MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
40
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
Comparator_A (see Note 1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I
CAON 1 CARSEL 0 CAREF 0
V
CC
= 2.2 V
25
40
A
I
(CC)
CAON = 1, CARSEL = 0, CAREF = 0
V
CC
= 3 V
45
60
A
I
CAON = 1, CARSEL = 0, CAREF =
1/2/3
V
CC
= 2.2 V
30
50
A
I
(Refladder/RefDiode)
1/2/3,
No load at P1.6/CA0 and P1.7/CA1
V
CC
= 3 V
45
80
A
V
(Ref025)
Voltage @ 0.25 VCC node
VCC
PCA0 = 1, CARSEL = 1, CAREF = 1,
No load at P1.6/CA0 and P1.7/CA1
V
CC
= 2.2 V / 3 V
0.23
0.24
0.25
V
(Ref050)
Voltage @ 0.5 VCC node
VCC
PCA0 = 1, CARSEL = 1, CAREF = 2,
No load at P1.6/CA0 and P1.7/CA1
V
CC
= 2.2V / 3 V
0.47
0.48
0.5
V
See Figure 15 and
PCA0 = 1, CARSEL = 1, CAREF = 3,
No load at P1 6/CA0 and P1 7/CA1
V
CC
= 2.2 V
390
480
540
mV
V
(RefVT)
See Figure 15 and
Figure 16
No load at P1.6/CA0 and P1.7/CA1,
T
A =
85
C
V
CC
= 3 V
400
490
550
mV
V
IC
Common-mode input
voltage range
CAON = 1
V
CC
= 2.2 V / 3 V
0
V
CC
--1
V
V
p
--V
S
Offset voltage
See Note 2
VCC = 2.2 V / 3 V
--30
30
mV
V
hys
Input hysteresis
CAON = 1
V
CC
= 2.2 V / 3 V
0
0.7
1.4
mV
T
A
= 25
C,
V
CC
= 2.2 V
80
165
300
ns
t
see Note 3
T
A
= 25 C,
Overdrive 10 mV, without filter: CAF = 0 V
CC
= 3 V
70
120
240
ns
t
(response LH and HL)
, see Note 3
T
A
= 25
C
V
CC
= 2.2 V
1.4
1.9
2.8
s
T
A
= 25 C
Overdrive 10 mV, with filter: CAF = 1
V
CC
= 3 V
0.9
1.5
2.2
s
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.
3. The response time is measured at P1.6/CA0 with an input voltage step and the Comparator_A already enabled (CAON = 1). If CAON
is set at the same time, a settling time of up to 300ns is added to the response time.
Summary of Contents for MSP430FG47x
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