MSP430X41X_17 Datasheet, PDF (28/64 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x41x
MIXED SIGNAL MICROCONTROLLER
SLAS340J − MAY 2001 − REVISED DECEMBER 2008
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
Comparator_A (see Note 1)
PARAMETER
I_(CC)
I_{(Refladder/RefDiode)}
TEST CONDITIONS
CAON = 1, CARSEL = 0, CAREF = 0
CAON = 1, CARSEL = 0,
CAREF = 1/2/3,
No load at P1.6/CA0 and P1.7/CA1
V_CC
2.2 V
3V
2.2 V
3V
MIN TYP
25
45
30
45
MAX
40
60
50
71
UNIT
μA
μA
V_(Ref025)
Voltage @ 0.25 V_CC node
V_CC
PCA0 = 1, CARSEL = 1, CAREF = 1,
No load at P1.6/CA0 and P1.7/CA1
2.2 V / 3 V 0.23 0.24
0.25
V_(Ref050)
V_(RefVT)
V_(IC)
Voltage @ 0.5 V_CC node
V_CC
See Figure 10 and
Figure 11
Common-mode input
voltage range
PCA0 = 1, CARSEL = 1, CAREF = 2,
No load at P1.6/CA0 and P1.7/CA1
PCA0 = 1, CARSEL = 1, CAREF = 3,
No load at P1.6/CA0 and P1.7/CA1;
T_A = 85°C
CAON = 1
2.2V / 3 V 0.47 0.48
0.50
2.2 V
3V
2. 2 V/3 V
390 480
400 490
540
mV
550
0
V_CC−1.0
V
V_(offset)
V_hys
Offset voltage
Input hysteresis
t_{(response LH)}
See Note 2
CAON = 1
T_A = 25°C,
Overdrive 10 mV, Without filter: CAF = 0
T_A = 25°C
Overdrive 10 mV, With filter: CAF = 1
2.2 V/3 V
2.2 V/3 V
2.2 V
3V
2.2 V
3V
−30
0 0.7
160 210
80 150
1.4 1.9
0.9 1.5
30 mV
1.4 mV
300
ns
240
3.4
μs
2.6
t_{(response HL)}
T_A = 25°C
Overdrive 10 mV, Without filter: CAF = 0
T_A = 25°C,
Overdrive 10 mV, With filter: CAF = 1
2.2 V
3V
2.2 V
3V
130 210
80 150
1.4 1.9
0.9 1.5
300
ns
240
3.4
μs
2.6
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.
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