LTC2852 Linear Technology, LTC2852 Datasheet - Page 6

• Manufacturer Part Number: LTC2852
• Description: 3.3V 20Mbps RS485/RS422 Transceivers
• Manufacturer: Linear Technology

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LTC2850/LTC2851/LTC2852
TEST CIRCUITS
6
GND
V
OR
CC
Figure 1. Driver DC Characteristics
DI
DRIVER
DI
DRIVER
Y
Z
V
Y
Z
+
–
OD
Figure 3. Receiver Input Current and Input Resistance
R
DIFF
285012 F04a
R
R
285012 F01
Figure 4. Driver Timing Measurement
V
+
–
OC
V
IN
C
C
L
L
+
–
I
IN
R
A OR B
B OR A
(Y-Z)
IN
Y, Z
DI
=
V
V
I
IN
0V
IN
CC
V
RECEIVER
O
285012 F03
1/2 V
GND
V
OR
Figure 2. Driver Output Short-Circuit Current
CC
10%
O
t
PLHD
90%
DI
0
DRIVER
t
SKEWD
t
RD
Y
Z
t
PHLD
0
90%
10%
285012 F02
t
FD
I
OSD
285012 F04b
+
–
–7V TO 12V
285012fc