Datasheet

 2007-2012 Microchip Technology Inc. DS39778E-page 415
PIC18F87J11 FAMILY
TABLE 28-2: COMPARATOR SPECIFICATIONS
TABLE 28-3: VOLTAGE REFERENCE SPECIFICATIONS
TABLE 28-4: INTERNAL VOLTAGE REGULATOR SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 3.6V, -40°C < TA < +85°C (unless otherwise stated)
Param
No.
Sym Characteristics Min Typ Max Units Comments
D300 V
IOFF Input Offset Voltage — ±5.0 ±25 mV
D301 VICM Input Common-Mode Voltage 0 — AVDD – 1.5 V
D302 CMRR Common-Mode Rejection Ratio 55 — — dB
D303 T
RESP Response Time
(1)
—150400 ns
D304 TMC2OV Comparator Mode Change to
Output Valid
—— 10 s
D305 V
IRV Internal Reference Voltage — 1.2
(2)
—V±1.2%
Note 1: Response time is measured with one comparator input at (VDD – 1.5)/2, while the other input transitions
from V
SS to VDD.
2: The tolerance is ±1.2%.
Operating Conditions: 3.0V < V
DD < 3.6V, -40°C < TA < +85°C (unless otherwise stated)
Param
No.
Sym Characteristics Min Typ Max Units Comments
D310 V
RES Resolution VDD/24 — VDD/32 LSb
D311 VR
AA Absolute Accuracy — — 1/2 LSb
D312 VRUR Unit Resistor Value (R) — 2k — 
D313 TSET Settling Time
(1)
— — 10 s
Note 1: Settling time is measured while CVRR = 1 and the CVR<3:0> bits transition from ‘0000’ to ‘1111’.
Operating Conditions: -40°C < T
A < +85°C (unless otherwise stated)
Param
No.
Sym Characteristics Min Typ Max Units Comments
V
RGOUT Regulator Output Voltage — 2.5 — V
C
F External Filter Capacitor Value 4.7 10 — F Capacitor must be low
series resistance
(<5 Ohms)