MSP430G2X52_1112 Datasheet, PDF (30/62 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2x52
MSP430G2x12
SLAS722E – DECEMBER 2010 – REVISED DECEMBER 2011
www.ti.com
Comparator_A+
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
45
45
V_(IC)
Common-mode input voltage
CAON = 1
3V
0
V_(Ref025)
(Voltage at 0.25 V_CC node) ÷ V_CC
PCA0 = 1, CARSEL = 1, CAREF = 1,
No load at CA0 and CA1
3V
V_(Ref050)
(Voltage at 0.5 V_CC node) ÷ V_CC
PCA0 = 1, CARSEL = 1, CAREF = 2,
No load at CA0 and CA1
3V
V_(RefVT)
See Figure 18 and Figure 19
PCA0 = 1, CARSEL = 1, CAREF = 3,
No load at CA0 and CA1, T_A = 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
0.24
0.48
490
±10
0.7
120
1.5
MAX UNIT
µA
µA
V_CC
–1
V
mV
mV
mV
ns
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.
30
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