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參數(shù)資料
型號： LTC1519CS
廠商： Linear Technology
文件頁數(shù)： 6/12頁
文件大?。?/td> 0K
描述： IC LINE RCVR RS485 QUAD 16-SOIC
標(biāo)準(zhǔn)包裝： 50
類型： 線路接收器
驅(qū)動器/接收器數(shù)： 0/4
規(guī)程： RS422，RS485
電源電壓： 4.75 V ~ 5.25 V
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC
包裝： 管件
3
LTC1518/LTC1519
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Max VID for Fail-Safe Detection
–7V
≤ VCM ≤ 12V
25
mV
Min Time to Detect Fault Condition
2
s
CMRR
Common Mode Rejection Ratio
VCM = 2.5V, f = 26MHz (Note 4)
45
dB
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tPLH, tPHL
Input-to-Output Propagation Delay
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 1)
q
15
18.5
22
ns
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 1)
q
12
25
ns
tr, tf
Rise/Fall Times
CL = 15pF
2.5
ns
tSKD
tPLH – tPHL Skew
CL = 15pF, Same Receiver (Note 5)
500
ps
tZL
Enable to Output Low
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 2)
q
10
35
ns
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 2)
15
ns
tZH
Enable to Output High
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 2)
q
10
35
ns
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 2)
15
ns
tLZ
Disable from Output Low
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 2)
q
20
35
ns
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 2)
25
ns
tHZ
Disable from Output High
CL = 15pF, 0°C ≤ TA ≤ 70°C (Figure 2)
q
20
35
ns
CL = 15pF, – 40°C ≤ TA ≤ 85°C (Figure 2)
25
ns
tCH-CH
Channel-to-Channel Skew
CL = 15pF (Figure 3, Note 6)
500
ps
tPKG-PKG
Package-to-Package Skew
CL = 15pF, Same Temperature
1.5
ns
(Figure 4, Note 4)
tr, tf Input Maximum Input Rise or Fall Time
(Note 4)
q
2000
ns
Minimum Input Pulse Width
0
°C ≤ TA ≤ 70°C (Note 4)
q
12
19.2
ns
–40
°C ≤ TA ≤ 85°C (Note 4)
q
16
25
ns
fIN(MAX)
Maximum Input Frequency
Square Wave, 0
°C ≤ TA ≤ 70°C (Note 4)
q
26
40
MHz
Square Wave, – 40
°C ≤ TA ≤ 85°C (Note 4) q
20
30
MHz
Maximum Data Rate
0
°C ≤ TA ≤ 70°C (Note 4)
q
52
80
Mbps
–40
°C ≤ TA ≤ 85°C (Note 4)
q
40
65
Mbps
CL
Load Capacitance
(Note 4)
500
pF
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.
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 – tPHLskew 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.
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.
DC ELECTRICAL CHARACTERISTICS
SWITCHI G TI E CHARACTERISTICS
UW
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參數(shù)描述
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