MSP430F6438, MSP430F6436, MSP430F6435, MSP430F6433
SLAS720D – AUGUST 2010 – REVISED DECEMBER 2015
5.51 Comparator_B
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
V
CC
Supply voltage
1.8
3.6
V
1.8 V
40
Comparator operating
CBPWRMD = 00
2.2 V
30
50
supply current into AVCC
I
AVCC_COMP
3 V
40
65
µA
terminal, Excludes
CBPWRMD = 01
2.2 V, 3 V
10
30
reference resistor ladder
CBPWRMD = 10
2.2 V, 3 V
0.1
0.5
Quiescent current of local
I
AVCC_REF
reference voltage amplifier CBREFACC = 1, CBREFLx = 01
22
µA
into AVCC terminal
Common-mode input
V
IC
0
V
CC
- 1
V
range
CBPWRMD = 00
±20
V
OFFSET
Input offset voltage
mV
CBPWRMD = 01, 10
±10
C
IN
Input capacitance
5
pF
ON (switch closed)
3
4
k
Ω
R
SIN
Series input resistance
OFF (switch open)
50
M
Ω
CBPWRMD = 00, CBF = 0
450
ns
Propagation delay,
t
PD
CBPWRMD = 01, CBF = 0
600
response time
CBPWRMD = 10, CBF = 0
50
µs
CBPWRMD = 00, CBON = 1, CBF = 1,
0.35
0.6
1.0
CBFDLY = 00
CBPWRMD = 00, CBON = 1, CBF = 1,
0.6
1.0
1.8
CBFDLY = 01
Propagation delay with
t
PD,filter
µs
filter active
CBPWRMD = 00, CBON = 1, CBF = 1,
1.0
1.8
3.4
CBFDLY = 10
CBPWRMD = 00, CBON = 1, CBF = 1,
1.8
3.4
6.5
CBFDLY = 11
Comparator enable time,
CBON = 0 to CBON = 1
t
EN_CMP
1
2
µs
settling time
CBPWRMD = 00, 01, 10
Resistor reference enable
t
EN_REF
CBON = 0 to CBON = 1
0.3
1.5
µs
time
VIN ×
VIN ×
VIN ×
Reference voltage for a
VIN = reference into resistor ladder,
V
CB_REF
(n + 0.5)
(n + 1)
(n + 1.5)
V
given tap
n = 0 to 31
/ 32
/ 32
/ 32
Copyright © 2010–2015, Texas Instruments Incorporated
Specifications
51
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