V
50%
IN
tPD90
tPD50
tPD10
90%
V
OUT
50%
10%
t R/F
10.0 K
+15 V
+5 V
+5 V
0.1 µF
HCPL-7800
0.1 µF
0.1 µF
8
7
1
2.00 K
2
3
4
V
-
IN
V
OUT
6
5
OP-42
0.1 µF
+
2.00 K
0.01 µF
10.0 K
-15 V
Figure 22. Propagation Delay and Rise/Fall Time Test Circuit.
3.0
2.5
0
0
48
44
110
100
NO BANDWIDTH LIMITING
BANDWIDTH LIMITED TO 100 kHz
BANDWIDTH LIMITED TO 10 kHz
-5
-10
3 dB BANDWIDTH
45 DEGREE PHASE
BANDWIDTH
-1
-15
2.0
1.5
1.0
40
36
90
80
-2
-30
-3
-4
-45
-60
32
70
60
0.5
AMPLITUDE
PHASE
0
28
100
0
50
V
100
150
200
250
-40
-20
0
20
40
60
80
100
500 1000
5000 10000 50000 100000
– INPUT VOLTAGE – mV
T
– TEMPERATURE – °C
f – FREQUENCY – Hz
A
IN
Figure 23. Typical Amplitude and
Phase Response vs. Frequency.
Figure 24. Typical 3 dB and 45°
Bandwidths vs. Temperature.
Figure 25. Typical RMS Input-Referred
Noise vs. Input Voltage.
1-228
HP [ HEWLETT-PACKARD ]
