LTC1687IS#TRPBF Linear Technology, LTC1687IS#TRPBF Datasheet - Page 7

• Manufacturer Part Number: LTC1687IS#TRPBF
• Description: IC TXRX RS485 PREC DELAY 14-SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC1687IS#TRPBF

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SWITCHI G TI E WAVEFOR S
Y, Z
Y, Z
A – B
D
DE
RE
–V
R
R
R
V
V
–V
V
3V
0V
5V
OH
0V
OL
V
V
V
OD2
OD2
U
3V
0V
0V
OH
3V
0V
5V
0V
Y
OL
Z
O
O
W
V
O
1/2 V
O
t
Figure 8. Receiver Enable and Disable Times
10%
r
Figure 6. Driver Enable and Disable Times
t
t
ZH
ZL
t
Figure 7. Receiver Propagation Delays
1.5V
t
t
PHL
ZH
ZL
Figure 5. Driver Propagation Delays
W
90%
t
1.5V
t
PLH
SKEW
2.5V
2.5V
1.5V
0V
2.5V
2.5V
f = 1MHz, t
2.5V
f = 1MHz, t
f = 1MHz, t
OUTPUT NORMALLY HIGH
f = 1MHz, t
OUTPUT NORMALLY LOW
V
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
DIFF
r
= V(Y) – V(Z)
3ns, t
r
r
r
f
3ns, t
3ns, t
OUTPUT
3ns, t
INPUT
3ns
f
f
f
3ns
3ns
3ns
t
PHL
t
t
HZ
LZ
t
t
t
LZ
t
HZ
f
PLH
1.5V
90%
1.5V
0.5V
0.5V
10%
1.5V
0.5V
0.5V
LTC1686/LTC1687
t
SKEW
2.5V
1/2 V
O
1686/87 F06
1686/87 F05
1686/87 F07
1686/87 F08
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