SLAAE93 February   2023 MSPM0G1105 , MSPM0G1106 , MSPM0G1107 , MSPM0G1505 , MSPM0G1506 , MSPM0G1507 , MSPM0G3105 , MSPM0G3106 , MSPM0G3107 , MSPM0G3505 , MSPM0G3506 , MSPM0G3507 , MSPM0L1105 , MSPM0L1106 , MSPM0L1303 , MSPM0L1304 , MSPM0L1304-Q1 , MSPM0L1305 , MSPM0L1305-Q1 , MSPM0L1306 , MSPM0L1306-Q1 , MSPM0L1343 , MSPM0L1344 , MSPM0L1345 , MSPM0L1346

 

  1.   Trademarks
  2. 1MSPM0 Family Overview
  3. 2MSPM0 Main Analog Features
    1. 2.1 Best-in-Class 12-Bit ADC Integrated
    2. 2.2 Dual Mode Comparator With Reference DAC
    3. 2.3 Buffered 12-Bit 1-Msps DAC
    4. 2.4 Zero-Drift and Zero-Crossover Chopper OPA
  4. 3Easily and Flexibly Create the System With MSPM0 Analog Peripherals
    1. 3.1 ADC Sample and Conversion
    2. 3.2 Differential and Cascade OPA Configurations
    3. 3.3 Window Comparator Mode
    4. 3.4 Internal Connections Between Different Analog Peripherals
  5. 4Analog Comparison With STM32
  6. 5References

2.4 Zero-Drift and Zero-Crossover Chopper OPA

MSPM0L and MSPM0G devices integrate two high-performance OPAs, and a TIA is supported in MSPM0L134x variants. The MSPM0 OPA provides a variety of input channels for noninverting and inverting scenarios. The MSPM0 OPA supports chopping mode, which has standard chopping and ADC assistant chopping. The burnout current source (BCS) is supported to monitor the input signal of the sensor and detect if the sensor works well or not. #FIG_HNS_ZJP_VVB shows the key attributes of the MSPM0 OPA.

Figure 2-4 MSPM0 OPA Main Features