Datasheet
SN65175, SN75175
QUADRUPLE DIFFERENTIAL LINE RECEIVERS
SLLS145C − OCTOBER 1990 − REVISED NOVEMBER 2006
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
0
− 0.25
− 0.75
−1
−8 −6 −4 0 2 4 6
− Input Current − mA
0.25
0.75
INPUT CURRENT
vs
INPUT VOLTAGE
1
108
− 0.5
0.5
I
I
V
I
− Input Voltage − V
V
CC
= 5 V
T
A
= 25°C
The Unshaded Area
Conforms to
Figure 3.2 of
EIA RS-485
−2 12
Figure 12
APPLICATION INFORMATION
1/4 SN75172
1/4 SN75173
1/4 SN75172 1/4 SN75173 1/4 SN751741/4 SN75173
1/4 SN75175
1/4 SN75174
Up to 32
Driver/Receiver
Pairs
R
T
R
T
NOTE A: The line should be terminated at both ends in its characteristicc impedance (R
T
= Z
O
). Stub lengths off the main line should be kept
as short as possible.
Figure 13. Typical Application Circuit