LTC1686CS8 Просмотр технического описания (PDF) - Linear Technology
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LTC1686CS8 Datasheet PDF : 12 Pages
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LTC1686/LTC1687
U
SWITCHING CHARACTERISTICS VDD = 5V, unless otherwise noted (Notes 2, 3).
SYMBOL PARAMETER
Minimum Input Pulse Width
Maximum Data Rate
Maximum Input Frequency
CONDITIONS
MIN TYP MAX UNITS
VDD = 5V ±5% (Note 4)
LTC1686C/LTC1687C q
LTC1686I/LTC1687I q
17
19.2
ns
20
25
ns
VDD = 5V ±5% (Note 4) LTC1686C/LTC1687C q 52
60
LTC1686I/LTC1687I q 40
50
Mbps
Mbps
VDD = 5V ±5% (Note 4) LTC1686C/LTC1687C q 26
30
MHz
LTC1686I/LTC1687I q 20
25
MHz
The q denotes specifications which apply over the full operating
temperature range.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All currents into the device pins are positive; all currents out of the
device pins are negative.
Note 3: All typicals are given for VDD = 5V, TA = 25°C.
Note 4: Guaranteed by design, but not tested.
Note 5: Short-circuit current does not represent output drive capability.
When the output detects a short-circuit condition, output drive current is
significantly reduced (from hundreds of mA to 20mA max) until the short
is removed.
TYPICAL PERFORMANCE CHARACTERISTICS
Receiver Input CMRR
46.5
46.0
45.5
45.0
44.5
44.0
43.5
43.0
42.5
TA = 25°C
42.0
10
1k
100k
FREQUENCY (Hz)
1M
1686/87 G01
Receiver Propagation Delay
vs Load Capacitance
30
TA = 25°C
25
20
15
10
5
0
5 15 25 35 55 105 205
LOAD CAPACITANCE (pF)
1686/87 G04
4
Supply Current vs Data Rate
70
BOTH DRIVER AND RECEIVER
ENABLED AND LOADED
60 TA = 25°C
50
40
30
20
10
0
1
10
20
30
40
50
DATA RATE (Mbps)
1686/87 G02
Receiver Propagation Delay
vs Common Mode
25
TA = 25°C
20
15
10
5
0
– 7 – 4 – 2 0 2 4 6 8 10 12
RECEIVER COMMON MODE (V)
1686/87 G05
Supply Current vs Temperature
58
57
56
55
54
53
52
BOTH DRIVER AND RECEIVER
51 ENABLED AND LOADED
25Mbps DATA RATE
50
– 25
0
25
50
TEMPERATURE (°C)
75 100
1686/87 G03
Receiver Propagation Delay
vs Input Overdrive
25
TA = 25°C
20
15
10
5
0
0.3 0.5 0.7 1.0 1.25 1.5 2.0 2.5
RECEIVER INPUT OVERDRIVE (V)
1686/87 G06
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