SBASAQ6 April   2024 ADS9813

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
    7. 5.7 Switching Characteristics
    8. 5.8 Timing Diagrams
    9. 5.9 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Analog Inputs
        1. 6.3.1.1 Input Clamp Protection Circuit
        2. 6.3.1.2 Programmable Gain Amplifier (PGA)
        3. 6.3.1.3 Wide-Common-Mode Voltage Rejection Circuit
      2. 6.3.2 ADC Transfer Function
      3. 6.3.3 ADC Sampling Clock Input
      4. 6.3.4 Synchronizing Multiple ADCs
      5. 6.3.5 Reference Voltage
      6. 6.3.6 Test Patterns for Data Interface
        1. 6.3.6.1 Fixed Pattern
        2. 6.3.6.2 Digital Ramp
        3. 6.3.6.3 Alternating Test Pattern
    4. 6.4 Device Functional Modes
      1. 6.4.1 Reset
      2. 6.4.2 Power-Down
      3. 6.4.3 Initialization Sequence
      4. 6.4.4 Normal Operation
    5. 6.5 Programming
      1. 6.5.1 Register Write
      2. 6.5.2 Register Read
      3. 6.5.3 Multiple Devices in a Daisy-Chain Topology for SPI Configuration
        1. 6.5.3.1 Register Write With Daisy-Chain
        2. 6.5.3.2 Register Read With Daisy-Chain
  8. 7 Register Map
    1. 7.1 Register Bank 0
    2. 7.2 Register Bank 1
    3. 7.3 Register Bank 2
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Parametric Measurement Unit (PMU)
      2. 8.2.2 Design Requirements
      3. 8.2.3 Detailed Design Procedure
      4. 8.2.4 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Mechanical Data

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5.9 Typical Characteristics

GUID-20240215-SS0I-JPZX-VJSH-DXPBXBQPG0F9-low.svg
Typical INL = ±1LSB
Figure 5-6 Typical INL With Low-Noise LPF
GUID-20240215-SS0I-KG4S-8ML1-NT4VRVQWFCDL-low.svg
Typical DNL = ±0.35LSB
Figure 5-8 Typical DNL With Low-Noise LPF
GUID-20240215-SS0I-VQPM-D73W-J6C8K1G6DTHK-low.svg
SNR = 90dBFS, THD = –117.5dB at fIN = 2kHz
Figure 5-10 Typical FFT With Low-Bandwidth LPF,
RANGE = ±5V
GUID-20240215-SS0I-SV6B-LVG8-GFL6GVZS4KTW-low.svg
SNR = 90.2dBFS, THD = –117.6dB at fIN = 2kHz
Figure 5-12 Typical FFT With Low-Bandwidth LPF,
RANGE = ±10V
GUID-D13D49C6-EDF0-489C-A19A-C0BBD889E066-low.svg
Typical bandwidth (–3dB) = 21.2kHz
Figure 5-14 Low-Noise LPF Frequency Response Across Input Ranges
GUID-20240404-SS0I-JHJD-KLFL-1ZH2THLH8B8J-low.svg
 
Figure 5-16 SNR vs Input Signal Frequency Across Input Ranges With Low-Bandwidth LPF
GUID-20240404-SS0I-JBMM-4HCW-MRKG7VQFQGMB-low.svg
 
Figure 5-18 THD vs Input Signal Frequency Across Input Ranges With Low-Bandwidth LPF
GUID-20240404-SS0I-DTV9-WXP9-NRZFQVNF4NCX-low.svg
 
Figure 5-20 SINAD vs Input Signal Frequency Across Input Ranges With Low-Bandwidth LPF
GUID-20240404-SS0I-JRJM-FQ1H-CFRDHSZNF72Q-low.svg
 
Figure 5-22 THD vs Input Signal Frequency Across Source Impedance With Low-Bandwidth LPF, RANGE = ±5V
GUID-20240404-SS0I-QNVQ-93TP-TWVFMSXVCTF9-low.svg
 
Figure 5-24 THD vs Input Signal Frequency Across Source Impedance With Low-Bandwidth LPF, RANGE = ±10V
GUID-20240215-SS0I-7GTZ-WPHK-QXTLDKTHBNSX-low.svg
Typical INL = ±1.2LSB
Figure 5-7 Typical INL With Wide-Bandwidth LPF
GUID-20240215-SS0I-04PS-28WH-JFBRBT2GH6H7-low.svg
Typical DNL = ±0.35LSB
Figure 5-9 Typical DNL With Wide-Bandwidth LPF
GUID-20240215-SS0I-WSLH-PBCJ-2QKGCDKBVQPG-low.svg
SNR = 81.4dBFS, THD = –117.3dB at fIN = 2kHz
Figure 5-11 Typical FFT With Wide-Bandwidth LPF,
RANGE = ±5V
GUID-20240215-SS0I-JC7K-FZJ2-MW90LBHVWLPB-low.svg
SNR = 83.7dBFS, THD = –121dB at fIN = 2kHz
Figure 5-13 Typical FFT With Wide-Bandwidth LPF,
RANGE = ±10V
GUID-20240209-SS0I-XLJK-VD9C-LR40LJ0B1BWZ-low.svg
 
Figure 5-15 Wide-Bandwidth LPF Frequency Response Across Input Ranges
GUID-20240404-SS0I-FLLD-RC61-VTNV0CSTVHX6-low.svg
 
Figure 5-17 SNR vs Input Signal Frequency Across Input Ranges With Wide-Bandwidth LPF
GUID-20240404-SS0I-6W64-F4D4-GQ2BHGPBP2KQ-low.svg
 
Figure 5-19 THD vs Input Signal Frequency Across Input Ranges With Wide-Bandwidth LPF
GUID-20240404-SS0I-BSDP-WF8N-B7F3TKLJBSH2-low.svg
 
Figure 5-21 SINAD vs Input Signal Frequency Across Input Ranges With Wide-Bandwidth LPF
GUID-20240404-SS0I-QCGZ-FK6H-8S5MKQDT3BWS-low.svg
 
Figure 5-23 THD vs Input Signal Frequency Across Source Impedance With Wide-Bandwidth LPF, RANGE = ±5V
GUID-20240404-SS0I-PSBV-Q984-TFZWF109JGG6-low.svg
 
Figure 5-25 THD vs Input Signal Frequency Across Source Impedance With Wide-Bandwidth LPF, RANGE = ±10V