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ADS7843E - Texas Instruments

Description: 12-bit Analog-to-Digital Converter (ADC) with a synchronous serial interface and touch screen contr

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ADS7843E - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBQ0016A
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ADS7843E Details

  • Manufacturer Part Number:

    ADS7843E

  • 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

  • Analog Input Voltage-Max:

    5 V

  • Conversion Time-Max:

    6 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    4.89 mm

  • Linearity Error-Max (EL):

    0.0488%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    4

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • 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

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.125 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.65 mA

  • Supply Voltage-Nom:

    2.7 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    3.9 mm

ADS7843E 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 ADC's performance, consider the following: use a low-noise power supply, minimize digital noise, use a high-quality analog input signal, and optimize the sampling rate and clock frequency for your specific application.
  • The maximum sampling rate of the ADS7843E is 200 kHz. However, the actual achievable sampling rate may be limited by the system's clock frequency, analog input signal quality, and other factors.
  • The ADS7843E outputs 12-bit digital data in a serial format. You can use a microcontroller or FPGA to receive and process the data. Ensure proper synchronization and data formatting to avoid errors.
  • The VREF pin sets the reference voltage for the ADC. Connect a stable voltage source (e.g., 2.5V or 3.3V) to VREF to set the full-scale range of the ADC. This allows you to adjust the ADC's input range to match your application's requirements.

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ADS7843E 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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Part Image ADS7843E/2K5 Texas Instruments

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Part Image ADS7843E/2K5G4 Texas Instruments

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Part Image ADS7843E/2K5 Burr-Brown Corp

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Part Image ADS7843E Burr-Brown Corp

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