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參數(shù)資料
型號： LTC1688CS
廠商： Linear Technology
文件頁數(shù)： 6/12頁
文件大?。?/td> 0K
描述： IC DVR 100MBPS RS485 QUAD 16SOIC
標(biāo)準(zhǔn)包裝： 50
類型： 驅(qū)動器
驅(qū)動器/接收器數(shù)： 4/0
規(guī)程： RS485
電源電壓： 3V，5V
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
LTC1688/LTC1689
16889fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOC
Change in Magnitude of Driver Common
R = 25
or 50, Figure 1
0.1
V
Mode Output Voltage for Complementary
Output States
VIH
Input High Voltage
EN, ENB, EN12, EN34, DI
q
1.4
V
VIL
Input Low Voltage
EN, ENB, EN12, EN34, DI
q
0.5
V
IIN1
Input Current
EN, ENB, EN12, EN34, DI (Note 3)
q
±1
A
IOZ
Three-State (High Impedance)
VOUT = – 7V to 10V (Note 3)
q
±1
±200
A
Output Current
IDD
Supply Current of Entire Device
No Load, Digital Input Pins = 0V or VDD
5mA
IOSD1
Driver Short-Circuit Current, VOUT = HIGH
VOUT = – 7V to 8V (Note 3)
q
±20
mA
IOSD2
Driver Short-Circuit Current, VOUT = LOW
VOUT = – 7V to 8V (Note 3)
q
±20
mA
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: Guaranteed by design or correlation, but not tested.
SWITCHING CHARACTERISTICS
U
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD = 5V, TA = 25°C, Unless Otherwise Noted (Note 2)
tPLH, tPHL
Driver Input-to-Output Propagation Delay
RDIFF = 50, CL1 = CL2 = 25pF,
q
48
12
ns
Figures 2, 4
tSKEW
Driver Output-to-Output Skew
RDIFF = 50, CL1 = CL2 = 25pF,
500
ps
Figures 2, 4
tr, tf
Driver Rise/Fall Time
RDIFF = 50, CL1 = CL2 = 25pF,
2
ns
Figures 2, 4
tZH
Driver Enable to Output High
CL = 25pF, S2 Closed, Figures 3, 5
q
10
35
ns
tZL
Driver Enable to Output Low
CL = 25pF, S1 Closed, Figures 3, 5
q
10
35
ns
tLZ
Driver Disable from Low
CL = 15pF, S1 Closed, Figures 3, 5
q
25
65
ns
tHZ
Driver Disable from High
CL = 15pF, S2 Closed, Figures 3, 5
q
25
65
ns
CL(MAX)
Maximum Output Capacitive Load
(Note 3)
q
200
pF
Maximum Data Rate
(Note 3)
q
100
Mbps
Maximum Driver Input Rise/Fall Time
(Note 3)
q
500
ns
VDD = 3V, TA = 25°C, Unless Otherwise Noted (Note 2)
tPLH, tPHL
Driver Input-to-Output Propagation Delay
RDIFF = 50, CL1 = CL2 = 25pF,
11
ns
Figures 2, 4
tSKEW
Driver Output-to-Output Skew
RDIFF = 50, CL1 = CL2 = 25pF,
1
ns
Figures 2, 4
tr, tf
Driver Rise/Fall Time
RDIFF = 50, CL1 = CL2 = 25pF,
4
ns
Figures 2, 4
tZH
Driver Enable to Output High
CL = 25pF, S2 Closed, Figures 3, 5
25
ns
tZL
Driver Enable to Output Low
CL = 25pF, S1 Closed, Figures 3, 5
25
ns
tLZ
Driver Disable from Low
CL = 15pF, S1 Closed, Figures 3, 5
50
ns
tHZ
Driver Disable from High
CL = 15pF, S2 Closed, Figures 3, 5
50
ns
CL(MAX)
Maximum Output Capacitive Load
(Note 3)
q
200
pF
Maximum Data Rate
50
Mbps
Maximum Driver Input Rise/Fall Time
(Note 3)
q
500
ns
DC ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.
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