Microchip Technology MA180025 データシート
2010 Microchip Technology Inc.
DS39933D-page 407
PIC18F87J90 FAMILY
TABLE 28-2:
COMPARATOR SPECIFICATIONS
TABLE 28-3:
VOLTAGE REFERENCE SPECIFICATIONS
TABLE 28-4:
INTERNAL VOLTAGE REGULATOR SPECIFICATIONS
TABLE 28-5:
INTERNAL LCD VOLTAGE REGULATOR SPECIFICATIONS
Operating Conditions: 3.0V
V
DD
3.6V, -40°C T
A
+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
V
ICM
Input Common Mode Voltage
0
—
AV
DD
– 1.5
V
D302
CMRR
Common Mode Rejection Ratio
55
—
—
dB
D303
T
RESP
Response Time
(1)
—
150
400
ns
D304
T
MC
2
OV
Comparator Mode Change to
Output Valid*
Output Valid*
—
—
10
s
Note 1: Response time measured with one comparator input at (AV
DD
– 1.5)/2, while the other input transitions
from V
SS
to V
DD
.
Operating Conditions: 3.0V
V
DD
3.6V, -40°C T
A
+85°C (unless otherwise stated)
Param
No.
Sym
Characteristics
Min
Typ Max
Units
Comments
D310
V
RES
Resolution
V
DD
/24
—
V
DD
/32
LSb
D311
VR
AA
Absolute Accuracy
—
—
1/2
LSb
D312
VR
UR
Unit Resistor Value (R)
—
2k
—
D313
T
SET
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
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
EFC
External Filter Capacitor Value
4.7
10
—
F
Capacitor must be
low-ESR, a low series
resistance (< 5
low-ESR, a low series
resistance (< 5
)
Operating Conditions: 2.0V
V
DD
3.6V, -40°C T
A
+85°C (unless otherwise stated)
Param
No.
Sym
Characteristics
Min
Typ Max
Units
Comments
C
FLY
Fly Back Capacitor
0.47
4.7
—
F
Capacitor must be low-ESR
V
BIAS
V
PK
-
PK
between LCDBIAS0 &
LCDBIAS3
—
3.40
3.6
V
BIAS<2:0> = 111
—
3.27
—
V
BIAS<2:0> = 110
—
3.14
—
V
BIAS<2:0> = 101
—
3.01
—
V
BIAS<2:0> = 100
—
2.88
—
V
BIAS<2:0> = 011
—
2.75
—
V
BIAS<2:0> = 010
—
2.62
—
V
BIAS<2:0> = 001
—
2.49
—
V
BIAS<2:0> = 000