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ADS7951QDBTRQ1 - Texas Instruments

Description: Automotive 12 bit, 1 MSPS, 8 Channel, Single-Ended, SAR ADC

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ADS7951QDBTRQ1 - Texas Instruments - PCB symbol
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ADS7951QDBTRQ1 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT (R-PDSO-G30)
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ADS7951QDBTRQ1 - Texas Instruments - 3D model - Small Outline Packages - DBT (R-PDSO-G30)
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ADS7951QDBTRQ1 Details

  • Manufacturer Part Number:

    ADS7951QDBTRQ1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    30

  • 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

  • Conversion Time-Max:

    0.8 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G30

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Linearity Error-Max (EL):

    0.0122%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    8

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    30

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP30,.25,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Sample Rate:

    1 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    3 mA

  • Supply Voltage-Min:

    1.7 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

ADS7951QDBTRQ1 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the analog and digital signals separate. The analog input traces should be short and direct, and the digital output traces should be routed away from the analog inputs. Additionally, decoupling capacitors should be placed close to the device.
  • The ADS7951QDBTRQ1 has an internal calibration circuit that is enabled by default. However, it's recommended to perform an external calibration using an external voltage reference and a calibration resistor to ensure optimal performance. The calibration procedure is outlined in the datasheet.
  • The maximum sampling rate of the ADS7951QDBTRQ1 is 2 MSPS. The power consumption increases with the sampling rate, but the device is designed to operate at low power consumption even at high sampling rates. The power consumption can be estimated using the formula provided in the datasheet.
  • The ADS7951QDBTRQ1 outputs 16-bit digital data in a serial format. The output data is in two's complement format, and the most significant bit (MSB) is output first. The output data can be handled using a microcontroller or an FPGA, and the datasheet provides a detailed description of the output data format.
  • Texas Instruments recommends using a 10uF ceramic capacitor and a 1uF ceramic capacitor in parallel, placed close to the device's power pins. Proper power supply decoupling is critical to ensure the device's performance and accuracy. Insufficient decoupling can lead to noise and errors in the conversion results.

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ADS7951QDBTRQ1 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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