Datasheet

SN75174
QUADRUPLE DIFFERENTIAL LINE DRIVER
SLLS039B – OCTOBER 1980 – REVISED MAY 1995
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 9
V
CC
– Supply Voltage – V
ICC – Supply Current – mA
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
Grounded
Inputs
90
80
70
60
50
40
30
20
10
7654321
0
8
100
0
T
A
= 25°C
Outputs Enabled
No Load
CC
I
Inputs Open
Figure 10
V
CC
– Supply Voltage – V
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
25
20
15
10
5
765432
0
8
30
0
Outputs Disabled
T
A
= 25°C
Input Open
No Load
ICC – Supply Current – mA
CC
I
1
APPLICATION INFORMATION
1/4 SN75175
1/4 SN75174
RS-485 Unit Loads
Up to 32
1/4 SN751741/4 SN751731/4 SN75172 1/4 SN75173
1/4 SN75173
1/4 SN75172
R
T
R
T
NOTE: The line length should be terminated at both ends in its characteristic impedance (R
T
= Z
O
). Stub lengths off the main line should be
kept as short as possible.
Figure 11. Typical Application Circuit