SBAS931B January   2019  – July 2022 ADS8353-Q1

PRODUCTION DATA  

  1. 1Features
  2. 2Applications
  3. 3Description
  4. 4Revision History
  5. 5Pin Configuration and Functions
  6. 6Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Thermal Information
    4. 6.4 Recommended Operating Conditions
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Timing Diagram
    9. 6.9 Typical Characteristics
  7. 7Detailed 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 Inputs
        1. 7.3.2.1 Analog Input: Full-Scale Range Selection
        2. 7.3.2.2 Analog Input: Single-Ended and Pseudo-Differential Configurations
      3. 7.3.3 Transfer Function
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 Serial Interface
      2. 7.5.2 Write to User-Programmable Registers
      3. 7.5.3 Data Read Operation
        1. 7.5.3.1 Reading User-Programmable Registers
        2. 7.5.3.2 Conversion Data Read
          1. 7.5.3.2.1 32-CLK, Dual-SDO Mode (CFR.B11 = 0, CFR.B10 = 0, Default)
          2. 7.5.3.2.2 32-CLK, Single-SDO Mode (CFR.B11 = 0, CFR.B10 = 1)
      4. 7.5.4 Low-Power Modes
        1. 7.5.4.1 STANDBY Mode
        2. 7.5.4.2 Software Power-Down (SPD) Mode
      5. 7.5.5 Frame Abort, Reconversion, or Short-Cycling
    6. 7.6 Register Maps
      1. 7.6.1 ADS8353-Q1 Registers
  8. 8Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Input Amplifier Selection
      2. 8.1.2 Charge Kickback Filter
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  9. 9Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
      1.      Mechanical, Packaging, and Orderable Information

6.4 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
AVDD Analog supply voltage (AVDD to AGND) VREF range, internal reference 4.5 5 5.5 V
VREF range, external reference VEXT_REF < 4.5 V 4.5 5 5.5
VREF range, external reference VEXT_REF > 4.5 V VEXT_REF 5 5.5
2x VREF range, internal reference 5 5 5.5
2x VREF range, external reference 2 x VEXT_REF 5 5.5
DVDD Digital supply voltage 1.65 3.3 5.5 V
ANALOG INPUTS (Single-Ended Configuration)
FSR Full-scale input range (AINP_x to AINM_x)(1) VREF range, single-ended input, AINM_x =  GND 0 VREF V
2x VREF range, single-ended input, AINM_x =  GND 0 2 x VREF
VINP Absolute input voltage (AINP_x to REFGND_x)(2) VREF range 0 VREF  V
2x VREF range, AVDD ≥ 2x VREF  0 2 x VREF 
VINM Absolute input voltage (AINM_x to REFGND_x) VREF range, single-ended input –0.1 0.1 V
2x VREF range, single-ended input, AVDD ≥ 2 x VREF –0.1 0.1
ANALOG INPUTS (Pseudo-Differential Configuration)
FSR Full-scale input range (AINP_x-AINM_x) VREF range, pseudo-differential input, AINM_x =  VREF/2 –VREF / 2 VREF / 2 V
2x VREF range, pseudo-differential input, AINM_x =  VREF,    AVDD ≥ 2x VREF –VREF VREF
VINP Absolute input voltage (AINP_x to REFGND_x) VREF range 0 VREF  V
Absolute input voltage (AINP_x to REFGND_x)(2) 2x VREF range, AVDD ≥ 2x VREF  0 2 x VREF 
VINM Absolute input voltage (AINM_x -REFGND_x) VREF range, pseudo-differential input VREF / 2 –0.1 VREF / 2+0.1 V
Absolute input voltage (AINM_x -REFGND_x) 2x VREF range, single-ended input, AVDD ≥ 2x VREF VREF–0.1 VREF+0.1
EXTERNAL REFERENCE INPUT
VREFIO REFIO_x(3) input voltage VREF range 2.4 2.5 AVDD  V
2x VREF range 2.4 2.5 AVDD / 2
TEMPERATURE RANGE
TA Ambient temperature –40 25 125 °C
(1) AINP_x refers to analog input pins AINP_A and AINP_B. AINM_x refers to analog input pins AINM_A and AINM_B.
(2) REFGND_x refers to reference ground pins REFGND_A and REFGND_B.
(3) REFIO_x refers to voltage reference inputs REFIO_A and REFIO_B.