EL5185C - Preliminary
4ns High-Speed Comparator
Typical Performance Curves
Propagation Delay vs Overdrive
Propagation Delay vs Source Resistance
V =1V
IN
V
=5V
IN
STEP
STEP
7.8
7.6
7.4
7.2
7
15
13
11
9
V =±5V
V =±5V
S
S
V
=5V
SD
V
V
=5V
SD
R =2.2k
L
=50mV
OD
T
-
PD
R =2.2k
L
T -
PD
T
PD
+
T +
PD
6.8
6.6
6.4
7
5
0.2
0.6
1
1.4
(V)
1.8
2.2
2.6
0
0.4
0.8
1.2
1.6
2
50
2
V
Source Resistance (kW)
OD
Propagation Delay vs Supply Voltage
Digital Supply Current vs Switching Frequency
(per comparator)
6.8
6.6
6.4
6.2
6
25
20
15
10
5
V
V
=V +
=50mV
V =±5V
S
T =25°C
A
SD
S
OD
R =2.2k
L
V
=5V
SD
T
-
PD
V
SD
=3V
5.8
5.6
T
PD
+
0
4
4.2 4.4 4.6 4.8
5
5.2 5.4 5.6 5.8
6
0
10
20
30
40
±V (V)
S
Frequency (MHz)
Propagation Delay vs Overdrive
=1V
Propagation Delay vs Overdrive
V
V
=3V
IN
IN
STEP
STEP
6.1
6
8
7.5
7
V =±5V
V =±5V
S
S
V
=5V
V =5V
SD
SD
R =2.2k
L
R =2.2k
L
5.9
5.8
5.7
5.6
5.5
5.4
5.3
5.2
T
PD
-
T
-
PD
6.5
6
T
PD
+
T
+
PD
5.5
5
50 100 150 200 250 300 350 400 450 500 550 600
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
V
OD
(mV)
V
OD
(mV)
4
ELANTEC [ ELANTEC SEMICONDUCTOR ]
