MAX9140

Manufacturer Part NumberMAX9140
DescriptionThe MAX9140/MAX9141 are single and the MAX9142/MAX9144 are dual/quad high-speed comparators optimized for systems powered from a 3V or 5V supply
ManufacturerMaxim
MAX9140 datasheets

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40ns, Low-Power, 3V/5V, Rail-to-Rail
ELECTRICAL CHARACTERISTICS (continued)
= 0V, SHDN = LE = V
(V
= 5V, V
CC
CC
CM
at T
= +25°C.) (Note 1)
A
PARAMETER
SYMBOL
Supply Current (Per Comparator)
Propagation Delay
Differential Propagation Delay
Propagation Delay Skew
Logic Input-Voltage High
Logic Input-Voltage Low
Logic Input Current
I
Data-to-Latch Setup Time
Latch-to-Data Hold Time
Latch Pulse Width
Latch Propagation Delay
Shutdown Enable Time
Shutdown Disable Time
Note 1:
All devices are 100% production tested at T
Note 2:
Inferred from PSRR test.
Note 3:
Inferred from CMRR test. Note also that either or both inputs can be driven to the absolute maximum limit (0.3V beyond either
supply rail) without damage or false output inversion.
Note 4:
V
is defined as the center of the input-referred hysteresis zone. See Figure 1.
OS
Note 5:
The input-referred trip points are the extremities of the differential input voltage required to make the comparator output
change state. The difference between the upper and lower trip points is equal to the width of the input-referred hysteresis
zone. See Figure 1.
Note 6:
The polarity of I
reverses direction as V
B
Note 7:
Specified over the full common-mode voltage range (V
Note 8:
Specification is for current flowing into or out of the output pin for V
in shutdown.
Note 9:
Specified between any two channels in the MAX9142/MAX9144.
Note 10: Specified as the difference between t
Note 11: Applies to the MAX9141 only for both SHDN and LE.
Note 12: Applies to the MAX9141 only. Comparator is active with LE driven high and is latched with LE driven low (V
Figure 2.
Note 13: Applicable to the MAX9141 only. Comparator is active with the SHDN driven high and is shutdown with SHDN driven low.
Shutdown enable time is the delay when the SHDN is driven high to the time the output is valid. Shutdown disable time is the
delay when the SHDN is driven low to the time the comparator shuts down.
_______________________________________________________________________________________
Single-Supply Comparators
(MAX9141 only), C
= 15pF, T
= T
MIN
L
A
CONDITIONS
MAX9141
MAX9140,
T
= -40°C to +85°C
V
= V
= 3V
A
CM
CC
MAX9140AA_ _
MAX9142/MAX9144
MAX9141
I
CC
MAX9140,
V
= V
= 5V
T
= -40°C to +85°C
CM
CC
A
MAX9140AA_ _
MAX9142/MAX9144
MAX9141 only, SHDN = GND;
V
= V
= 3V
CC
CM
t
,
PD+
V
= 3V, V
= 10mV
CC
OD
t
PD-
dt
V
= 10mV (Note 9)
PD
OD
V
= 10mV (Note 10)
OD
V
(Note 11)
IH
V
(Note 11)
IL
, I
V
= 0 to V
(Note 11)
IL
IH
LOGIC
CC
t
(Note 12)
S
t
(Note 12)
H
t
(Note 12)
LPW
t
(Note 12)
LPD
(Note 13)
(Note 13)
= +25°C. Specifications over temperature are guaranteed by design.
A
approaches either supply rail.
CM
).
CMR
OUT
and t
for any one comparator.
PD+
PD-
to T
, unless otherwise noted. Typical values are
MAX
MIN
TYP
MAX
165
275
150
250
360
150
250
200
320
165
300
400
165
300
12
30
40
2
2
(V
/2)
CC
V
/2
CC
+0.4
(V
/2)
CC
V
/2
CC
-0.4
2
10
16
16
45
60
1
5
driven to any voltage from V
to GND while the part is
CC
= 10mV). See
OD
UNITS
µA
ns
ns
ns
V
V
µA
ns
ns
ns
ns
µs
µs
3

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