SLASF96 April   2024 AFE20408

PRODUCTION DATA  

  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 Digital-to-Analog Converter (DAC) Overview
        1. 6.3.1.1 DAC Resistor String
        2. 6.3.1.2 DAC Register Structure
          1. 6.3.1.2.1 DAC Synchronous Operation
        3. 6.3.1.3 DAC Buffer Amplifier
          1. 6.3.1.3.1 Autorange Detection
          2. 6.3.1.3.2 Power-Supply Monitoring
      2. 6.3.2 Analog-to-Digital Converter (ADC)
        1. 6.3.2.1 Versatile High-Voltage Measurement Capability
        2. 6.3.2.2 High-Precision Delta-Sigma ADC
          1. 6.3.2.2.1 ADC Custom Channel Sequencer
        3. 6.3.2.3 Low Latency Digital Filter
        4. 6.3.2.4 Flexible Conversion Times and Averaging
        5. 6.3.2.5 Integrated Precision Oscillator
      3. 6.3.3 Output Switch Overview
      4. 6.3.4 Drain Switch Control
      5. 6.3.5 FLEXIO Pin
      6. 6.3.6 Internal Temperature Sensor
      7. 6.3.7 Programmable Out-of-Range Alarms
        1. 6.3.7.1 Temperature Sensor Alarm Function
        2. 6.3.7.2 Supply Out-of-Range Alarm Function
        3. 6.3.7.3 ADC Alarm Function
    4. 6.4 Device Functional Modes
      1. 6.4.1 All-Positive DAC Range Mode
      2. 6.4.2 All-Negative DAC Range Mode
      3. 6.4.3 Mixed DAC Range Mode
    5. 6.5 Programming
      1. 6.5.1 I2C Serial Interface
        1. 6.5.1.1 I2C Bus Overview
        2. 6.5.1.2 I2C Bus Definitions
        3. 6.5.1.3 I2C Target Address Selection
        4. 6.5.1.4 I2C Read and Write Operations
        5. 6.5.1.5 I2C Timeout Function
        6. 6.5.1.6 I2C General-Call Reset
      2. 6.5.2 Serial Peripheral Interface (SPI)
        1. 6.5.2.1 SPI Bus Overview
  8. 7 Register Maps
    1. 7.1 Global Register Map
      1. 7.1.1 Global Registers: Global Page
        1. 7.1.1.1  NOP_RESET Register (address = 00h) [reset = 0000h]
        2. 7.1.1.2  PAGE Register (address = 01h) [reset = 0000h]
        3. 7.1.1.3  GEN_STATUS Register (address = 03h) [reset = 4000h]
        4. 7.1.1.4  ALARM_STATUS_0 Register (address = 04h) [reset = 0000h]
        5. 7.1.1.5  ALARM_STATUS_1 Register (address = 05h) [reset = 0000h]
        6. 7.1.1.6  PWR_STATUS_0 Register (address = 06h) [reset = 0001h]
        7. 7.1.1.7  PWR_STATUS_1 Register (address = 07h) [reset = 0000h]
        8. 7.1.1.8  PWR_EN Register (address = 08h) [reset = 0200h]
        9. 7.1.1.9  TRIGGER Register (address = 10h) [reset = 0000h]
        10. 7.1.1.10 GPIO_DATA Register (address = 11h) [reset = 0001h]
        11. 7.1.1.11 DRVEN_SW_EN Register (address = 12h) [reset = 00FFh]
        12. 7.1.1.12 DRVEN Register (address = 13h) [reset = 0000h]
        13. 7.1.1.13 DAC_BCAST Register (address = 14h) [reset = 0000h]
        14. 7.1.1.14 GLOBAL_CFG Register (address = 17h) [reset = 0000h]
        15. 7.1.1.15 ADC_SENSE0 Register (address = 18h) [reset = 0000h]
        16. 7.1.1.16 ADC_SENSE1 Register (address = 19h) [reset = 0000h]
        17. 7.1.1.17 ADC_ADC0 Register (address = 1Ah) [reset = 0000h]
        18. 7.1.1.18 ADC_ADC1 Register (address = 1Bh) [reset = 0000h]
        19. 7.1.1.19 ADC_TMP Register (address = 1Ch) [reset = 0000h]
    2. 7.2 General Configuration Register Map
      1. 7.2.1 General Configuration Registers: Page 0
        1. 7.2.1.1  CHIP_ID Register (address = 40h) [reset = 2480h]
        2. 7.2.1.2  CHIP_VER Register (address = 41h) [reset = 0000h]
        3. 7.2.1.3  SDO_EN Register (address = 42h) [reset = 0000h]
        4. 7.2.1.4  GEN_CFG_0 Register (address = 44h) [reset = 0010h]
        5. 7.2.1.5  GEN_CFG_1 Register (address = 45h) [reset = 1101h]
        6. 7.2.1.6  ALARMOUT_SRC_0 Register (address = 48h) [reset = 0000h]
        7. 7.2.1.7  ALARMOUT_SRC_1 Register (address = 49h) [reset = 1833h]
        8. 7.2.1.8  ALARM_STATUS_0_BYP Register (address = 4Ch) [reset = 0000h]
        9. 7.2.1.9  ALARM_STATUS_1_BYP Register (address = 4Dh) [reset = 0000h]
        10. 7.2.1.10 PAON_SRC_0 Register (address = 50h) [reset = 0000h]
        11. 7.2.1.11 PAON_SRC_1 Register (address = 51h) [reset = 1833h]
        12. 7.2.1.12 RESET_FLAGS Register (Offset = 70h) [Reset = 000Fh]
    3. 7.3 ADC Configuration Register Map
      1. 7.3.1 ADC Configuration Registers: Page 1
        1. 7.3.1.1  ADC_GEN_CFG Register (address = 40h) [reset = 3334h]
        2. 7.3.1.2  ADC_CONV_CFG_0 Register (address = 41h) [reset = 0555h]
        3. 7.3.1.3  ADC_CONV_CFG_1 Register (address = 42h) [reset = 0000h]
        4. 7.3.1.4  ADC_BYP Register (address = 44h) [reset = 0000h]
        5. 7.3.1.5  ADC_HYST_0 Register (address = 46h) [reset = 0808h]
        6. 7.3.1.6  ADC_HYST_1 Register (address = 47h) [reset = 0008h]
        7. 7.3.1.7  SENSE0_UP_THRESH Register (address = 50h) [reset = 7FFFh]
        8. 7.3.1.8  SENSE0_LO_THRESH Register (address = 51h) [reset = 8000h]
        9. 7.3.1.9  SENSE1_UP_THRESH Register (address = 52h) [reset = 7FFFh]
        10. 7.3.1.10 SENSE1_LO_THRESH Register (address = 53h) [reset = 8000h]
        11. 7.3.1.11 ADC0_UP_THRESH Register (address = 54h) [reset = 7FFFh]
        12. 7.3.1.12 ADC0_LO_THRESH Register (address = 55h) [reset = 0000h]
        13. 7.3.1.13 ADC1_UP_THRESH Register (address = 56h) [reset = 7FFFh]
        14. 7.3.1.14 ADC1_LO_THRESH Register (address = 57h) [reset = 0000h]
        15. 7.3.1.15 TMP_UP_THRESH Register (address = 58h) [reset = 7FFFh]
    4. 7.4 ADC Custom Channel Sequencer Configuration Register Map
      1. 7.4.1 ADC CCS Registers: Page 3
        1. 7.4.1.1 ADC_CCS_IDS_n Registers (address = 40h to 7Eh) [reset = see ]
        2. 7.4.1.2 ADC_CCS_CFG_0 Register (address = 7Fh) [reset = 0004h]
    5. 7.5 DAC Configuration Register Map
      1. 7.5.1 DAC Configuration Registers: Page 3
        1. 7.5.1.1  DAC_CURRENT Register (address = 40h) [reset = 0000h]
        2. 7.5.1.2  DAC_SYNC_CFG Register (address = 41h) [reset = 0000h]
        3. 7.5.1.3  DAC_CFG Register (address = 42h) [reset = 0000h]
        4. 7.5.1.4  DAC_APD_EN Register (address = 43h) [reset = AAFFh]
        5. 7.5.1.5  DACA_APD_SRC_0 Register (address = 44h) [reset = 0000h]
        6. 7.5.1.6  DACA_APD_SRC_1 Register (address = 45h) [reset = 1833h]
        7. 7.5.1.7  OUTA_APD_SRC_0 Register (address = 46h) [reset = 0000h]
        8. 7.5.1.8  OUTA_APD_SRC_1 Register (address = 47h) [reset = 1833h]
        9. 7.5.1.9  DACB_APD_SRC_0 Register (address = 48h) [reset = 0000h]
        10. 7.5.1.10 DACB_APD_SRC_1 Register (address = 49h) [reset = 1833h]
        11. 7.5.1.11 OUTB_APD_SRC_0 Register (address = 4Ah) [reset = 0000h]
        12. 7.5.1.12 OUTB_APD_SRC_1 Register (address = 4Bh) [reset = 1833h]
        13. 7.5.1.13 DAC_CODE_LIMIT_0 Register (address = 4Ch) [reset = 3F3Fh]
        14. 7.5.1.14 DAC_CODE_LIMIT_1 Register (address = 4Dh) [reset = 3F3Fh]
        15. 7.5.1.15 DAC_CODE_LIMIT_2 Register (address = 4Eh) [reset = 3F3Fh]
        16. 7.5.1.16 DAC_CODE_LIMIT_3 Register (address = 4Fh) [reset = 3F3Fh]
        17. 7.5.1.17 DRVEN0_EN Register (address = 50h) [reset = 0000h]
        18. 7.5.1.18 DRVEN1_EN Register (address = 51h) [reset = 0000h]
        19. 7.5.1.19 FLEXIO_EN Register (address = 52h) [reset = 0000h]
    6. 7.6 DAC Buffer Register Map
      1. 7.6.1 DAC Buffer Data Registers: Page 4
        1. 7.6.1.1 DACA/Bn Buffer Registers (address = 40h to 47h) [reset = 0000h]
    7. 7.7 DAC Active Register Map
      1. 7.7.1 DAC Active Data Registers: Page 4
        1. 7.7.1.1 DACA/Bn Active Register (address = 40h to 47h) [reset = 0000h]
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Output Switching Timing
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 ADC Input Conditioning
        2. 8.2.2.2 Quiescent Current and Total Power Consumption
          1. 8.2.2.2.1 Maximum VCC/VSS Supply Current Transients
          2. 8.2.2.2.2 DAC Load Stability
        3. 8.2.2.3 Disabling PA Drain Voltage
        4. 8.2.2.4 PAON External Circuit
      3. 8.2.3 Application Curves
        1. 8.2.3.1 DAC Load Stability
        2. 8.2.3.2 Start-Up Behavior
    3. 8.3 Initialization Setup
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Diagram
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

5.9 Typical Characteristics

at TA = 25°C, VDD = 5V, VIO = 3.3V, negative output range: VCC = GND, VSS = –11V, and DAC outputs unloaded (unless otherwise noted)

GUID-20230105-SS0I-VJXJ-PFMN-6S66SMWKKB7M-low.svg
 
Figure 5-3 DAC DNL vs Digital Input Code
GUID-20230105-SS0I-VXZL-LMDW-4MS52KZTN4BH-low.svg
 
Figure 5-5 DAC TUE vs Digital Input Code
GUID-20240122-SS0I-LSRF-LKC0-C9RN75NTNCHX-low.svg
 
Figure 5-7 DAC INL vs Temperature
GUID-20240122-SS0I-3MN7-2JFC-LKPZCLFHFVXH-low.svg
 
Figure 5-9 DAC Offset Error vs Temperature
GUID-20240122-SS0I-4RFN-NXBC-J58VGPT01PJX-low.svg
DAC code = 0x1FFF
Figure 5-11 DAC Zero-Scale Error vs Temperature
GUID-20230105-SS0I-PGRC-GS9F-FMPRXJZ6HTM1-low.svg
DAC code = 0x1FFF
Figure 5-13 DAC Headroom vs High-Mode Sourcing Current
GUID-20230105-SS0I-LQT2-NKWQ-5PHKJC5NNQ4B-low.svg
 
Figure 5-15 DAC Headroom vs Normal-Mode Sourcing Current
GUID-20230105-SS0I-LPH2-SKFK-GH1VXP1SSDN4-low.svg
DAC code = 0x1FFF
Figure 5-17 DAC Headroom vs Low-Mode Sourcing Current
GUID-20230105-SS0I-RHBC-DQ26-50CGHRB9BH3R-low.svg
DAC code = 0x1000
Figure 5-19 Source and Sink Current Capability
GUID-20230105-SS0I-NZXG-4WS6-ZHTNSSH337RV-low.svg
DAC code = 0x1000
Figure 5-21 DAC Output Noise, 0.1Hz to 10Hz
GUID-20240122-SS0I-1DHV-MCVM-TQLTTQ5LQXPL-low.svg
 
 
Figure 5-23 Switch Resistance vs Temperature
GUID-20240122-SS0I-VDF0-FPFM-N0XDJPDX8VLP-low.svg
DACA1 output: –2.5V CL = 1nF
VSS: –7V
Figure 5-25 OUT Pin: DACA1 to VSS Switch Response
GUID-20240122-SS0I-ZXKW-WMQS-VVFMWCZ5M2T6-low.svg
–
Figure 5-27 ADC Input Offset Error vs Temperature
GUID-20240122-SS0I-DB3T-WVNW-KFH8WLZJ1RJT-low.svg
 
Figure 5-29 Shunt Offset Error vs Temperature
GUID-20230105-SS0I-HTDM-FFJM-JKGV2CJJ3KDX-low.svg
 
Figure 5-31 Shunt Input Offset Error vs Common-Mode Voltage
GUID-20230105-SS0I-TK1D-6FN4-7XQWP3BDFD1Q-low.svg
   
Figure 5-33 Local Temperature Sensor Error vs Temperature
GUID-20230105-SS0I-FQJF-NKQR-F4NT0QXWZNLT-low.svg
 
Figure 5-35 VSS AC Power Supply Rejection Ratio
GUID-20230105-SS0I-8SQ0-FCLZ-H7WJ3M7K8NK4-low.svg
 
Figure 5-37 VDD AC Power Supply Rejection Ratio
GUID-20231129-SS0I-MJZH-SB13-LTLG5TJFZN64-low.svg
VCC = 5.5V
Figure 5-39 VCC Supply Collapse Response
GUID-20231129-SS0I-LZXP-SWHM-60NSSS6PNKPJ-low.svg
VIO = 1.8V
Figure 5-41 VIO Supply Collapse Response
GUID-20231129-SS0I-1SPF-TCGK-64HRQ0HGHMNJ-low.svg
 
Figure 5-43 PAON Supply Response (Device Start-Up, Negative Range)
GUID-20230105-SS0I-K07F-CRXP-2GMQLBP6M02V-low.svg
 
Figure 5-4 DAC INL vs Digital Input Code
GUID-20240122-SS0I-SMPB-Q5XK-XFRJQJ2RCFLD-low.svg
 
Figure 5-6 DAC DNL vs Temperature
GUID-20240206-SS0I-WP9F-RHGR-FDTSSG9SMTGM-low.svg
 
Figure 5-8 DAC Total Unadjusted Error vs Temperature
GUID-20240122-SS0I-9KPH-FZQQ-FFQ9WGMTH1NB-low.svg
 
Figure 5-10 DAC Gain Error vs Temperature
GUID-20240122-SS0I-NMLD-KD9Q-D8SPRFLW7PB5-low.svg
DAC code = 0x0000
Figure 5-12 DAC Full-Scale Error vs Temperature
GUID-20230105-SS0I-THW8-6ZZJ-DHDJDT1QSHXP-low.svg
DAC code = 0x0000
Figure 5-14 DAC Headroom vs High-Mode Sinking Current
GUID-20230105-SS0I-NZLB-SV72-M7BHTRCXZTQT-low.svg
 
Figure 5-16 DAC Headroom vs Normal-Mode Sinking Current
GUID-20230105-SS0I-WDV6-2QXB-HPGSKQ9GWD0F-low.svg
DAC code = 0x0000
Figure 5-18 DAC Headroom vs Low-Mode Sinking Current
GUID-20230105-SS0I-PH7J-D6SG-LJDMCQLPZVML-low.svg
DAC step size: –5V to –2.5V
Figure 5-20 DAC Settling Time vs Capacitive Load
GUID-20230105-SS0I-V65H-CZXQ-CVC3KSCNN6S0-low.svg
DAC code = 0x1000
Figure 5-22 DAC Output Noise Density vs Frequency
GUID-20240122-SS0I-CLP4-C70N-P2QK8WKHX7WR-low.svg
DACA0 output: –2.5V CL = 1nF
VSS: –7V
Figure 5-24 OUT Pin: DAC to VSS Switch Response
GUID-20240122-SS0I-MVQ7-PR8F-CLK0DXCBXW8N-low.svg
DACA0 output: –2.5V CL = 1nF
DACA1 output: –7V
Figure 5-26 OUT Pin: DAC to DAC Switch Response
GUID-20240122-SS0I-CZCN-9KGZ-7GGT1VKRBFG7-low.svg
 
Figure 5-28 ADC Input Gain Error vs Temperature
GUID-20240122-SS0I-K7WV-X9JV-ZVD6R1HSN3W7-low.svg
 
Figure 5-30 Shunt Gain Error vs Temperature
GUID-20230105-SS0I-MVZV-WWN4-ZXJTJ7N05BKR-low.svg
 
Figure 5-32 Shunt Input Gain Error vs Common-Mode Voltage
GUID-20240122-SS0I-42LV-GRQR-HCTMGFPQMXCD-low.svg
 
Figure 5-34 Common-Mode Rejection Ratio vs Temperature
GUID-20230105-SS0I-B1J7-L95G-SL5QDCNCHPXB-low.svg
 
Figure 5-36 VCC AC Power Supply Rejection Ratio
GUID-20231129-SS0I-CXBR-KMDC-ZCRSVQBDTQRH-low.svg
VSS = –10V
Figure 5-38 VSS Supply Collapse Response
GUID-20231129-SS0I-NL3G-KR2L-MXRQVWKVBNVR-low.svg
VDD = 5V
Figure 5-40 VDD Supply Collapse Response
GUID-20231129-SS0I-8LKT-FVZC-B7FC8WTTDGSW-low.svg
 
Figure 5-42 PAON Supply Response (Device Start-Up, Positive Range)