78
SLAS826F – MARCH 2015 – REVISED MARCH 2017
Product Folder Links:
Specifications
Copyright © 2015–2017, Texas Instruments Incorporated
5.25.8 Comparator_E
lists the characteristics of the comparator.
Table 5-34. Comparator_E
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
1.62
3.7
V
I
AVCC_COMP
Comparator operating
supply current into
AVCC, Excludes
reference resistor
ladder
CEPWRMD = 00, CEON = 1,
CERSx = 00 (fast)
2.2 V, 3 V
10
15
µA
CEPWRMD = 01, CEON = 1,
CERSx = 00 (medium)
2.2 V, 3 V
8
10
CEPWRMD = 10, CEON = 1,
CERSx = 00 (slow), T
A
= 30°C
2.2 V, 3 V
0.5
CEPWRMD = 10, CEON = 1,
CERSx = 00 (slow), T
A
= 85°C
2.2 V, 3 V
0.5
I
AVCC_REF
Quiescent current of
resistor ladder into
AVCC, Includes
REF_A module
current
CEREFACC = 0, CEREFLx = 01,
CERSx = 10, REFON = 0, CEON = 0
2.2 V, 3 V
25
35
µA
CEREFACC = 1, CEREFLx = 01,
CERSx = 10, REFON = 0, CEON = 0
2.2 V, 3 V
10
15
V
REF
Reference voltage
level
CERSx = 11, CEREFLx = 01,
CEREFACC = 0
1.62 V
1.17
1.2
1.23
V
CERSx = 11, CEREFLx = 10,
CEREFACC = 0
2.2 V
1.95
2.0
2.05
CERSx = 11, CEREFLx = 11,
CEREFACC = 0
2.7 V
2.40
2.5
2.60
CERSx = 11, CEREFLx = 01,
CEREFACC = 1
1.62 V
1.15
1.2
1.23
CERSx = 11, CEREFLx = 10,
CEREFACC = 1
2.2 V
1.92
2.0
2.05
CERSx = 11, CEREFLx = 11,
CEREFACC = 1
2.7 V
2.4
2.5
2.6
V
IC
Common mode input
range
0
VCC–1
V
V
OFFSET
Input offset voltage
CEPWRMD = 00
–10
+10
mV
CEPWRMD = 01
–20
+20
CEPWRMD = 10
–20
+20
C
IN
Input capacitance
CEPWRMD = 00 or CEPWRMD = 01
8
pF
CEPWRMD = 10
8
R
SIN
Series input
resistance
On (switch closed)
2
4
k
Ω
Off (switch open)
50
M
Ω
t
PD
Propagation delay,
response time
CEPWRMD = 00, CEF = 0,
Overdrive
≥
20 mV
330
550
ns
CEPWRMD = 01, CEF = 0,
Overdrive
≥
20 mV
410
650
CEPWRMD = 10, CEF = 0,
Overdrive
≥
20 mV
30
µs
t
PD,filter
Propagation delay
with filter active
CEPWRMD = 00 or 01, CEF = 1,
Overdrive
≥
20 mV, CEFDLY = 00
0.6
0.9
µs
CEPWRMD = 00 or 01, CEF = 1,
Overdrive
≥
20 mV, CEFDLY = 01
1.1
1.6
CEPWRMD = 00 or 01, CEF = 1,
Overdrive
≥
20 mV, CEFDLY = 10
2
3
CEPWRMD = 00 or 01, CEF = 1,
Overdrive
≥
20 mV, CEFDLY = 11
4
6