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ADS7953SDBTR - Texas Instruments

Description: Analog to Digital Converters - ADC 12B 1MSPS 16Ch Sgl ended micro Pwr

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ADS7953SDBTR - Texas Instruments - PCB symbol
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PCB Footprints
ADS7953SDBTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT0038A
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3D Models
ADS7953SDBTR - Texas Instruments - 3D model - Small Outline Packages - DBT0038A
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ADS7953SDBTR Details

  • Manufacturer Part Number:

    ADS7953SDBTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    38

  • Country Of Origin:

    Malaysia

  • 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-G38

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Linearity Error-Max (EL):

    0.0366%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    16

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • 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:

    TSSOP38,.25,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    1 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • 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

  • Technology:

    CMOS

  • 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

ADS7953SDBTR Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the analog and digital traces separate. Additionally, use a low-ESR capacitor for the AVDD pin and a 0.1uF capacitor for the REF pin. Route the analog input traces away from the digital traces and keep them as short as possible.
  • The ADS7953SDBTR has a power-on reset (POR) circuit that ensures the device is in a valid state after power-up. However, it's recommended to add an external reset circuit to ensure the device is in a valid state after power-up. A 10kΩ pull-up resistor on the RESET pin to AVDD and a 0.1uF capacitor from RESET to GND can be used.
  • The ADS7953SDBTR can use an external clock source or its internal oscillator. For best performance, use a high-quality external clock source with a frequency of 10MHz to 50MHz. If using the internal oscillator, ensure the XTAL1 pin is connected to a 10MHz crystal and the XTAL2 pin is connected to GND.
  • During SPI mode, the SDO pin is an output and should be connected to the SPI master's input. Ensure the SDO pin is not left floating and is properly terminated to prevent noise and errors.
  • The REF pin should be driven with a low-noise, low-impedance source. A voltage reference IC such as the TLV7031 can be used to drive the REF pin. Ensure the reference voltage is within the recommended range of 2.5V to 5V.

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ADS7953SDBTR Overview

Use the download button to access the ADS7953SDBTR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ADS79, or try a keyword search, such as Analog to Digital Converters

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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