47.4.6 Analog Comparator Characteristics

Table 47-15. Analog Comparator Characteristics
SymbolParametersConditionsMinTypMaxUnit
PNIVRPositive and Negative input range voltage 0-VDDANAV
ICMRInput common mode range0-VDDANAV
Off (1)(2)Offset

Low power

COMPCTRLn.SPEED = 0x0

-55-4/+251mV

High speed

COMPCTRLn.SPEED = 0x3

-22-2/+120
VHYS (1)(3)Hysteresis

High speed

COMPCTRLn.SPEED = 0x3

39106156mV
TPD (1, 4)

Propagation Delay Vcm=Vddana/2

Vin = ±100mV overdrive from Vcm

Low power

COMPCTRLn.SPEED = 0x0

-149268ns

High speed

COMPCTRLn.SPEED =0x3

-4173
TSTART (1)Startup time

Low power

COMPCTRLn.SPEED = 0x0

-6.810.4μs

High speed

COMPCTRLn.SPEED = 0x3

-2.23.7
VSCALE (1)INL-0.569-LSB
DNL-0.053-
Offset Error-0.042-
Gain Error-0.041-
  1. These are based on characterization.
  2. Hysteresis disabled.
  3. Hysteresis enabled.
  4. Tpd is measured from Vin transition to ACOUT (AC direct output) toggle. It takes into account only analog propagation delay.