MSP430G2X11_11 Datasheet, PDF (25/47 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2x11
MSP430G2x01
www.ti.com
SLAS695D – FEBRUARY 2010 – REVISED FEBRUARY 2011
Comparator_A+ (MSP430G2x11 only)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
I_(DD)
PARAMETER
I_{(Refladder/RefDiode)}
TEST CONDITIONS
V_CC
CAON = 1, CARSEL = 0, CAREF = 0
3V
CAON = 1, CARSEL = 0, CAREF = 1/2/3,
No load at CA0 and CA1
3V
MIN TYP MAX UNIT
45
µA
45
µA
V_(IC)
Common–mode input voltage
CAON = 1
3V
0
V_CC-1 V
V_(Ref025)
Voltage @ 0.25 V_CC node
V_CC
PCA0 = 1, CARSEL = 1, CAREF = 1,
No load at CA0 and CA1
3V
0.24
V_(Ref050)
Voltage @ 0.5 V_CC node
V_CC
PCA0 = 1, CARSEL = 1, CAREF = 2,
No load at CA0 and CA1
3V
0.48
V_(RefVT)
See Figure 14 and Figure 15
PCA0 = 1, CARSEL = 1, CAREF = 3,
No load at CA0 and CA1, TA = 85°C
3V
V_(offset)
Offset voltage⁽¹⁾
3V
V_hys
Input hysteresis
CAON = 1
3V
T_A = 25°C, Overdrive 10 mV,
t_(response)
Response time
(low-high and high-low)
Without filter: CAF = 0
T_A = 25°C, Overdrive 10 mV,
3V
With filter: CAF = 1
490
mV
±10
mV
0.7
mV
120
ns
1.5
µs
(1) 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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