Datasheet

© 2009 Microchip Technology Inc. DS39775C-page 433
PIC18F87J50 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 ±10 mV
D301 VICM Input Common Mode Voltage 0 — AVDD – 1.5 V
V
IRV Internal Reference Voltage — ±1.2
(2)
—V±1.2%
D302 CMRR Common Mode Rejection Ratio 55 — — dB
300 TRESP Response Time
(1)
—150400 ns
301 T
MC2OV Comparator Mode Change to
Output Valid
—— 10 μs
Note 1: Response time measured with one comparator input at (V
DD – 1.5)/2, while the other input transitions
from V
SS to VDD.
2: Tolerance is ±1.2%.
Operating Conditions: 3.0V < VDD < 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 — Ω
310 TSET Settling Time
(1)
— — 10 μs
Note 1: Settling time measured while CVRR = 1 and CVR3:CVR0 bits transition from ‘0000’ to ‘1111’.
Operating Conditions: -40°C < TA < +85°C (unless otherwise stated)
Param
No.
Sym Characteristics Min Typ Max Units Comments
V
RGOUT Regulator Output Voltage 2.45 2.5 — V VDD, ENVREG = 3.0V
CEFC External Filter Capacitor Value 4.7 10 — μF Capacitor must be low-ESR