43.22 Comparator AC Electrical Specifications

Table 43-27. Comparator AC Electrical Specifications
AC Characteristics Standard Operating Conditions: VDDIO = VDDANA 1.9V to 3.6V (unless otherwise stated) Operating Temperature: -40°C ≤ TA ≤ +85°C for Industrial Temp

-40°C ≤ TA ≤ +125°C for Extended Temp
Param. No. Symbol Characteristics Min. Typ.(1) Max. Units Conditions
CMP_1 VIOFF_00 Input offset voltage -16 16 mV VDDANA = VDDIO (min-to-max)
CMP_3 VICM Input Common mode voltage 0 AVDD V VDDANA = VDDIO (min-to-max)
CMP_4 VIN Input voltage range AVSS AVDD V With respect to GND and VDDANA
CMP_15 TRESPSS Small signal response time 100 160 ns VDDANA = VDDIO (min-to-max), Comparator ref voltage = VDDANA/2, Input overdrive = ± 100 mV
CMP_19 COUTVAL Comparator enabled to output valid 31 μs Comparator module is configured before enabling it
CMP_21 ACIREF Comparator internal band gap voltage reference 1.164 1.236 V

VDDANA = 3.3V,

T = 25°C

(±-3%) - Uncalibrated

CMP_22 1.194 1.206 V

VDDANA = 3.3V,

T = 25°C

(±-0.5%) - Calibrated

CMP_23 CVREFRNG Comparator voltage reference input range AVSS AVDD V
CMP_25 FGCLK_AC Analog comparator peripheral module clock freq 64 MHz VDDANA = VDDIO (min-to-max)
Note:
  1. These parameters are characterized but not tested in manufacturing.
  2. Values in typical column area taken at 25°C.
  3. Comparator Ref voltage cannot exceed: (VIN(max) – VIOFF(max) – CMP_5(max) - 50 mV) ≥ CMP VREF ≥ (VIN(min) + VIOFF(min) + CMP_5(max) + 50 mV)