EL5285C - Preliminary
EL5285C - Preliminary
Dual and Window 4ns High-Speed Comparators
Typical Performance Curves
Propagation Delay vs Overdrive
V
IN
=5V
STEP
V
S
=±5V
V
SD
=5V
R
L
=2.2k
Delay Time (ns)
Propagation Delay vs Source Resistance
V
IN
=1V
STEP
V
S
=±5V
V
SD
=5V
V
OD
=50mV
R
L
=2.2k
7.8
7.6
15
13
11
T
PD
-
7.4
Delay Time (ns)
7.2
T
PD
+
7
6.8
6.6
6.4
0.2
T
PD
-
9
T
PD
+
7
5
0.6
1
1.4
V
OD
(V)
1.8
2.2
2.6
0
0.4
0.8
1.2
1.6
2
Source Resistance (kΩ)
Digital Supply Current vs Switching Frequency
(per comparator)
V
S
=±5V
T
A
=25°C
Propagation Delay vs Supply Voltage
6.8
6.6
6.4
6.2
6
5.8
5.6
T
PD
+
5
0
I
SD
(mA)
15
10
V
SD
=V
S
+
V
OD
=50mV
R
L
=2.2k
25
20
Delay Time (ns)
V
SD
=5V
V
SD
=3V
T
PD
-
4
4.2
4.4
4.6
4.8
5
±V
S
(V)
5.2
5.4
5.6
5.8
6
0
10
20
30
40
50
Frequency (MHz)
Propagation Delay vs Overdrive
V
IN
=3V
STEP
V
S
=±5V
V
SD
=5V
R
L
=2.2k
T
PD
-
6.1
6
5.9
Delay Time (ns)
5.8
5.7
5.6
5.5
5.4
5.3
Propagation Delay vs Overdrive
V
IN
=1V
STEP
V
S
=±5V
V
SD
=5V
R
L
=2.2k
Delay Time (ns)
T
PD
-
8
7.5
7
6.5
T
PD
+
6
5.5
5
0.2
T
PD
+
5.2
50
100 150 200 250 300 350 400 450 500 550 600
V
OD
(mV)
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
V
OD
(mV)
4
ELANTEC [ ELANTEC SEMICONDUCTOR ]
