Analog Comparator Characteristics

Table 1. 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

-36 +0.4/+2 +48 mV

High speed

COMPCTRLn.SPEED = 0x3

-12 -0.1/+1 +20
VHYS (1)(3) Hysteresis

High speed

COMPCTRLn.SPEED = 0x3

58 106 140 mV
TPD (1)

Propagation Delay Vcm=Vddana/2

Vin = ±100mV overdrive from Vcm

Low power

COMPCTRLn.SPEED = 0x0

- 133 237 ns

High speed

COMPCTRLn.SPEED =0x3

- 38 73
TSTART (1) Startup time

Low power

COMPCTRLn.SPEED = 0x0

- 6.5 8.5 μs

High speed

COMPCTRLn.SPEED = 0x3

- 2 3
VSCALE (1) INL   - 0.2 - LSB
DNL   - 0.023 -
Offset Error   - 0.049 -
Gain Error   - 0.064 -
  1. These are based on characterization.
  2. Hysteresis disabled.
  3. Hysteresis enabled.
Table 2. Power Consumption(1)
Symbol Parameters Conditions Ta Typ. Max Units
IDDANA

Current consumption - VCM=VDDANA/2

±100 mV overdrive from Vcm

Voltage scaler disabled

COMPCTRLn.SPEED = 0x0

VDDANA =3.3V

Max 85°C

Typ 25°C

10 13 μA

COMPCTRLn.SPEED = 0x3

VDDANA =3.3V

39 50
Current consumption Voltage scaler only

VDDANA =3.3V

43 54
  1. These are based on characterization.