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| MSP430G22X0 Datasheet, PDF (25/44 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER | |||
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MSP430G22x0
www.ti.com
SLAS753D â JANUARY 2012 â REVISED AUGUST 2012
Comparator_A+ (MSP430G2210 Only)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
I(DD) (1)
I(Refladder/
RefDiode)
V(IC)
V(Ref025)
PARAMETER
Commonâmode input voltage
(Voltage at 0.25 VCC node) / VCC
TEST CONDITIONS
VCC
CAON = 1, CARSEL = 0, CAREF = 0
3V
CAON = 1, CARSEL = 0, CAREF = 1/2/3,
No load at CA0 and CA1
3V
CAON = 1
3V
PCA0 = 1, CARSEL = 1, CAREF = 1,
No load at CA0 and CA1
3V
MIN TYP
45
45
0
0.24
V(Ref050) (Voltage at 0.5 VCC node) / VCC
PCA0 = 1, CARSEL = 1, CAREF = 2,
No load at CA0 and CA1
3V
0.48
V(RefVT)
See Figure 18 and Figure 19
PCA0 = 1, CARSEL = 1, CAREF = 3,
No load at CA0 and CA1, TA = 85°C
3V
490
V(offset)
Offset voltage(2)
3V
±10
Vhys
Input hysteresis
CAON = 1
3V
0.7
t(response)
Response time
(low-to-high and high-to-low)
TA = 25°C, Overdrive 10 mV,
Without filter: CAF = 0
TA = 25°C, Overdrive 10 mV,
With filter: CAF = 1
120
3V
1.5
MAX
VCC-1
UNIT
µA
µA
V
mV
mV
mV
ns
µs
(1) The leakage current for the Comparator_A+ terminals is identical to Ilkg(Px.y) 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.
Copyright © 2012, Texas Instruments Incorporated
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