A
A
Iia
±ꢀ5V
Voc
C
C
Figure 7. V.28 Receiver Input Impedance
Figure 8. V.28 Receiver Input Open Circuit Bias
A
A
VOC
V t
3.9kΩ
450Ω
C
C
Figure 9. V.ꢀ0 Driver Output Open-Circuit Voltage
Figure ꢀ0. V.ꢀ0 Driver Output Test Terminated Voltage
V
= 0V
CC
A
A
Ix
±0.±5V
Isc
C
C
Figure ꢀꢀ. V.ꢀ0 Driver Output Short-Circuit Current
Figure ꢀ2. V.ꢀ0 Driver Output Power-Off Current
Exar Coporation 48720 Kato Road, Fremont CA, 94538 • (5ꢀ0) 668-7000 • Fax (5ꢀ0) 668-70ꢀ7 • www.exar.com
SP505_ꢀ00_08ꢀ308
8