HCPL-7800 Datasheet, PDF (12/17 Pages) Agilent(Hewlett-Packard) – High CMR Isolation Amplifiers

78L05
IN
OUT
0.1 µF 0.1 µF
9V
330 pF
5.11 K
+5 V
+15 V
HCPL-7800
1
8
2
7
3
6
4
5
PULSE GEN.
+
-
V _IM
0.1 µF
1.00 K
1.00 K
0.1 µF
-
+
OP-42
330 pF
5.11 K
0.1 µF
-15 V
V_OUT
Figure 19. Isolation Mode Rejection Test Circuit.
V _IM
V_O
Figure 20. Typical IMR Failure Waveform.
1000 V
0V
50 mV PERTURBATION
(DEFINITION OF FAILURE)
0V
10
DELAY TO 90%
RISE/FALL TIME
DELAY TO 50%
8
DELAY TO 10%
6
4
2
0
-40 -20 0 20 40 60 80 100
T_A – TEMPERATURE – °C
Figure 21. Typical Propagation Delays
and Rise/Fall Time vs. Temperature.
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