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LTC490 Datasheet(Fiches technique) 4 Page - Linear Technology

Numéro de pièce LTC490
Description  Differential Driver and Receiver Pair
Télécharger  8 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
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LTC490
4
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
PI
FU C
S
TI
VCC (Pin 1): Positive Supply; 4.75V ≤ VCC ≤ 5.25V.
R (Pin 2): Receiver Output. If A > B by 200mV, R will be
high. If A < B by 200mV, then R will be low.
D (Pin 3): Driver Input. A low on D forces the driver outputs
A low and B high. A high on D will force A high and B low.
GND (Pin 4): Ground Connection.
Y (Pin 5): Driver Output.
Z (Pin 6): Driver Output.
B (Pin 7): Receiver Input.
A (Pin 8): Receiver Input.
Driver Differential Output Voltage
Receiver
tPLH-tPHL vs
Receiver Output Low Voltage vs
vs Temperature
Temperature
Temperature
TEMPERATURE (°C )
–50
1.5
1.7
1.9
2.1
2.3
0
50
100
LTC490 • TPC07
RO = 54Ω
TEMPERATURE (°C )
–50
7
6
5
4
3
0
50
100
LTC490 • TPC08
TEMPERATURE (°C )
–50
0
0.2
0.4
0.6
0.8
0
50
100
LTC490 • TPC09
I = 8mA
TEST CIRCUITS
Figure 1. Driver DC Test Load
LTC490 • TA03
DRIVER
D
Y
Z
RECEIVER
RDIFF
A
B
15pF
CL1
CL2
R
Figure 2. Driver/Receiver Timing Test Circuit
LTC490 • TA02
Y
Z
R
R
VOD2
VOC




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