Datasheet

PIC18F87K22 FAMILY
DS39960D-page 500  2011 Microchip Technology Inc.
TABLE 31-2: COMPARATOR SPECIFICATIONS
TABLE 31-3: VOLTAGE REFERENCE SPECIFICATIONS
TABLE 31-4: INTERNAL VOLTAGE REGULATOR SPECIFICATIONS
Operating Conditions: 1.8V  VDD  5V, -40°C  TA  +125°C (unless otherwise stated)
Param
No.
Sym Characteristics Min Typ Max Units Comments
D300 VIOFF Input Offset Voltage — ±5.0 40 mV
D301 V
ICM Input Common Mode Voltage — — AVDD – 1.5 V
D302 CMRR Common Mode Rejection Ratio 55 — — dB
D303 T
RESP Response Time
(1)
— 150 400 ns
D304 T
MC2OV Comparator Mode Change to
Output Valid*
—— 10 s
Note 1: Response time measured with one comparator input at (AVDD – 1.5)/2, while the other input transitions
from V
SS to VDD.
Operating Conditions: 1.8V  VDD  5V, -40°C  TA  +125°C (unless otherwise stated)
Param
No.
Sym Characteristics Min Typ Max Units Comments
D310 VRES Resolution — V DD /32 —LSb
D311 VR
AA Absolute Accuracy — — 1/2 LSb
D312 VR
UR Unit Resistor Value (R) — 2k — 
D313 TSET Settling Time
(1)
— — 10 s
Note 1: Settling time measured while CVRR = 1 and CVR<3:0> transitions from ‘0000’ to ‘1111’.
Operating Conditions: -40°C  TA  +125°C (unless otherwise stated)
Param
No.
Sym Characteristics Min Typ Max Units Comments
VRGOUT Regulator Output Voltage — 3.3 — V
C
EFC External Filter Capacitor Value 4.7 10 — F Capacitor must be
low-ESR, a low series
resistance (< 5
)