SLASFC9 December 2024 MSPM0L1117
ADVANCE INFORMATION
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
Vin(ADC) | Analog input voltage range(1) | Applies to all ADC analog input pins | 0 | VDD | V | |
VR+ | Positive ADC reference voltage | VR+ sourced from VDD | VDD | V | ||
VR+ sourced from external reference pin (VREF+) | 1.4 | VDD | V | |||
VR+ sourced from internal reference (VREF) | VREF | V | ||||
VR- | Negative ADC reference voltage | 0 | V | |||
FS | ADC sampling frequency | RES = 0x0 (12-bit mode), External Reference | 1.68 | Msps | ||
FS | ADC sampling frequency | External reference (3), HW Averaging Enabled, 16 Samples and 2bit shift | 105 | Ksps | ||
FS | ADC sampling frequency | RES = 0x0 (12-bit mode), Internal Reference | 200 | ksps | ||
I(ADC)(2) | Operating supply current into VDD terminal |
FS = 1.68MSPS, Internal reference OFF, VR+ = VDD | 570 | μA | ||
FS = 200ksps, Internal reference ON, VR+ = VREF = 2.5V | 320 | |||||
Rin | ADC input resistance | 0.5 | kΩ | |||
CS/H | ADC sample-and-hold capacitance | 4.3 | pF | |||
ENOB | Effective number of bits | Fin = 10kHz, External reference (3) | 11.0 | 11.1 | bit | |
Fin = 5kHz, External reference (3), HW Averaging Enabled, 16 Samples and 2bit shift | 12.3 | |||||
Fin = 10kHz, Internal reference, VR+ = VREF = 2.5V | 10 | 10.2 | ||||
SNR | Signal-to-noise ratio | Fin = 10kHz, External reference (3) | 68 | 71 | dB | |
Fin = 5kHz, External reference (3), HW Averaging Enabled, 16 Samples and 2bit shift | 76 | |||||
Fin = 10kHz, Internal reference, VR+ = VREF = 2.5V | 63 | 65 | ||||
PSRRDC | Power supply rejection ratio, DC | External reference (3), VDD = VDD(min) to VDD(max) | 63 | 68 | dB | |
VDD = VDD(min) to VDD(max) Internal reference, VR+ = VREF = 2.5V |
50 | 60 | ||||
PSRRAC | Power supply rejection ratio, AC | External reference (3), ΔVDD = 0.1 V at 1 kHz | 61 | dB | ||
ΔVDD = 0.1 V at 1 kHz Internal reference, VR+ = VREF = 2.5V |
55 | |||||
Twakeup | ADC Wakeup Time | Assumes internal reference is active | 5 | us | ||
VSupplyMon | Supply Monitor voltage divider (VDD/3) accuracy | ADC input channel: Supply Monitor(4) | -1.5 | +1.5 | % | |
ISupplyMon | Supply Monitor voltage divider current consumption | ADC input channel: Supply Monitor | 10 | uA |