ltc2846cg-trpbf Linear Technology Corporation, ltc2846cg-trpbf Datasheet - Page 9

• Manufacturer Part Number: ltc2846cg-trpbf
• Description: 3.3v Software-selectable Multiprotocol Transceiver With Termination
• Manufacturer: Linear Technology Corporation

TEST CIRCUITS
Figure 5. V.35 Driver Open-Circuit Test
Figure 8. V.35 Driver AC Test Circuit
125
125
V
CM
Figure 1. V.11 Driver DC Test Circuit
V
V
Figure 3. Input Impedance Test Circuit
OB
OA
50
50
50
50
= 7V
+
–
D
Figure 11. V.28 Driver Test Circuit
V
OD
B
A
I
I
2846 F08
B
A
50
50
V
OD
2846 F05
R
R
B
A
L
L
125
D
R
R
R
IN
L
L
V
2846 F01
=
OC
2(V
I
B
V
B
A
OC
– I
– V
A
A
)
R
C
2846 F11
2846 F03
L
Figure 6. V.35 Driver Test Circuit
Figure 9. V.35 Receiver DC Test Circuit
125
R
L
V
V
OB
OA
50
50
V
V
CM
TH
+
+
–
–
2846 F09
2846 F06
50
50
Figure 12. V.28 Receiver Test Circuit
125
Figure 4. V.11, V.35 Receiver AC Test Circuit
V
A
V
Figure 2. V.11 Driver AC Test Circuit
CM
A
D
Figure 7. V.35 Driver Common Mode
Impedance Test Circuit
B
A
R
V
125
CM
Figure 10. Receiver Common Mode
Impedance Test Circuit
R
100
2846 F12
B
A
L
C
= 2V
L
R
50
50
2846 F02
+
–
2846 F04
C
L
C
100pF
C
100pF
L
L
LTC2846
2846 F10
51.5
51.5
2846 F07
125
+
–
sn2846 2846fs
V
CM
= 2V
9