MAX975_07 Datasheet, PDF (7/17 Pages) Maxim Integrated Products – Single/Dual, +3V/+5V Dual-Speed Comparators with Auto-Standby

Single/Dual, +3V/+5V Dual-Speed
Comparators with Auto-Standby
____________________________Typical Operating Characteristics (continued)
(V_CC = 3.0V, T_A = +25°C, unless otherwise noted.)
HIGH-SPEED PROPAGATION DELAY
vs. CAPACITIVE LOAD
45.0
42.5 C_LOAD = 15pF
40.0 ^VOD ^{= 50mV}
V_CC = +3V
37.5
35.0
t_PD-
t_PD+
32.5
30.0
27.5
t_PD-
25.0
V_CC = +5V
22.5
t_PD+
20.0
17.5
15.0
0
50 100 150 200 250
CAPACITIVE LOAD (pF)
HIGH-SPEED PROPAGATION DELAY
vs. INPUT OVERDRIVE
30
t_PD-
V_CC = +3V
25
20
15
t_PD+ ^{VCC = +5V}
10
5
C_LOAD = 15pF
0
0 20 40 60 80 100 120 140 160 180 200
INPUT OVERDRIVE (mV)
LOW-POWER PROPAGATION DELAY
vs. TEMPERATURE (V_CC = 3V)
600
560
C_LOAD = 15pF
V_OD = 50mV
520
480
440
t_PD+
400
360
320
t_PD-
280
240
200
-60 -40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
LOW-POWER PROPAGATION DELAY
vs. TEMPERATURE (V_CC = 5V)
750
700
C_LOAD = 15pF
650
V_OD = 50mV
600
550
500
t_PD+
450
400
350
300
t_PD-
250
200
150
-60 -40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
PROPAGATION DELAY t_PD-
HIGH-SPEED MODE (V_CC = +3V)
PROPAGATION DELAY t_PD+
HIGH-SPEED MODE (V_CC = +3V)
V_OS
V_CC
V_CC/2
GND
INPUT
5mV/div
OUTPUT
1V/div
5ns/div
t_PD+
MAX975/977 TOC23
PROPAGATION DELAY t_PD-
HIGH-SPEED MODE (V_CC = +5V)
V_OS
V_CC
V_CC/2
GND
5ns/div
t_PD-
INPUT
5mV/div
OUTPUT
1V/div
MAX975/977 TOC24
V_OS
V_CC
V_CC/2
GND
5ns/div
INPUT
5mV/div
OUTPUT
2V/div
t_PD-
MAX975/977 TOC25
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