Datasheet

LTC2850/LTC2851/LTC2852
7
285012fd
Figure 5. Driver Enable and Disable Timing Measurements
DRIVER
DI
V
CC
OR
GND
GND
OR
V
CC
V
CC
OR
GND
R
L
R
L
C
L
285012 F05a
Y
Z
DE
C
L
t
ZLD
,
t
ZLSD
t
ZHD
,
t
ZHSD
t
HZD
,
t
SHDN
t
LZD
1/2 V
CC
1/2 V
CC
1/2 V
CC
DE
Y OR Z
Z OR Y
V
CC
V
CC
V
OL
V
O
V
OH
0V
0V
0.5V
0.5V
285012 F05b
Figure 6. Receiver Propagation Delay Measurements
TesT circuiTs
A
B
V
CM
±V
AB
/2
±V
AB
/2
RO
C
L
285012 F06a
RECEIVER
t
PLHR
t
PHLR
90%
0
90%
10%
t
R
90%
10%
t
F
t
SKEWR
=
|
t
PLHR
– t
PHLR
|
90%
1/2 V
CC
1/2 V
CC
t
RR
t
FR
10%
285012 F06b
10%
V
AB
V
CC
V
O
0
–V
AB
RO
A-B
A
B
0V OR V
CC
V
CC
OR 0V
RO
RE
C
L
DI = 0V OR V
CC
R
L
V
CC
OR
GND
285012 F07a
RECEIVER
t
ZLR
,
t
ZLSR
t
ZHR
,
t
ZHSR
t
HZR
t
LZR
1/2 V
CC
1/2 V
CC
1/2 V
CC
RE
RO
RO
V
CC
V
CC
V
OL
V
O
V
OH
0V
0V
0.5V
0.5V
285012 F07b
Figure 7. Receiver Enable/Disable Time Measurements