SBAS580D May   2013  – March 2018 ADS7250 , ADS7850 , ADS8350

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Functional Block Diagram
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics: All Devices
    6. 6.6  Electrical Characteristics: ADS7250
    7. 6.7  Electrical Characteristics: ADS7850
    8. 6.8  Electrical Characteristics: ADS8350
    9. 6.9  Timing Requirements
    10. 6.10 Switching Characteristics
    11. 6.11 Typical Characteristics: ADS7250
    12. 6.12 Typical Characteristics: ADS7850
    13. 6.13 Typical Characteristics: ADS8350
    14. 6.14 Typical Characteristics: All Devices
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Reference
      2. 7.3.2 Analog Input
        1. 7.3.2.1 Analog Input Full-Scale Range
      3. 7.3.3 ADC Transfer Function
    4. 7.4 Device Functional Modes
      1. 7.4.1 Serial Interface
      2. 7.4.2 Short-Cycling, Frame Abort, and Reconversion Feature
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 DAQ Circuit: Maximum SINAD for a 10-kHz Input Signal at 750-kSPS Throughput
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 ADC Reference Driver
          2. 8.2.1.2.2 ADC Input Driver
            1. 8.2.1.2.2.1 Input Amplifier Selection
            2. 8.2.1.2.2.2 Antialiasing Filter
        3. 8.2.1.3 Application Curve
      2. 8.2.2 DAQ Circuit: Maximum SINAD for a 100-kHz Input Signal at 750-kSPS Throughput
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 ADC Reference Driver
          2. 8.2.2.2.2 ADC Input Driver
        3. 8.2.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Related Links
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Community Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.12 Typical Characteristics: ADS7850

at TA = 25°C, AVDD = 5 V, DVDD = 3.3 V, VREF = 2.5 V, and fDATA = 750 kSPS (unless otherwise noted)
ADS8350 ADS7850 ADS7250 C046_SBAS580.png
Figure 17. Typical DNL
ADS8350 ADS7850 ADS7250 C044_SBAS580.png
Figure 19. DNL vs Device Temperature
ADS8350 ADS7850 ADS7250 C031_SBAS580.png
Figure 21. Typical FFT at 2-kHz Input
ADS8350 ADS7850 ADS7250 C035_SBAS580.png
Figure 23. SNR vs Input Frequency
ADS8350 ADS7850 ADS7250 C036_SBAS580.png
Figure 25. SINAD vs Input Frequency
ADS8350 ADS7850 ADS7250 C037_SBAS580.png
Figure 27. THD vs Device Temperature
ADS8350 ADS7850 ADS7250 C042_SBAS580.png
Figure 29. Offset Error vs Device Temperature
ADS8350 ADS7850 ADS7250 C041_SBAS580.png
Figure 31. DC Histogram
ADS8350 ADS7850 ADS7250 C047_SBAS580.png
Figure 18. Typical INL
ADS8350 ADS7850 ADS7250 C045_SBAS580.png
Figure 20. INL vs Device Temperature
ADS8350 ADS7850 ADS7250 C032_SBAS580.png
Figure 22. Typical FFT at 250-kHz Input
ADS8350 ADS7850 ADS7250 C039_SBAS580.png
Figure 24. THD vs Input Frequency
ADS8350 ADS7850 ADS7250 C033_SBAS580.png
Figure 26. SNR vs Device Temperature
ADS8350 ADS7850 ADS7250 C034_SBAS580.png
Figure 28. SINAD vs Device Temperature
ADS8350 ADS7850 ADS7250 C043_SBAS580.png
Figure 30. Gain Error vs Device Temperature