Typical operating characteristics – Rainbow Electronics MAX977 User Manual
Page 5
MAX975/MAX977
Single/Dual, +3V/+5V Dual-Speed
Comparators with Auto-Standby
_______________________________________________________________________________________
5
-1.20
-1.15
-1.10
-1.05
-1.00
-0.95
-0.90
-0.85
-0.80
-0.75
-0.70
-0.65
-0.60
-60 -40 -20
0
20
40
60
80
100
LOW-POWER OFFSET VOLTAGE
vs. TEMPERATURE
MAX977-01
TEMPERATURE (°C)
OFFSET VOLTAGE (mV)
V
CC
= 3V
1
0.01k
10k
1k
0.1k
100k
1M
10M 100M
SUPPLY CURRENT PER COMPARATOR
vs. OUTPUT TRANSITION FREQUENCY
10
MAX977-02
TRANSITION FREQUENCY (kHz)
SUPPLY CURRENT
PER COMPARATOR (
µ
A)
100
1000
10000
HIGH-SPEED MODE
LOW-POWER MODE
-170
-150
-130
-110
-90
-70
-50
-60 -40 -20
0
20
40
60
80
100
HIGH-SPEED INPUT BIAS CURRENT
vs. TEMPERATURE
MAX977-03
TEMPERATURE (°C)
INPUT BIAS CURRENT (nA)
V
CC
= 3V
V
CC
= 5V
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.0
3.5
-60 -40 -20
0
20
40
60
80
100
LOW-POWER INPUT BIAS CURRENT
vs. TEMPERATURE
MAX977-04
TEMPERATURE (°C)
INPUT BIAS CURRENT (nA)
V
CC
= 3V
V
CC
= 5V
200
250
300
350
400
450
500
550
600
0
50
100
150
200
250
LOW-POWER PROPAGATION DELAY
vs. CAPACITIVE LOAD
MAX977-07
CAPACITIVE LOAD (pF)
PROPAGATION DELAY (ns)
V
CC
= 3V
V
CC
= 3V
V
CC
= 5V
V
CC
= 5V
t
PD-
50mV OVERDRIVE
t
PD
+
-1.0
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-60 -40 -20
0
20
40
60
80
100
HIGH-SPEED VOLTAGE TRIP POINTS/INPUT
OFFSET VOLTAGE vs. TEMPERATURE
MAX977-05
TEMPERATURE (°C)
TRIP POINTS/OFFSET VOLTAGE (mV)
V
CC
= 5V
V
TRIP+
V
TRIP-
V
OS
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
1.2
-60 -40 -20
0
20
40
60
80
100
HIGH-SPEED VOLTAGE TRIP POINTS/INPUT
OFFSET VOLTAGE vs. TEMPERATURE
MAX977-06
TEMPERATURE (°C)
TRIP POINTS/OFFSET VOLTAGE (mV)
V
TRIP-
V
OS
V
TRIP+
V
CC
= 3V
200
150
250
300
350
400
450
500
550
600
650
700
0
40
80
120
160
240
200
LOW-POWER PROPAGATION DELAY
vs. INPUT OVERDRIVE
MAX977-08
INPUT OVERDRIVE (mV)
PROPAGATION DELAY (ns)
V
CC
= 3V
V
CC
= 3V
V
CC
= 5V
V
CC
= 5V
C
LOAD
=15pF
t
PD-
t
PD+
10.2
10.1
10.0
9.9
9.8
9.7
9.6
9.5
9.4
9.3
-60 -40 -20
0
20
40
60
80
100
AUTO-STANDBY TIMEOUT
vs. TEMPERATURE
MAX977-09
TEMPERATURE (°C)
TIMEOUT (ms)
V
CC
= 3V
V
CC
= 5V
__________________________________________Typical Operating Characteristics
(V
CC
= 3.0V, T
A
= +25°C, unless otherwise noted.)