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LT1791AC датащи(PDF) 4 Page - Linear Technology

номер детали LT1791AC
подробное описание детали  60V Fault Protected RS485/RS422 Transceivers
PDF  12 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LT1791AC датащи(HTML) 4 Page - Linear Technology

  LT1791AC Datasheet HTML 1Page - Linear Technology LT1791AC Datasheet HTML 2Page - Linear Technology LT1791AC Datasheet HTML 3Page - Linear Technology LT1791AC Datasheet HTML 4Page - Linear Technology LT1791AC Datasheet HTML 5Page - Linear Technology LT1791AC Datasheet HTML 6Page - Linear Technology LT1791AC Datasheet HTML 7Page - Linear Technology LT1791AC Datasheet HTML 8Page - Linear Technology LT1791AC Datasheet HTML 9Page - Linear Technology Next Button
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LT1785/LT1785A
LT1791/LT1791A
SWITCHI G CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tPLH
Driver Input to Output
Figures 3, 5
q
700
2000
ns
tPHL
Driver Input to Output
Figures 3, 5
q
700
2000
ns
tSKEW
Driver Output to Output
Figures 3, 5
100
ns
tr, tf
Driver Rise or Fall Time
Figures 3, 5
q
200
800
2000
ns
tZH
Driver Enable to Output High
Figures 4, 6
q
500
3000
ns
tZL
Driver Enable to Output Low
Figures 4, 6
q
800
3000
ns
tLZ
Driver Disable Time from Low
Figures 4, 6
q
200
5000
ns
tHZ
Driver Disable Time from High
Figures 4, 6
q
800
5000
ns
tPLH
Receiver Input to Output
Figures 3, 7
q
400
900
ns
tPHL
Receiver Input to Output
Figures 3, 7
q
400
900
ns
tSKD
Differential Receiver Skew
200
ns
tZL
Receiver Enable to Output Low
Figures 2, 8
q
300
1000
ns
tZH
Receiver Enable to Output High
Figures 2, 8
q
300
1000
ns
tLZ
Receiver Disable from Low
Figures 2, 8
q
400
1000
ns
tHZ
Receiver Disable from High
Figures 2, 8
q
400
1000
ns
fMAX
Maximum Data Rate
q
250
kbps
tSHDN
Time to Shut Down
Figures 2, 6, 8
3
µs
tZH(SHDN)
Driver Enable from Shutdown to Output High
Figures 2, 6; RE = 5V
12
µs
tZL(SHDN)
Driver Enable from Shutdown to Output Low
Figures 2, 6; RE = 5V
12
µs
tZH(SHDN)
Receiver Enable from Shutdown to Output High
Figures 2, 8; DE = 0V
4
µs
tZL(SHDN)
Receiver Enable from Shutdown to Output Low
Figures 2, 8; DE = 0V
4
µs
TYPICAL PERFORMANCE CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
LOAD RESISTANCE (
Ω)
10
4
3
2
1
0
100
1k
1785/91 G01
TA = 25°C
Driver Differential Output Voltage
vs Load Resistance
TEMPERATURE (
°C)
–40
1000
800
600
400
200
0
0
40
60
1785/91 G03
–20
20
80
100
tPLH
tPHL
Receiver Propagation Delay
vs Temperature
TEMPERATURE (
°C)
–40
3.0
2.5
2.0
1.5
1.0
0.5
0
0
40
60
1785/91 G03
–20
20
80
100
R = 27
Ω
Driver Differential Output Voltage
vs Temperature
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C, VCC = 5V.



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