HCPL-7800 Datasheet, PDF (13/17 Pages) Agilent(Hewlett-Packard) – High CMR Isolation Amplifiers

+5 V
0.1 µF
V_IN
0.01 µF
V_IN
V_OUT
t _PD10
50%
t _PD90
t _PD50
90%
50%
10%
t _R/F
10.0 K
+5 V
HCPL-7800
1
8
2
7
3
6
4
5
0.1 µF
+15 V
0.1 µF
2.00 K
-
+
2.00 K
10.0 K
OP-42
0.1 µF
-15 V
V_OUT
Figure 22. Propagation Delay and Rise/Fall Time Test Circuit.
0
0
-5
-10
-1
-15
-2
-30
-3
-4
100
-45
AMPLITUDE
PHASE
-60
500 1000 5000 10000 50000 100000
f – FREQUENCY – Hz
Figure 23. Typical Amplitude and
Phase Response vs. Frequency.
110
48
3 dB BANDWIDTH
45 DEGREE PHASE
100
BANDWIDTH
44
90
40
80
36
70
32
60
-40
-20 0 20 40 60 80
T_A – TEMPERATURE – °C
28
100
Figure 24. Typical 3 dB and 45°
Bandwidths vs. Temperature.
3.0
2.5
2.0
1.5
1.0
0.5
0
0
NO BANDWIDTH LIMITING
BANDWIDTH LIMITED TO 100 kHz
BANDWIDTH LIMITED TO 10 kHz
50
100
150
200
250
V _IN – INPUT VOLTAGE – mV
Figure 25. Typical RMS Input-Referred
Noise vs. Input Voltage.
1-228