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ADS7842EG4 - Texas Instruments

Description: Analog to Digital Converters - ADC 12-Bit 4-Ch Parallel Output Sampling

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ADS7842EG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DB0028A
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ADS7842EG4 - Texas Instruments  - 3D model - Small Outline Packages - DB0028A
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ADS7842EG4 Details

  • Manufacturer Part Number:

    ADS7842EG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    SSOP

  • Pin Count:

    28

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • Analog Input Voltage-Max:

    5.25 V

  • Conversion Time-Max:

    6 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    10.2 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:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP28,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.2 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    5.3 mm

ADS7842EG4 Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VREF, and then the analog input voltage. This ensures proper operation and prevents damage to the device.
  • The BUSY signal goes high during conversion and remains high until the conversion is complete. The host should wait for BUSY to go low before initiating a new conversion or accessing the data.
  • The maximum sampling rate is dependent on the clock frequency and the conversion mode. In fast mode, the maximum sampling rate is approximately 125 kHz at a clock frequency of 2.5 MHz.
  • The ADS7842EG4 has an internal calibration circuit that can be used to calibrate the device. The calibration process involves applying a known input voltage and adjusting the internal offset and gain registers to achieve optimal performance.
  • The ADS7842EG4's performance is affected by temperature, with changes in offset, gain, and noise performance. The device is specified to operate over a temperature range of -40°C to 85°C, and the user should consider temperature compensation or calibration to achieve optimal performance.

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ADS7842EG4 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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ADS7842EG4 Alternates

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Part Image ADS7842EB Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 4 Channel, Parallel, Word Access, CMOS, PDSO28

Part Image ADS7842EB/1K Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 4 Channel, Parallel, Word Access, CMOS, PDSO28

Part Image ADS7842EB Burr-Brown Corp

ADC, Successive Approximation, 12-Bit, 1 Func, 4 Channel, Parallel, Word Access, CMOS, PDSO28

Part Image ADS7842E/1K Burr-Brown Corp

ADC, Successive Approximation, 12-Bit, 1 Func, 4 Channel, Parallel, Word Access, CMOS, PDSO28

Part Image ADS7842EB/1KG4 Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 4 Channel, Parallel, Word Access, CMOS, PDSO28

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