MAX944 Maxim, MAX944 Datasheet - Page 4

• Manufacturer Part Number: MAX944
• Description: The MAX941/MAX942/MAX944 are single/dual/quad high-speed comparators optimized for systems powered from a 3V or 5V supply
• Manufacturer: Maxim

High-Speed, Low-Power, 3V/5V, Rail-to-Rail,
Single-Supply Comparators
(V+ = 3.0V, T
4
__________________________________________Typical Operating Characteristics
_______________________________________________________________________________________
130
120
110
100
100
0.5
0.4
0.3
0.2
0.1
90
80
70
60
90
80
70
60
50
40
30
0
-60
1
0
R
C
V
R
C
S
LOAD
OD
-40
S
LOAD
= 10Ω
= 10Ω
= 5mV
A
PROPAGATION DELAY vs.
-20
PROPAGATION DELAY vs.
= 15pF
= +25°C, unless otherwise noted.)
OUTPUT LOW VOLTAGE
= 15pF
25
10
INPUT OVERDRIVE (mV)
vs. SINK CURRENT
T
INPUT OVERDRIVE
T
TEMPERATURE (°C)
SINK CURRENT (µA)
A
0
A
TEMPERATURE
= -55°C
= +25°C
20
T
A
100
40
50
= +125°C
60
t
80
PD-
1000
75
100 120 140
t
PD+
10,000
100
400
350
300
250
200
150
100
100
600
500
400
300
200
100
50
90
80
70
60
50
40
30
0
10
2
2
C
V
R
C
V
MAX941 TOTAL SUPPLY CURRENT
LOAD
OD
LOAD
OD
S
= 10Ω
PROPAGATION DELAY vs.
= 5mV
PROPAGATION DELAY vs.
= 5mV
= 15pF
100
= 15pF
SOURCE IMPEDANCE (Ω)
vs. SUPPLY VOLTAGE
SOURCE IMPEDANCE
3
T
T
T
3
SUPPLY VOLTAGE (V)
A
A
A
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE
= +125°C
= +25°C
= -55°C
1k
4
4
t
PD-
10k
5
5
t
t
PD+
PD+
t
PD-
100k
6
6
180
160
140
120
100
3.0
2.9
2.8
2.7
2.6
2.5
800
700
600
500
400
300
80
60
1
2
0
R
V
MAX942 TOTAL SUPPLY CURRENT
OD
S
= 10Ω
OUTPUT HIGH VOLTAGE vs.
= 5mV
PROPAGATION DELAY vs.
100
10
vs. SUPPLY VOLTAGE
SOURCE CURRENT (µA)
3
CAPACITIVE LOAD (pF)
SOURCE CURRENT
SUPPLY VOLTAGE (V)
CAPACITIVE LOAD
T
T
A
A
T
T
T
= +25°C
= -55°C
A
A
200
A
= +125°C
= +25°C
= -55°C
100
4
t
PD-
T
300
A
t
= +125°C
PD+
1000
5
400
10,000
500
6