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參數(shù)資料
| 型號： | LT1785 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 60V Fault Protected Half-Duplex,RS485/RS422 Transceivers(60V,故障保護,半雙工RS485/RS422收發(fā)器) |
| 中文描述： | 60V的故障保護半雙工，RS485/RS422收發(fā)器（60V的故障保護，半雙工RS485/RS422收發(fā)器） |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 200K |
| 代理商： | LT1785 |
4
LT1785/LT1785A
LT1791/LT1791A
SWITCHU
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C, V
CC
= 5V.
SYMBOL
t
PLH
t
PHL
t
SKEW
t
r
, t
f
t
ZH
t
ZL
t
LZ
t
HZ
t
PLH
t
PHL
t
SKD
t
ZL
t
ZH
t
LZ
t
HZ
f
MAX
t
SHDN
t
ZH(SHDN)
t
ZL(SHDN)
t
ZH(SHDN)
t
ZL(SHDN)
PARAMETER
Driver Input to Output
Driver Input to Output
Driver Output to Output
Driver Rise or Fall Time
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
Receiver Input to Output
Receiver Input to Output
Differential Receiver Skew
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable from Low
Receiver Disable from High
Maximum Data Rate
Time to Shut Down
Driver Enable from Shutdown to Output High
Driver Enable from Shutdown to Output Low
Receiver Enable from Shutdown to Output High
Receiver Enable from Shutdown to Output Low
CONDITIONS
Figures 3, 5
Figures 3, 5
Figures 3, 5
Figures 3, 5
Figures 4, 6
Figures 4, 6
Figures 4, 6
Figures 4, 6
Figures 3, 7
Figures 3, 7
MIN
TYP
700
700
100
800
500
800
200
800
400
400
200
300
300
400
400
MAX
2000
2000
UNITS
G
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
G
G
200
2000
3000
3000
5000
5000
900
900
G
G
G
G
G
G
Figures 2, 8
Figures 2, 8
Figures 2, 8
Figures 2, 8
G
1000
1000
1000
1000
G
G
G
G
250
kbps
Figures 2, 6, 8
Figures 2, 6; RE = 5V
Figures 2, 6; RE = 5V
Figures 2, 8; DE = 0V
Figures 2, 8; DE = 0V
3
μ
s
μ
s
μ
s
μ
s
μ
s
12
12
4
4
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
LOAD RESISTANCE (
)
10
O
4
3
2
1
0
100
1k
1785/91 G01
T
A
= 25
°
C
Driver Differential Output Voltage
vs Load Resistance
TEMPERATURE (
°
C)
–40
D
1000
800
600
400
200
0
0
40
60
1785/91 G03
–20
20
80
100
t
PLH
t
PHL
Receiver Propagation Delay
vs Temperature
TEMPERATURE (
°
C)
–40
D
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
Driver Differential Output Voltage
vs Temperature
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LT1785_1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:60V Fault Protected RS485/RS422 Transceivers |
| LT1785A | 制造商:LINER 制造商全稱:Linear Technology 功能描述:60V Fault Protected RS485/RS422 Transceivers |
| LT1785AC | 制造商:LINER 制造商全稱:Linear Technology 功能描述:60V Fault Protected RS485/RS422 Transceivers |
| LT1785ACN8 | 功能描述:IC TXRX 60V RS485/RS422 8DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:27 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC 包裝:管件 |
| LT1785ACN8#PBF | 功能描述:IC TXRX 60V RS485/RS422 8DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:27 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC 包裝:管件 |
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