50.14 AC Electrical Specifications

Table 50-16. Analog Comparator Electrical Specifications (1)
AC CHARACTERISTICSStandard Operating Conditions: VDD = AVDD = 1.62V to 3.63V (unless otherwise stated)

Operating temperature: -40°C ≤ TA ≤ +125°C for Extended Temp

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
CMP_5VHYST Input Hysteresis Voltage10—84mVCOMPCTRLn.HYSTEN = 0x1

COMPCTRLn.HYST = 0x0

22—120COMPCTRLn.HYSTEN = 0x1

COMPCTRLn.HYST = 0x1

37—142COMPCTRLn.HYSTEN = 0x1

COMPCTRLn.HYST = 0x2

49—164COMPCTRLn.HYSTEN = 0x1

COMPCTRLn.HYST = 0x3

CMP_15TRESPSS (3)Small Signal Response Time——13.8µs

Comparator ref voltage = AVDD/2,

COMPCTRLn.HYSTEN = 0x0,

COMPCTRLn.SPEED = 0x0,

Input overdrive = ± 100mV

—2.9

Comparator ref voltage = AVDD/2,

COMPCTRLn.HYSTEN = 0x0,

COMPCTRLn.SPEED = 0x1,

Input overdrive = ± 100mV

—1.6

Comparator ref voltage = AVDD/2,

COMPCTRLn.HYSTEN = 0x0,

COMPCTRLn.SPEED = 0x2,

Input overdrive = ± 100 mV

—0.84

Comparator ref voltage = AVDD/2,

COMPCTRLn.HYSTEN = 0x0,

COMPCTRLn.SPEED = 0x3,

Input overdrive = ± 100 mV

CMP_19COUTVALComparator Enabled to Output Valid——81µs

COMPCTRLn.SPEED = 0x0

—4.7

COMPCTRLn.SPEED = 0x1

—3.2

COMPCTRLn.SPEED = 0x2

—2.7

COMPCTRLn.SPEED = 0x3

Note:
  1. Typical values at 25°C only.
  2. Comparator Ref voltage cannot exceed (VIN(max) - VIOFF(max) - CMP_5(max) - 50 mV) ≥ CVREFRNG ≥ (VIN(min) + abs(VIOFF(min)) + (CMP_5(max) + 50 mV)) .
  3. TRESPSS_XX is measured from VIN transition to CMPx output toggle. It takes into account only analog propagation delay.