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ADS7804U - Texas Instruments

Description: 12-Bit 10us Sampling CMOS Analog-to-Digital Converter

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PCB Footprints
ADS7804U - Texas Instruments PCB footprint - Other - Other - SOIC127P1030X265-28N
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ADS7804U - Texas Instruments  - 3D model - Other - SOIC127P1030X265-28N
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ADS7804U Details

  • Manufacturer Part Number:

    ADS7804U

  • 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:

    8 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    17.9 mm

  • Linearity Error-Max (EL):

    0.022%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    1

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °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:

    0.1 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

ADS7804U Frequently Asked Questions (FAQs)

  • The ADS7804U requires careful layout and routing to minimize noise and ensure accurate conversions. TI recommends using a 4-layer PCB with a solid ground plane, keeping analog and digital traces separate, and using a common mode filter to reduce noise.
  • To optimize the ADS7804U's performance, consider the input signal frequency, amplitude, and impedance. Adjust the input buffer gain, filter settings, and sampling rate to match your application's requirements. Additionally, ensure proper power supply decoupling and noise reduction techniques.
  • The ADS7804U can achieve a maximum sampling rate of 100 kSPS. However, this rate may be limited by the system's clock frequency, input signal bandwidth, and filter settings. Consult the datasheet and application notes for specific guidance.
  • The ADS7804U has built-in overvoltage protection up to 7 V. For undervoltage conditions, use a voltage supervisor or a power-on reset circuit to ensure the ADC is not powered up until the supply voltage is within the recommended range.
  • Use a SPI-compatible interface to connect the ADS7804U to a microcontroller or FPGA. Ensure proper signal termination, and consider using a level shifter or voltage translator if necessary. Consult the datasheet and application notes for specific interface guidelines.

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ADS7804U 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 ADS7804UB Burr-Brown Corp

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PDSO28

Part Image ADS7804U Burr-Brown Corp

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PDSO28

Part Image ADS7804U/1KE4 Texas Instruments

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Part Image ADS7804UB/1K Burr-Brown Corp

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Part Image ADS7804UB/1KE4 Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PDSO28

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