Datasheet

LTC1480
5
1480fa
DI
3V
1.5V
t
PLH
t
r
t
SKEW
1/2 V
O
V
O
f = 1MHz, t
r
≤ 10ns, t
f
≤ 10ns
90%
10%
0V
B
A
V
O
–V
O
0V
90%
1.5V
t
PHL
t
SKEW
1/2 V
O
10%
t
f
V
DIFF
= V(A) – V(B)
1480 F05
SWITCHI G TI E WAVEFOR S
UW W
OUTPUT
UNDER TEST
C
L
S1
S2
V
CC
500Ω
1480 F04
3V
DE
A
B
DI
R
DIFF
C
L1
C
L2
RO
15pF
A
B
RE
1480 F03
LTC1480
RECEIVER
LTC1480
DRIVER
RECEIVER
OUTPUT
C
RL
1k
S1
S2
TEST POINT
V
CC
1k
1480 F02
V
OD
A
B
R
R
V
OC
1480 F01
TEST CIRCUITS
FU CTIO TABLES
UU
LTC1480 Transmitting
INPUTS OUTPUTS
RE DE DI B A
X1101
X1010
00XZZ
1 0 X Z* Z*
*Shutdown mode
LTC1480 Receiving
INPUTS OUTPUTS
RE DE A – B RO
00≥0.2V 1
00≤– 0.2V 0
0 0 Inputs Open 1
10 X Z*
*Shutdown mode
Figure 2. Receiver Timing Test Load
Figure 1. Driver DC Test Load
Figure 5. Driver Propagation Delays
Figure 4. Driver Timing Test Load
Figure 3. Driver/Receiver Timing Test Circuit