MSP430F643 Datasheet, PDF (73/106 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F643x
www.ti.com
SLAS720B – AUGUST 2010 – REVISED AUGUST 2012
Comparator_B
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
V_CC
Supply voltage
TEST CONDITIONS
V_CC
1.8 V
MIN TYP
1.8
I_{AVCC_COMP}
Comparator operating supply
current into AVCC terminal,
Excludes reference resistor
ladder
CBPWRMD = 00
CBPWRMD = 01
2.2 V
30
3V
40
2.2 V, 3 V
10
CBPWRMD = 10
2.2 V, 3 V
0.1
I_{AVCC_REF}
Quiescent current of local
reference voltage amplifier
into AVCC terminal
CBREFACC = 1, CBREFLx = 01
V_IC
Common mode input range
0
V_OFFSET
Input offset voltage
CBPWRMD = 00
CBPWRMD = 01, 10
C_IN
R_SIN
Input capacitance
Series input resistance
ON - switch closed
OFF - switch opened
5
3
50
CBPWRMD = 00, CBF = 0
t_PD
Propagation delay, response
time
CBPWRMD = 01, CBF = 0
CBPWRMD = 10, CBF = 0
CBPWRMD = 00, CBON = 1, CBF = 1,
CBFDLY = 00
0.35 0.6
t_PD,filter
Propagation delay with filter
active
CBPWRMD = 00, CBON = 1, CBF = 1,
CBFDLY = 01
CBPWRMD = 00, CBON = 1, CBF = 1,
CBFDLY = 10
0.6 1.0
1.0 1.8
CBPWRMD = 00, CBON = 1, CBF = 1,
CBFDLY = 11
1.8 3.4
t_{EN_CMP}
Comparator enable time,
settling time
CBON = 0 to CBON = 1
CBPWRMD = 00, 01, 10
1
t_{EN_REF}
Resistor reference enable
time
CBON = 0 to CBON = 1
0.3
V_{CB_REF}
Reference voltage for a given VIN = reference into resistor ladder,
tap
n = 0 to 31
VIN × VIN ×
(n+0.5) (n+1)
/ 32 / 32
MAX
3.6
40
50
65
30
0.5
UNIT
V
µA
22 µA
V_CC - 1 V
±20
mV
±10
pF
4 kΩ
MΩ
450 ns
600 ns
50 µs
1.0 µs
1.8 µs
3.4 µs
6.5 µs
2 µs
1.5 µs
VIN ×
(n+1.5) V
/ 32
Copyright © 2010–2012, Texas Instruments Incorporated
73