Datasheet

MSP430F15x, MSP430F16x, MSP430F161x
MIXED SIGNAL MICROCONTROLLER
SLAS368G − OCTOBER 2002 − REVISED MARCH 2011
31
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
wake-up LPM3
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
(LPM3)
Delay time V
CC
= 2.2 V/3 V, f
DCO
≥ f
DCO43
6 μs
RAM
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VRAMh See Note 1 CPU HALTED 1.6 V
NOTE 1: This parameter defines the minimum supply voltage when the data in program memory RAM remain unchanged. No program execution
should take place during this supply voltage condition.
Comparator_A (see Note 1)
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX UNIT
I
CAON=1 CARSEL=0 CAREF=0
2.2 V 25 40
μA
I
(DD)
CAON=1, CARSEL=0, CAREF=0
3 V 45 60
μA
I
CAON=1, CARSEL=0,
CAREF 1/2/3 no load at
2.2 V 30 50
μA
I
(Refladder/Refdiode)
CAREF=1/2/3, no load at
P2.3/CA0/TA1 and P2.4/CA1/TA2
3 V 45 71
μA
V
(IC)
Common-mode input
voltage
CAON =1 2.2 V/3 V 0 V
CC
−1 V
V
(Ref025)
Voltage @ 0.25 V
CC
node
V
CC
PCA0=1, CARSEL=1, CAREF=1,
no load at P2.3/CA0/TA1 and
P2.4/CA1/TA2
2.2 V/3 V 0.23 0.24 0.25
V
(Ref050)
Voltage @ 0.5V
CC
node
V
CC
PCA0=1, CARSEL=1, CAREF=2,
no load at P2.3/CA0/TA1 and
P2.4/CA1/TA2
2.2 V/3 V 0.47 0.48 0.5
V
(see Figure 6 and Figure 7)
PCA0=1, CARSEL=1, CAREF=3,
no load at P2 3/CA0/TA1 and
2.2 V 390 480 540
mV
V
(RefVT)
(see Figure 6 and Figure 7)
no load at P2.3/CA0/TA1 and
P2.4/CA1/TA2 T
A
= 85°C
3 V 400 490 550
mV
V
(offset)
Offset voltage See Note 2 2.2 V/3 V −30 30 mV
V
hys
Input hysteresis CAON=1 2.2 V/3 V 0 0.7 1.4 mV
T
A
= 25°C, Overdrive 10 mV,
2.2 V 130 210 300
ns
t
T
A
=
25 C
,
Overdrive
10
mV
,
Without filter: CAF=0
3 V 80 150 240
ns
t
(response LH)
T
A
= 25°C, Overdrive 10 mV,
2.2 V 1.4 1.9 3.4
μs
T
A
=
25 C
,
Overdrive
10
mV
,
With filter: CAF=1
3 V 0.9 1.5 2.6
μs
T
A
= 25°C, Overdrive 10 mV,
2.2 V 130 210 300
ns
t
T
A
=
25 C
,
Overdrive
10
mV
,
Without filter: CAF=0
3 V 80 150 240
ns
t
(response HL)
T
A
= 25°C, Overdrive 10 mV,
2.2 V 1.4 1.9 3.4
μs
T
A
=
25 C
,
Overdrive
10
mV
,
With filter: CAF=1
3 V 0.9 1.5 2.6
μs
NOTES: 1. The leakage current for the Comparator_A terminals is identical to I
lkg(Px.x)
specification.
2. The input offset voltage can be cancelled by using the CAEX bit to invert the Comparator_A inputs on successive measurements.
The two successive measurements are then summed together.