JAJSUK7 May 2024 MSPM0L1228-Q1 , MSPM0L2228-Q1
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 | ||
I(ADC)(2) | Operating supply current into VDD terminal |
FS = 1.68MSPS, Internal reference OFF, VR+ = VDD | 460 | 600 | μA | |
FS = 200ksps, Internal reference ON, VR+ = VREF = 2.5V | 300 | 435 | ||||
CS/H | ADC sample-and-hold capacitance | 3.3 | pF | |||
Rin | ADC input resistance | 0.5 | kΩ | |||
ENOB | Effective number of bits | External reference (3) | 11.0 | 11.1 | bit | |
Internal reference, VR+ = VREF = 2.5V | 10 | 10.2 | ||||
SNR | Signal-to-noise ratio | External reference (3) | 68 | 71 | dB | |
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 |
49 | 55 | ||||
PSRRAC | Power supply rejection ratio, AC | External reference (3), ΔVDD = 0.1V at 1kHz | 61 | dB | ||
ΔVDD = 0.1V at 1kHz Internal reference, VR+ = VREF = 2.5V |
49 | |||||
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 | µA | ||
VSupplyMon | Supply Monitor voltage divider (VBAT/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 | µA |