Datasheet

2
1
0
− Output Voltage − V
3
4
5
V
ID
− Differential Input Voltage − mV
V
O
− 80 − 60 − 40 − 20 0 20 40 60 80
6
V
IC
= 12 V
V
IC
= 0 V
V
IC
= −7 V
40
5
25
15
0
50
30
10 k 100 k 1 M 10 M 100 M
45
10
20
35
f − Frequency − Hz
− Average Supply Current − mAI
CC
60
55
T
A
= 25°C
V
CC
= 5 V
DRVR and RCVR Enabled
Driver Load = Receiver Inputs
Receiver Load = 50 pF
20
21
22
23
24
25
26
27
28
29
30
-60 -40 -20 0 20 40 60 80 100 120
T - AmbientTemperature-°C
A
ReceiverOutputDelay-ns
− 0.4
− 0.6
− 0.8
− 1
− 8 − 6 − 4 − 2 0 2
− Bus Input Current − mA
− 0.2
0
0.2
4 6 8 10 12
0.4
0.6
0.8
I
I
V
I
− Input Voltage − V
1
T
A
= 25°C
V
CC
= 5 V
The shaded region of this graph represents
more than 1 unit load per RS-485.
SN55LBC180
SN65LBC180
SN75LBC180
SLLS174G – FEBRUARY 1994 – REVISED APRIL 2009 ................................................................................................................................................... www.ti.com
RECEIVER
OUTPUT VOLTAGE AVERAGE SUPPLY CURRENT
vs vs
DIFFERENTIAL INPUT VOLTAGE FREQUENCY
Figure 16. Figure 17.
RECEIVER
BUS INPUT CURRENT RECEIVER
vs PROPAGATION DELAY TIME
INPUT VOLTAGE vs
(COMPLEMENTARY INPUT AT 0 V) FREE-AIR TEMPERATURE
Figure 18. Figure 19.
12 Submit Documentation Feedback Copyright © 1994 – 2009, Texas Instruments Incorporated
Product Folder Link(s): SN55LBC180 SN65LBC180 SN75LBC180