JAJSFT4C August 2018 – June 2019 ADS9224R , ADS9234R
PRODUCTION DATA.
The device output is in two's compliment format. Table 1 and Figure 38 show the ideal transfer characteristics for the device. Equation 3 gives the least significant bit (LSB) for the ADC.
where
STEP | INPUT VOLTAGE
(AINP_x-AINM_x) |
CODE | DESCRIPTION | IDEAL OUTPUT CODE (R = 16) | IDEAL OUTPUT CODE (R = 14) |
---|---|---|---|---|---|
A | ≤ –(1.6384 × VREFOUT – 1 LSB) | NFSC | Negative full-scale code | 8000 | 2000 |
B | 0 LSB to 1 LSB | MC | Mid code | 0000 | 0000 |
C | ≥ (1.6384 × VREFOUT – 1 LSB) | PFSC | Positive full-scale code | 7FFF | 1FFF |