Datasheet

LTM2881
11
2881fg
For more information www.linear.com/LTM2881
A
B
V
CM
±V
AB
/2
±V
AB
/2
RO
C
L
2881 F06a
RECEIVER
t
PLHR
t
PHLR
90%
0
90%
10%
t
R
90%
10%
t
F
90%
1/2 V
L
1/2 V
L
t
RR
t
FR
10%
2881 F06b
10%
V
AB
V
L
0
–V
AB
RO
A-B
Figure 6. Receiver Propagation Delay Measurements
DRIVER
DI
V
L
OR
GND
GND
OR
V
CC2
V
CC2
OR
GND
R
L
R
L
C
L
2881 F05a
Y
Z
DE
C
L
t
ZLD
t
ZHD
t
HZD
t
LZD
1/2 V
L
1/2 V
CC2
1/2 V
CC2
DE
Y OR Z
Z OR Y
V
L
V
CC2
0V
0V
0.5V
0.5V
2881 F05b
Figure 5. Driver Enable and Disable Timing Measurements
TEST CIRCUITS
DRIVER
DI
R
DIFF
C
L
C
L
2881 F04a
Y
Z
1/2 V
OD
90% 90%
0 0
10%
2881 F04b
10%
V
OD
V
L
Y, Z
DI
(Y-Z)
0V
t
SKEWD
t
PLHD
t
RD
t
FD
t
PHLD
Figure 4. Driver Timing Measurement