Microchip Technology MA180025 データシート

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 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*
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
)
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