Typical operating characteristics (continued) – Rainbow Electronics MAX977 User Manual
Page 7
MAX975/MAX977
Single/Dual, +3V/+5V Dual-Speed
Comparators with Auto-Standby
_______________________________________________________________________________________
7
15.0
17.5
20.0
22.5
25.0
27.5
30.0
32.5
35.0
37.5
40.0
42.5
45.0
0
50
100
150
200
250
HIGH-SPEED PROPAGATION DELAY
vs. CAPACITIVE LOAD
MAX977-19
CAPACITIVE LOAD (pF)
PROPAGATION DELAY (ns)
V
CC
= +3V
V
CC
= +5V
t
PD+
t
PD-
t
PD+
t
PD-
C
LOAD
= 15pF
V
OD
= 50mV
0
5
10
15
20
25
30
0
20 40 60 80 100 120 140 160 180 200
HIGH-SPEED PROPAGATION DELAY
vs. INPUT OVERDRIVE
MAX977-20
INPUT OVERDRIVE (mV)
PROPAGATION DELAY (ns)
t
PD-
C
LOAD
= 15pF
V
CC
= +3V
t
PD+
V
CC
= +5V
200
240
280
320
360
400
440
480
520
560
600
-60 -40 -20
0
20
40
60
80
100
LOW-POWER PROPAGATION DELAY
vs. TEMPERATURE (V
CC
= 3V)
MAX977-21
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
C
LOAD
= 15pF
V
OD
= 50mV
t
PD+
t
PD-
150
200
250
300
350
400
450
500
550
600
650
700
750
-60 -40 -20
0
20
40
60
80
100
LOW-POWER PROPAGATION DELAY
vs. TEMPERATURE (V
CC
= 5V)
MAX977-22
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
C
LOAD
= 15pF
V
OD
= 50mV
t
PD+
t
PD-
PROPAGATION DELAY t
PD
+
HIGH-SPEED MODE (V
CC
= +3V)
t
PD+
INPUT
5mV/div
5ns/div
OUTPUT
1V/div
V
OS
V
CC
V
CC
/2
GND
MAX975/977 TOC23
PROPAGATION DELAY t
PD-
HIGH-SPEED MODE (V
CC
= +3V)
t
PD-
INPUT
5mV/div
5ns/div
OUTPUT
1V/div
V
OS
V
CC
V
CC
/2
GND
MAX975/977 TOC24
PROPAGATION DELAY t
PD-
HIGH-SPEED MODE (V
CC
= +5V)
t
PD-
INPUT
5mV/div
5ns/div
OUTPUT
2V/div
V
OS
V
CC
V
CC
/2
GND
MAX975/977 TOC25
____________________________Typical Operating Characteristics (continued)
(V
CC
= 3.0V, T
A
= +25°C, unless otherwise noted.)