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ADS7815U - Texas Instruments

Description: 16-Bit 250kHz Sampling CMOS Analog-to-Digital Converter

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ADS7815U - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G28)
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ADS7815U - Texas Instruments  - 3D model - Small Outline Packages - DW (R-PDSO-G28)
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ADS7815U Details

  • Manufacturer Part Number:

    ADS7815U

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-28

  • Pin Count:

    28

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    5.25 V

  • Analog Input Voltage-Min:

    4.75 V

  • Conversion Time-Max:

    4 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    17.9 mm

  • Linearity Error-Max (EL):

    0.0061%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -5 V

  • Number of Analog In Channels:

    1

  • Number of Bits:

    16

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP28,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.25 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

ADS7815U Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to apply VCC first, followed by AVCC, and then the analog input voltage. This ensures proper internal biasing and prevents latch-up.
  • To minimize noise, keep the analog input traces short and away from digital signals. Use a solid ground plane, and decouple the power supplies with 0.1uF and 10uF capacitors. Also, ensure the analog input signals are properly terminated and filtered.
  • The maximum sampling rate of the ADS7815U is 150 kSPS. However, this rate may vary depending on the specific application, operating conditions, and system design.
  • The ADS7815U outputs data in straight binary format. The most significant bit (MSB) is the sign bit, and the remaining bits represent the magnitude of the converted value.
  • The ADS7815U has an internal clock, but you can also use an external clock source. If using an external clock, ensure it is a stable, low-jitter clock signal with a frequency between 1 MHz and 20 MHz.

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ADS7815U 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 ADS7815U/1K Texas Instruments

ADC, Successive Approximation, 16-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PDSO28

Part Image ADS7815U Burr-Brown Corp

ADC, Successive Approximation, 16-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PDSO28

Part Image ADS7815U/1K Burr-Brown Corp

ADC, Successive Approximation, 16-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PDSO28

Part Image ADS7815U/1KE4 Texas Instruments

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Part Image ADS7815UG4 Texas Instruments

ADC, Successive Approximation, 16-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PDSO28

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