HCPL-788J Datasheet, PDF (11/20 Pages) AVAGO TECHNOLOGIES LIMITED – Isolation Amplifier with Short Circuit and Overload Detection SO-16 Package

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-40 -20 0 20 40 60 80
TEMPERATURE – °C
Figure 12. Bandwidth vs. temperature.
3.5
3.25
3.0
2.75
2.5
-40 -20 0 20 40 60 80
TEMPERATURE – °C
Figure 13. FAULT detection delay vs. tempera-
ture.
300 mV
0 mV
V_IN 300 mV/D
-300 mV
5V
2.5 V
V_OUT (PIN 12) 2.5 V/D
0V
5V
2.5 V
0V
5V
2.5 V
ABSVAL (PIN 13)
2.5 V/D
FAULT (PIN 14) 2.5 V/D
0V
5.00 μs/DIV
Figure 14. Step response, 0 to 200 mV input, at
V = 5 V.
REF
300 mV
0 mV
-300 mV
5V
2.5 V
0V
5V
2.5 V
0V
5V
2.5 V
0V
V_IN 300 mV/D
V_OUT (PIN 12)
2.5 V/D
ABSVAL (PIN 13)
2.5 V/D
FAULT (PIN 14) 2.5 V/D
5.00 μs/DIV
300 mV
0 mV
-300 mV
5V
2.5 V
0V
5V
2.5 V
0V
5V
2.5 V
0V
V_IN 300 mV/D
V_OUT (PIN 12) 2.5 V/D
ABSVAL (PIN 13)
2.5 V/D
FAULT (PIN 14)
2.5 V/D
5.00 μs/DIV
300 mV
0 mV
-300 mV
5V
2.5 V
0V
5V
2.5 V
0V
5V
2.5 V
0V
V_IN 300 mV/D
V_OUT (PIN 12) 2.5 V/D
ABSVAL (PIN 13) 2.5 V/D
FAULT (PIN 14) 2.5 V/D
5.00 μs/DIV
Figure 15. FAULT detection, 0 to 300 mV input,
at V = 5 V.
REF
Figure 16. FAULT release, 300 to 0 mV input, at
V = 5 V.
REF
Figure 17. FAULT rejecting a 1 μs, 0 to 2 V to 0
input. Rejection is independent of amplitude.
2V
0 mV
-2 V
5.0 V
2.5 V
0V
5.0 V
2.5 V
0V
5.0 V
2.5 V
0V
V_IN 2.0 V/D
V_OUT (PIN 12) 2.5 V/D
ABSVAL (PIN 13)
2.5 V/D
FAULT
(PIN 14)
2.5 V/D
5.00 μs/DIV
Figure 18. Detection of 6 μs fault 0 to 2 V to
0 input, at V = 5 V.
REF
300 mV
0 mV
-300 mV
5V
2.5 V
0V
5V
2.5 V
0V
5V
2.5 V
0V
V_IN 300 mV/D
V_OUT (PIN 12) 2.5 V/D
ABSVAL (PIN 13) 2.5 V/D
FAULT (PIN 14) 2.5 V/D
100 μs/DIV
Figure 19. Sine response 400 mV pk to pk 4 kHz
input, at V = 5 V.
REF
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