38.5.9 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 -0.2 — VDD V
IL Input leakage current — 5 — nA
VOFF Input offset voltage -15 ±5 15 mV 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 — 85 120 ns

CTRLA.POWER = 0x0,

VCM = VDD/2
Response time, falling edge — 85 120 ns
Response time, rising edge — 250 350 ns

CTRLA.POWER = 0x1,

VCM = VDD/2
Response time, falling edge — 220 300 ns
Response time, rising edge — 460 680 ns

CTRLA.POWER = 0x2,

VCM = VDD/2
Response time, falling edge — 430 550 ns

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

* These parameters are characterized but not tested in production.