SP3508EB Datasheet, PDF (20/36 Pages) Sipex Corporation – Evaluation Board Manual

A
50Ω
50Ω
B
O scilloscope
50Ω
C
A
V₂
V₁
50Ω
24kHz, 550mV _p-p
S ine Wa ve
B
C
Figure 28. V.35 Driver Output Rise/Fall Time
Figure 29. V.35 Receiver Input Source Impedance
A
B
I_sc
±2V
C
Figure 30. V.35 Receiver Input Short-Circuit Imped-
ance
Any one of the three conditions f or disab ling the dr iver.
V _CC = 0V
11
1
D₂
D₁
D₀
A
V _CC
I_{ZS C}
±10V
Logic “1”
I_{ZS C}
±10V
B
Figure 31. Driver Output Leakage Current Test
T_IN
B
A
f_IN (50% Duty Cycle, 2.5V _P-P )
C_L1
C_L2
B
R _{OU T}
A
15pF
Figure 32. Driver/Receiver Timing Test Circuit
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • [phone] • www.exar.com

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SP3508_100_072208