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ADS7947SRTER - Texas Instruments

Description: 12-Bit, 2 MSPS, Dual Channel, Pseudo-differential uPower Serial SAR ADC

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ADS7947SRTER - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RTE  (S-PWQFN-N16)
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ADS7947SRTER - Texas Instruments  - 3D model - Quad Flat No-Lead - RTE  (S-PWQFN-N16)
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ADS7947SRTER Details

  • Manufacturer Part Number:

    ADS7947SRTER

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    5.5 V

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Linearity Error-Max (EL):

    0.0244%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    2

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    2 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    3.5 mA

  • Supply Voltage-Min:

    1.65 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

ADS7947SRTER Frequently Asked Questions (FAQs)

  • The ADS7947SRTER requires careful layout and routing to achieve optimal performance. TI recommends following the layout guidelines in the datasheet, including keeping analog and digital traces separate, using a solid ground plane, and minimizing noise coupling.
  • To optimize the ADS7947SRTER's performance, consider factors such as input signal frequency, amplitude, and impedance. Adjust the ADC's gain, offset, and sampling rate accordingly. Additionally, ensure proper filtering and signal conditioning to minimize noise and distortion.
  • To ensure proper operation, power up the ADS7947SRTER in the following sequence: VDD, AVDD, and then DVDD. This sequence helps prevent latch-up and ensures the ADC's internal voltage regulators function correctly.
  • The ADS7947SRTER outputs 16-bit data in a serial format. Ensure your microcontroller or FPGA can handle the data rate and format. You may need to implement data buffering, error checking, and synchronization mechanisms to ensure reliable data transfer.
  • The ADS7947SRTER's junction temperature (TJ) should be kept below 125°C to ensure reliability and performance. Ensure good thermal conduction and convection, and consider heat sinks or thermal interfaces if necessary.

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ADS7947SRTER 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 ADS7947SRTET Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 2 Channel, Serial Access, PQCC16