Microchip Technology MA240029 Scheda Tecnica
2010-2011 Microchip Technology Inc.
DS39996F-page 367
PIC24FJ128GA310 FAMILY
TABLE 32-11: INTERNAL VOLTAGE REGULATOR SPECIFICATIONS
Operating Conditions:
-40°C < T
A
< +85°C (unless otherwise stated)
Param
No.
Symbol
Characteristics
Min
Typ Max Units
Comments
V
RGOUT
Regulator Output Voltage
—
1.8
—
V
V
BG
Internal Band Gap Reference
1.14
1.2
1.26
V
C
EFC
External Filter Capacitor Value
4.7
10
—
F
Series resistance < 3 Ohm
recommended; < 5 Ohm
required.
recommended; < 5 Ohm
required.
T
VREG
—
10
—
s
VREGS = 1 with any POR or BOR
T
BG
Band Gap Reference Start-up
Time
Time
—
1
—
ms
V
LVR
Low-Voltage Regulator Output
Voltage
Voltage
—
1.2
—
V
RETEN = 1, LPCFG = 0
TABLE 32-12: V
BAT
OPERATING VOLTAGE SPECIFICATIONS
Param
No.
Symbol
Characteristic
Min
Typ
Max
Units
Comments
V
BT
Operating Voltage
1.8
—
3.6
V
Battery connected to the V
BAT
pin
V
BTADC
V
BAT
A/D Monitoring
Voltage Specification
(
)
1.6
—
3.6
V
A/D monitoring the V
BAT
pin using
the internal A/D channel
Note 1:
Measuring the A/D value, using the A/D, is represented by the equation:
Measured Voltage = ((V
Measured Voltage = ((V
BAT
/2)/V
DD
) * 1024) for 10-bit A/D and
Measured Voltage = ((V
BAT
/2)V
DD
) * 4096) for 12-bit A/D.
TABLE 32-13: CTMU CURRENT SOURCE SPECIFICATIONS
DC CHARACTERISTICS
Standard Operating Conditions: 2V to 3.6V (unless otherwise stated)
Operating temperature -40°C
Operating temperature -40°C
T
A
+85°C for Industrial
Param
No.
Sym
Characteristic
Min
Typ
(
Max
Units
Comments
Conditions
I
OUT
1 CTMU Current
Source, Base Range
—
550
—
nA
CTMUICON<1:0> = 00
2.5V < V
DD
< V
DDMAX
I
OUT
2 CTMU Current
Source, 10x Range
—
5.5
—
A
CTMUICON<1:0> = 01
I
OUT
3 CTMU Current
Source, 100x Range
—
55
—
A
CTMUICON<1:0> = 10
I
OUT
4 CTMU Current
Source, 1000x Range
—
550
—
A
CTMUICON<1:0> = 11
V
Voltage Change per
Degree Celsius
Degree Celsius
—
3
—
mV/°C
Note 1:
Nominal value at center point of current trim range (CTMUICON<7:2> = 000000).
2:
Do not use this current range with temperature sensing diode.