MAX944 Maxim, MAX944 Datasheet - Page 5

• 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

(V+ = 3.0V, T
____________________________Typical Operating Characteristics (continued)
-1000
-1500
-2000
1000
-500
500
2.00
1.75
1.50
1.25
1.00
0.75
0
-60
2
VOLTAGE TRIP POINTS/INPUT OFFSET
V
-40 -20 0 20 40 60 80 100 120
MAX944 TOTAL SUPPLY CURRENT
CM
VOLTAGE vs. TEMPERATURE
High-Speed, Low-Power, 3V/5V, Rail-to-Rail,
= 0
A
vs. SUPPLY VOLTAGE
= +25°C, unless otherwise noted.)
3
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
T
V
40
30
20
10
T
T
A
TRIP-
0
_______________________________________________________________________________________
A
A
= -55°C
-60 -40 -20 0
V
= +125°C
= +25°C
OS
MAX941 SHUTDOWN SUPPLY CURRENT
4
V
TRIP+
vs. TEMPERATURE
TEMPERATURE (°C)
5
V+ = 6.0V
V+ = 2.7V
20 40 60 80 100 120 140
140
6
250
200
150
100
50
-1
4
3
2
1
0
0
-60
-60
INPUT BIAS CURRENT/INPUT OFFSET
-40 -20 0 20 40 60 80 100 120
-40 -20 0 20 40 60 80 100 120
CURRENT vs. TEMPERATURE
Single-Supply Comparators
INPUT VOLTAGE RANGE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
V
V
CM +
CM
I
I
I
-
B
B
OS
+
-
GND
V
V+
OS
V+ = 3.0V
140
140
10MHz RESPONSE
50ns/div
-100
250
200
150
100
-50
40
30
20
10
50
0
0
-60 -40 -20 0
0
T
SHORT-CIRCUIT OUTPUT CURRENT
A
INPUT BIAS CURRENT (I
vs. COMMON-MODE VOLTAGE
= +25°C
T
T
1
A
COMMON-MODE VOLTAGE (V)
A
TO GND (SOURCING)
= +125°C
= -55°C
OUTPUT SHORTED
OUTPUT SHORTED
TO V+ (SINKING)
vs. TEMPERATURE
TEMPERATURE (°C)
2
MAX941 TOC 17
20 40 60 80 100 120 140
V
NEGATIVE VALUES
REPRESENT CURRENT
FLOWING INTO THE
DEVICE
3
IN
+ = V
INPUT
50mV/div
OUTPUT
1V/div
IN
4
-
B
V+ = 6V
+, I
B
5
-)
6
5