User's Manual

PRELIMINARY
CYBLE-224116-01
Document Number: 002-12524 PRELIMINARY Page 21 of 42
Temperature Sensor
SAR ADC
Vos_dr_DS Offset voltage drift – 20 – µV/°C
Vout_DS Output voltage 0.2 – V
DD
–0.2 V
Vcm_DS Common mode voltage 0.2 – V
DD
–1.8 V
Table 18. Opamp Specifications (continued)
Parameter Description Min Typ Max Units
Details/
Conditions
Table 19. Comparator DC Specifications
Parameter Description Min Typ Max Units
Details/
Conditions
V
OFFSET1
Input offset voltage, Factory trim – – ±10 mV
V
OFFSET2
Input offset voltage, Custom trim – – ±6 mV
V
OFFSET3
Input offset voltage, ultra-low-power mode – ±12 – mV
V
HYST
Hysteresis when enabled – 10 35 mV
V
ICM1
Input common mode voltage in normal mode 0 – V
DDD
–0.1 V Modes 1 and 2
V
ICM2
Input common mode voltage in low-power
mode
0– V
DDD
V
V
ICM3
Input common mode voltage in ultra
low-power mode
0–V
DDD
–1.15
V
CMRR Common mode rejection ratio 50 – – dB V
DDD
≥ 2.7 V
CMRR Common mode rejection ratio 42 – – dB V
DDD
≤ 2.7 V
I
CMP1
Block current, normal mode – – 400 µA
I
CMP2
Block current, low-power mode – – 100 µA
I
CMP3
Block current in ultra-low-power mode – 6 – µA
Z
CMP
DC input impedance of comparator 35 – – MΩ
Table 20. Comparator AC Specifications
Parameter Description Min Typ Max Units
Details/
Conditions
T
RESP1
Response time, normal mode, 50-mV
overdrive
–38– ns50-mV overdrive
T
RESP2
Response time, low-power mode, 50-mV
overdrive
–70– ns50-mV overdrive
T
RESP3
Response time, ultra-low-power mode,
50-mV overdrive
– 2.3 – µs 200-mV overdrive
Table 21. Temperature Sensor Specifications
Parameter Description Min Typ Max Units Details/Conditions
T
SENSACC
Temperature-sensor accuracy –5 ±1 5 °C –40 to +85 °C
Table 22. SAR ADC DC Specifications
Parameter Description Min Typ Max Units Details/Conditions
A_RES Resolution – – 12 bits