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LTC490 Datasheet(Fiches technique) 3 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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3
LTC490
VCC = 5V ±5%
The q denotes specifications which apply over the full operating
temperature range.
Note 1: Absolute maximum ratings are those beyond which the safety of
the device cannot be guaranteed.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to device ground unless
otherwise specified.
Note 3: All typicals are given for VCC = 5V and Temperature = 25°C.
S
GC
C
HARA TERISTICS
WITCHI
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tPLH
Driver Input to Output
RDIFF = 54Ω, CL1 = CL2 = 100pF (Figures 2, 3)
q
10
30
50
ns
tPHL
Driver Input to Output
RDIFF = 54Ω, CL1 = CL2 = 100pF (Figures 2, 3)
q
10
30
50
ns
tSKEW
Driver Output to Output
RDIFF = 54Ω, CL1 = CL2 = 100pF (Figures 2, 3)
q
5ns
tr, tf
Driver Rise or Fall Time
RDIFF = 54Ω, CL1 = CL2 = 100pF (Figures 2, 3)
q
55
25
ns
tPLH
Receiver Input to Output
RDIFF = 54Ω, CL1 = CL2 = 100pF (Figures 2, 4)
q
40
70
150
ns
tPHL
Receiver Input to Output
RDIFF = 54Ω, CL1 = CL2 = 100pF (Figures 2, 4)
q
40
70
150
ns
tSKD
 tPLH – tPHL Differential Receiver Skew
RDIFF = 54Ω, CL1 = CL2 = 100pF (Figures 2, 4)
q
13
ns
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
Driver Output High Voltage vs
Driver Differential Output Voltage
Driver Output Low Voltage vs
Output Current
vs Output Current
Output Current
OUTPUT VOLTAGE (V)
0
0
–24
– 48
–72
–96
12
3
4
LTC490 • TPC01
TA = 25°C
OUTPUT VOLTAGE (V)
0
0
16
32
48
64
12
3
4
LTC490 • TPC02
TA = 25°C
OUTPUT VOLTAGE (V)
0
0
20
40
60
80
12
3
4
LTC490 • TPC03
TA = 25°C
TEMPERATURE (°C )
–50
310
320
330
340
350
0
50
100
LTC490 • TPC06
TEMPERATURE (°C )
–50
1.55
1.57
1.59
1.61
1.63
0
50
100
LTC490 • TPC04
TTL Input Threshold vs
Temperature
Driver Skew vs Temperature
Supply Current vs Temperature
TEMPERATURE (°C )
–50
5
4
3
2
1
0
50
100
LTC490 • TPC05




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