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

6.11 Typical Characteristics: ADS7250

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 C076_SBAS580.png
Figure 2. Typical DNL
ADS8350 ADS7850 ADS7250 C074_SBAS580.png
Figure 4. DNL vs Device Temperature
ADS8350 ADS7850 ADS7250 C061_SBAS580.png
Figure 6. Typical FFT at 2-kHz Input
ADS8350 ADS7850 ADS7250 C065_SBAS580.png
Figure 8. SNR vs Input Frequency
ADS8350 ADS7850 ADS7250 C066_SBAS580.png
Figure 10. SINAD vs Input Frequency
ADS8350 ADS7850 ADS7250 C067_SBAS580.png
Figure 12. THD vs Device Temperature
ADS8350 ADS7850 ADS7250 C072_SBAS580.png
Figure 14. Offset Error vs Device Temperature
ADS8350 ADS7850 ADS7250 C071_SBAS580.png
Figure 16. DC Histogram
ADS8350 ADS7850 ADS7250 C077_SBAS580.png
Figure 3. Typical INL
ADS8350 ADS7850 ADS7250 C075_SBAS580.png
Figure 5. INL vs Device Temperature
ADS8350 ADS7850 ADS7250 C062_SBAS580.png
Figure 7. Typical FFT at 250-kHz Input
ADS8350 ADS7850 ADS7250 C069_SBAS580.png
Figure 9. THD vs Input Frequency
ADS8350 ADS7850 ADS7250 C063_SBAS580.png
Figure 11. SNR vs Device Temperature
ADS8350 ADS7850 ADS7250 C064_SBAS580.png
Figure 13. SINAD vs Device Temperature
ADS8350 ADS7850 ADS7250 C073_SBAS580.png
Figure 15. Gain Error vs Device Temperature