38.18 AC

Table 38-26. Analog Comparator Specifications
Operating Conditions:
  • VDD = VDDIO2 = 3.0V
  • TA = 25ºC
Symbol Description Min. Typ.✝ Max. Unit Conditions
VIN Input voltage range 0.1 — VDD - 0.1 V
IL Input leakage current — 5 — nA
VOFF Input offset voltage — ±5 — mV 0.7V < VIN < (VDD - 0.7V)
— ±5 — 0.1V < VIN < (VDD - 0.1V)
CMRR Common-mode input rejection ratio — 70 — dB 0.1V < VIN < (VDD - 0.1V)
VHYST Hysteresis — 10 — mV CTRLA.HYSMODE = 0x1
— 25 — CTRLA.HYSMODE = 0x2
— 50 — CTRLA.HYSMODE = 0x3
tRESP * Response time, rising edge — 85 — ns

CTRLA.POWER = 0x0,
VCM = VDD/2
Response time, falling edge — 85 — ns
Response time, rising edge — 250 — ns

CTRLA.POWER = 0x1,
VCM = VDD/2
Response time, falling edge — 220 — ns
Response time, rising edge — 460 — ns

CTRLA.POWER = 0x2,
VCM = VDD/2
Response time, falling edge — 430 — ns

✝ Data in the “Typ.” column is at TA = 25°C and VDD = 3.0V unless otherwise specified. These parameters are not tested and are for design guidance only.

* These parameters are characterized but not tested in production.