LTC1518IS Просмотр технического описания (PDF) - Linear Technology
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LTC1518IS Datasheet PDF : 12 Pages
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LTC1518/LTC1519
DC ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDD = 5V ±5% (Notes 2, 3) per receiver, unless otherwise noted.
SYMBOL
CMRR
PARAMETER
Max VID for Fail-Safe Detection
Min Time to Detect Fault Condition
Common Mode Rejection Ratio
CONDITIONS
–7V ≤ VCM ≤ 12V
VCM = 2.5V, f = 26MHz (Note 4)
MIN
TYP
MAX
UNITS
25
mV
2
µs
45
dB
UW
SWITCHI G TI E CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VDD = 5V ±5% (Notes 2, 3) VID = 1.5V, VCM = 2.5V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
tPLH, tPHL Input-to-Output Propagation Delay
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 1)
q
15
18.5
22
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 1) q
12
25
tr, tf
Rise/Fall Times
CL = 15pF
2.5
tSKD
tPLH – tPHL Skew
CL = 15pF, Same Receiver (Note 5)
500
tZL
Enable to Output Low
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 2)
q
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 2)
10
35
15
tZH
Enable to Output High
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 2)
q
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 2)
10
35
15
tLZ
Disable from Output Low
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 2)
q
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 2)
20
35
25
tHZ
Disable from Output High
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 2)
q
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 2)
20
35
25
tCH-CH Channel-to-Channel Skew
CL = 15pF (Figure 3, Note 6)
500
tPKG-PKG Package-to-Package Skew
CL = 15pF, Same Temperature
1.5
(Figure 4, Note 4)
tr, tf Input Maximum Input Rise or Fall Time
Minimum Input Pulse Width
fIN(MAX) Maximum Input Frequency
Maximum Data Rate
CL
Load Capacitance
(Note 4)
q
0°C ≤ TA ≤ 70°C (Note 4)
q
– 40°C ≤ TA ≤ 85°C (Note 4)
q
Square Wave, 0°C ≤ TA ≤ 70°C (Note 4) q
26
Square Wave, – 40°C ≤ TA ≤ 85°C (Note 4) q
20
0°C ≤ TA ≤ 70°C (Note 4)
– 40°C ≤ TA ≤ 85°C (Note 4)
q
52
q
40
(Note 4)
2000
12
19.2
16
25
40
30
80
65
500
UNITS
ns
ns
ns
ps
ns
ns
ns
ns
ns
ns
ns
ns
ps
ns
ns
ns
ns
MHz
MHz
Mbps
Mbps
pF
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: Worst-case tPLH – tPHL skew for a single receiver in a package
over the full operating temperature range.
Note 6: Maximum difference between any two tPLH or tPHL transitions in a
single package over the full operating temperature range.
Note 7: Short-circuit current does not represent output drive capability.
When the output detects a short-circuit condition, output drive current is
significantly reduced until the short is removed.
3
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