Rainbow Electronics MAX944 - Manual (Page 5)

MAX941/MAX942/MAX944
High-Speed, Low-Power, 3V/5V, Rail-to-Rail,
Single-Supply Comparators
_______________________________________________________________________________________ 5
MAX944 TOTAL SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY CURRENT (mA)
0.75
SUPPLY VOLTAGE (V)
1.00
1.25
1.50
1.75
2.00
MAX941-10
T A = +25 °C
T A = -55 °C
2 3 4 5 6
T
A
= +125 °C
INPUT VOLTAGE RANGE
vs. TEMPERATURE
INPUT VOLTAGE RANGE (V)
TEMPERATURE ( °C)
-1
0
2
3
4
1
-60 140 -40 -20 0 20 40 60 80 100 120
MAX941-11
V CM+
V+ = 3.0V
V CM -
SHORT-CIRCUIT OUTPUT CURRENT
vs. TEMPERATURE
SHORT-CIRCUIT OUTPUT CURRENT (mA)
0
10
20
30
40
TEMPERATURE ( °C)
MAX941-12
-60 -40 -20 0 20 40 60 80 100 120 140
OUTPUT SHORTED
TO V+ (SINKING)
OUTPUT SHORTED
TO GND (SOURCING)
VOLTAGE TRIP POINTS/INPUT OFFSET
VOLTAGE vs. TEMPERATURE
TRIP POINTS / V
OS
(µ
V)
TEMPERATURE ( °C)
-2000
-1500
-500
0
1000
-1000
MAX941-13
-60 140 -40 -20 0 20 40 60 80 100 120
500
V TRIP+
V TRIP-
V OS
V CM = 0
INPUT BIAS CURRENT (I B +, I B -)
vs. COMMON-MODE VOLTAGE
I B
+, I
B
- (nA)
-100
COMMON-MODE VOLTAGE (V)
MAX941 TOC15
-50
0
50
100
150
200
250
0 1 2 3 4 5 6
T A = -55 °C
T A = +25 °C
T A = +125 °C
V IN + = V IN -
NEGATIVE VALUES
REPRESENT CURRENT
FLOWING INTO THE
DEVICE
V+ = 6V
INPUT BIAS CURRENT/INPUT OFFSET
CURRENT vs. TEMPERATURE
INPUT BIAS / OFFSET CURRENT (nA)
TEMPERATURE ( °C)
0
50
150
200
250
100
MAX941-14
-60 140 -40 -20 0 20 40 60 80 100 120
I B +
I B -
I OS
MAX941 SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
SHUTDOWN SUPPLY CURRENT (
µ
A)
0
10
20
30
40
TEMPERATURE ( °C)
MAX941 TOC16
-60 -40 -20 0 20 40 60 80 100 120 140
V+ = 6.0V
V+ = 2.7V
10MHz RESPONSE
INPUT
50mV/div
OUTPUT
1V/div
V OS
V+
GND
50ns/div
MAX941 TOC 17
____________________________Typical Operating Characteristics (continued)
(V+ = 3.0V, T A = +25°C, unless otherwise noted.)