Datasheet

MSP430F471x3, MSP430F471x6, MSP430F471x7
MIXED SIGNAL MICROCONTROLLER
SLAS626C -- OCTOBER 2008 -- REVISED MARCH 2011
38
POST OFFICE BOX 655303  DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
SVS (supply voltage supervisor/monitor) (see Note 1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
dV
CC
/dt  30 V/ms (see Figure 11) 5 150 s
t
(SVSR)
dV
CC
/dt  30 V/ms 2000 s
t
d(SVSon)
SVSon, switch from VLD = 0 to VLD  0, V
CC
=3V 150 300 s
t
settle
VLD  0(seeNote2) 12 s
V
(SVSstart)
VLD  0, V
CC
/dt  3 V/s (see Figure 11) 1.55 1.7 V
VLD = 1 70 120 155 mV
V
h
y
s
(
S
V
SIT--
)
V
CC
/dt  3 V/s (see Figure 11)
VLD=2to14
V
(SVS_IT--)

0.001
V
(SVS_IT--)

0.016
V
h
y
s
(
S
V
S
_
I
T
--
)
V
CC
/dt  3 V/s (see Figure 11),
External voltage applied on A7
VLD = 15 4.4 10.4 mV
VLD = 1 1.8 1.9 2.05
VLD = 2 1.94 2.1 2.25
VLD = 3 2.05 2.2 2.37
VLD = 4 2.14 2.3 2.48
VLD = 5 2.24 2.4 2.6
VLD = 6 2.33 2.5 2.71
V
/
d
t

3
V
/
s
(
s
e
e
F
i
g
u
r
e
1
1
)
VLD = 7 2.46 2.65 2.86
V
(
S
V
S
I
T
)
V
CC
/
dt  3V
/
s (see Figure 11)
VLD = 8 2.58 2.8 3
V
V
(SVS_IT--)
VLD = 9 2.69 2.9 3.13
V
VLD = 10 2.83 3.05 3.29
VLD = 11 2.94 3.2 3.42
VLD = 12 3.11 3.35 3.61
†
VLD = 13 3.24 3.5 3.76
†
VLD = 14 3.43 3.7
†
3.99
†
V
CC
/dt  3 V/s (see Figure 11),
External voltage applied on A7
VLD = 15 1.1 1.2 1.3
I
CC(SVS)
(see Note 1)
VLD  0, V
CC
=2.2V/3V 10 15 A
†
The recommended operating voltage range is limited to 3.6 V.
NOTES: 1. The current consumption of the SVS module i s not included in the I
CC
current consumption data.
2. t
settle
is the settling time that the comparator output needs to have a stable level after VLD is switched VLD  0 to a different VLD
value somewhere between 2 and 15. The overdrive is assumed to be > 50 mV.