation.

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ADS7846E/2K5 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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