SP508E Datasheet, PDF (10/29 Pages) Exar Corporation – Rugged 20Mbps, 8 Channel Multi-Protocol Transceiver with Programmable DCE/DTE and Termination Resistors

Test Circuits
A
V_OC
C
A
3k
V_T
C
Figure 1. V.28 Driver Output Open Circuit Voltage
Figure 2. V.28 Driver Output Loaded Voltage
A
7k
V_T
Oscilloscope
C
Scope used for slew rate
measurement.
A
I_sc
C
Figure 3. V.28 Driver Output Slew Rate
V_CC = 0V
Figure 4. V.28 Driver Output Short-Circuit Current
A
I_x
±2V
C
A
3k
2500pF Oscilloscope
C
Figure 5. V.28 Driver Output Power-Off Impedance
Figure 6. V.28 Driver Output Rise/Fall Times
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.comSP508E_100_072412
10