47.4.6 Analog Comparator Characteristics

Table 47-15. Analog Comparator Characteristics
Symbol Parameters Conditions Min Typ Max Unit
PNIVR Positive and Negative input range voltage 0 - VDDANA V
ICMR Input common mode range 0 - VDDANA V
Off (1)(2) Offset

Low power

COMPCTRLn.SPEED = 0x0

-55 -4/+2 51 mV

High speed

COMPCTRLn.SPEED = 0x3

-22 -2/+1 20
VHYS (1)(3) Hysteresis

High speed

COMPCTRLn.SPEED = 0x3

39 106 156 mV
TPD (1, 4)

Propagation Delay Vcm=Vddana/2

Vin = ±100mV overdrive from Vcm

Low power

COMPCTRLn.SPEED = 0x0

- 149 268 ns

High speed

COMPCTRLn.SPEED =0x3

- 41 73
TSTART (1) Startup time

Low power

COMPCTRLn.SPEED = 0x0

- 6.8 10.4 μs

High speed

COMPCTRLn.SPEED = 0x3

- 2.2 3.7
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.