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ADS7812UB - Texas Instruments

Description: Analog to Digital Converters - ADC Low-Power Serial 12-Bit Sampling

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ADS7812UB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0016A
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ADS7812UB - Texas Instruments  - 3D model - Small Outline Packages - DW0016A
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ADS7812UB Details

  • Manufacturer Part Number:

    ADS7812UB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-16

  • Pin Count:

    16

  • 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:

    20 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.3 mm

  • Linearity Error-Max (EL):

    0.0122%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    1

  • 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:

    2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.04 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:

    INDUSTRIAL

  • 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

ADS7812UB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane, and placing the ADC close to the analog signal source. Decoupling capacitors should be placed as close as possible to the VCC and GND pins. A dedicated analog ground plane is also recommended.
  • The ADS7812UB outputs data in a 16-bit parallel format. Engineers should ensure that their microcontroller or digital system can handle this format and provide a suitable clock signal to latch the data. Additionally, consider using a buffer or latch to hold the data while it is being processed.
  • The ADS7812UB's performance is affected by temperature, with changes in offset voltage, gain error, and linearity. Engineers should consider temperature compensation or calibration techniques to ensure accurate measurements over the desired temperature range.
  • To ensure EMC, engineers should follow proper PCB layout and shielding techniques, use a common-mode filter or choke, and consider adding EMI filters or shielding to the ADC and surrounding components.
  • Texas Instruments recommends powering up the VCC pin before the AVCC pin, and ensuring that the AVCC pin is powered up before the analog input signal is applied. This helps to prevent latch-up and ensures proper operation.

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ADS7812UB 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 ADS7812UB/1K Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO16

Part Image ADS7812UB/1KE4 Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO16

Part Image ADS7812UB/1K Burr-Brown Corp

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, PDSO16

Part Image ADS7812UBG4 Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO16

Part Image ADS7812UB/1KG4 Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO16

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