Datasheet

MAX907/MAX908/MAX909
Dual/Quad/Single, High-Speed, Ultra-Low-Power,
Single-Supply TTL Comparators
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, T
A
= +25°C; MAX909 only: V- = 0V, V
LATCH
= 0V; unless otherwise noted.)
PARAMETER
SYMBOL CONDITIONS MIN TYP MAX UNITS
Propagation Delay
t
PD+,
t
PD-
40 50 ns
Differential Propagation Delay
∆t
PD
1 ns
Propagation Delay Skew
t
PD
skew
2 ns
Latch Input Voltage High
V
IH
(Note 12) 2.0 V
Latch Input Voltage Low
V
IL
(Note 12) 0.8 V
Latch Input Current
I
IH
, I
IL
(Note 12) 20 µA
Latch Setup Time
t
s
(Note 12) 2 ns
Latch Hold Time
t
h
(Note 12) 2 ns
V
IN
= 100mV, V
OD
= 5mV
(Note 9)
V
IN
= 100mV, V
OD
= 5mV
(Note 10)
MAX909 only: V
IN
= 100mV,
V
OD
= 5mV (Note 11)
ELECTRICAL CHARACTERISTICS
(V+ = 5V, T
A
= T
MIN
to T
MAX
; MAX909 only: V- = 0V, V
LATCH
= 0V; unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Positive Trip Point
V
TRIP+
(Note 1) 2 5 mV
Negative Trip Point
V
TRIP-
(Note 1) -2 -5 mV
Input Offset Voltage V
OS
(Note 2) 1 3.5 mV
Input Bias Current I
B
V
CM
= 0V, V
IN
= V
OS
200 500
nA
Input Offset Current I
OS
V
CM
=
0V, V
IN
=
V
OS
50
100
nA
MAX907/MAX908/MAX909
-0.2
V+ - 1.5
C/E temp.
ranges
(Notes 3, 4)
MAX909 only, V- = -5V -5.2
V+ - 1.5
Input Voltage Range
V
CMR
M temp. range
(Notes 3, 4)
MAX907MSA/PR -0.1
V+ - 1.5
V
Common-Mode Rejection Ratio
CMRR
(Notes 4, 5) 75
300 µV/V
Power-Supply Rejection Ratio
PSRR
(Notes 4, 6) 75
400 µV/V
Output High Voltage V
OH
I
SOURCE
= 100µA 2.8 3.5 V
T
A
=
T
MAX
0.45
T
MIN
= 0°C
0.525
Output Low Voltage V
OL
I
SINK
= 3.2mA
T
MIN
= -40°C
0.550
V
MAX907/MAX908 0.8 1.2
Positive Supply Current per
Comparator
I+ (Note 7)
MAX909 1.2 2.0
mA
Negative Supply Current I- MAX909 only; V- = -5V
100 200
µV
MAX907/MAX908 4 7
Power Dissipation per
Comparator
PD (Note 8)
MAX909 6 11
mW