LTC1518I 데이터 시트보기 (PDF) - Linear Technology
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LTC1518I Datasheet PDF : 12 Pages
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LTC1518/LTC1519
APPLICATIO S I FOR ATIO
Note that due to the increased skew, this configuration
might not operate at the highest data rates. To transmit
single-ended data over short to medium distances, twisted
pair is recommended with the unused wire grounded at
both ends (Figure 7).
Differential Transmission
Data rates up to 52Mbps can be transmitted over 100 feet
of high quality category 5 twisted pair. Figure 8 shows the
LTC1518 receiving differential data from an LTC1685
transceiver. As in the single-ended configurations, care
must be taken to properly terminate the differential data
lines to avoid unwanted reflections, etc.
5V
100Ω 10-FT TWISTED PAIR
MC74ACT04
MC74AC04
5V
3.3k
0.01µF
1k
100Ω
– 1/4
LTC1518
LTC1519
+
1518/19 F07
Figure 7. Medium Distance Single-Ended Transmission
Using a CMOS Driver
RE
2
RO 1
DI 4
7
6
3
DE
LTC1685
100Ω
100Ω
EN 4 A 1
EN
12
2B
1/4 LTC1518
3
RO
RE
2
1 RO
7
6
4 DI
3
DE
LTC1685
1518/19 F08
Figure 8. LTC1518 Connected to LTC1685
High Speed RS485 Transceiver
9
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