Pulse Generator tr = 5ns ZO= 50Ω
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+5V
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RL | (VIN) | ||
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Output |
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(VO )
Output 90% (VO )
5V
2.5V
0V
t PLH
VO
90%
HCPL-3700 AC/DC
VIN
10%
t r
10%
t f
1.5 V
VOL
to Logic
IIN
VFF
Pulse Amplitude = 50 V Pulse Width = 1 ms
f = 100 Hz
Tr = Tf = 1.0 ∝s (10 - 90%)
Fig. 9. Switching Test Circuit
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| VCC | 8 |
| +5V |
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A | 2 | DC+ |
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B |
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| CL** | VO | |
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Pulse Gen
**CL IS 30 pF, WHICH INCLUDES PROBE AND STRAY WIRING CAPACITANCE
VO
VCM H
VCM L
5V
5V CMH
Switching Pos. (A)
IIN = 0 mA
VO (Min)
VO (Max)
Switching Pos. (B)
IIN = 3.11 mA
VOL CML
Interface Optocoupler
Fig. 10. Test Circuit for Common Mode Transient Immunity and Typical Waveforms
©2005 Fairchild Semiconductor Corporation | www.fairchildsemi.com |
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