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參數(shù)資料
| 型號： | LT1791C |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 60V Fault Protected RS485/RS422 Transceivers |
| 中文描述： | 60V的故障保護(hù)RS485/RS422收發(fā)器 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 196K |
| 代理商： | LT1791C |
7
LT1785/LT1785A
LT1791/LT1791A
FU
U
Figure 3. Driver/Receiver Timing Test Circuit
Figure 4. Driver Timing Test Load
5V
DE
A
B
DI
R
DIFF
C
L1
C
L2
RO
15pF
A
B
RE
1785/91 F03
OUTPUT
UNDER TEST
C
L
S1
S2
V
CC
500
1785/91 F04
LT1785 Transmitting
INPUTS
DE
1
1
0
1
1
OUTPUTS
B
1
0
Hi-Z
1
0
RE
0
0
1
1
1
DI
0
1
X
0
1
A
0
1
RO
0
1
Hi-Z
Hi-Z
Hi-Z
Hi-Z
0
1
LT1785 Receiving
INPUTS
RE
0
0
0
1
*
≥
0mV for LT1785A
OUTPUT
RO
0
1
1
Hi-Z
DE
0
0
0
0
DI
X
X
X
X
A-B
≤
–200mV
≥
200mV*
Open
X
LT1791
INPUTS
DE
0
0
0
1
1
1
1
1
1
0
1
1
*
≥
0mV for LT1791A
OUTPUTS
RE
0
0
0
0
0
0
0
0
0
1
1
1
DI
X
X
X
0
0
0
1
1
1
X
0
1
A-B
Y
Z
RO
0
1
1
0
1
1
0
1
1
Hi-Z
Hi-Z
Hi-Z
≤
–200mV
≥
200mV*
Open
≤
–200mV
≥
200mV*
Open
≤
–200mV
≥
200mV*
Open
X
X
X
Hi-Z
Hi-Z
Hi-Z
0
0
0
1
1
1
Hi-Z
0
1
Hi-Z
Hi-Z
Hi-Z
1
1
1
0
0
0
Hi-Z
1
0
TEST CIRCUITS
Figure 5. Driver Propagation Delays
DI
5V
1.5V
t
PLH
t
r
t
SKEW
1/2 V
O
V
O
f = 125kHz, t
r
≤
10ns, t
f
≤
10ns
90%
10%
0V
B
A
V
O
0V
–V
O
90%
10%
1.5V
t
PHL
t
SKEW
1/2 V
O
t
f
V
DIFF
= V(A) – V(B)
1785/91 F05
SWITCHU
W
W
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1791CN | 60V Fault Protected RS485/RS422 Transceivers |
| LT1791CS | 60V Fault Protected RS485/RS422 Transceivers |
| LT1791I | 60V Fault Protected RS485/RS422 Transceivers |
| LT1791IS | 60V Fault Protected RS485/RS422 Transceivers |
| LT1785ACN8 | 60V Fault Protected RS485/RS422 Transceivers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1791CN | 功能描述:IC TXRX RS485/RS422 60V 14-DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件 |
| LT1791CN#PBF | 功能描述:IC TXRX RS485/RS422 60V 14-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:RS-232 & USB Transceiver 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| LT1791CN-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:60V Fault Protected RS485/RS422 Transceivers |
| LT1791CN-TR | 制造商:LINER 制造商全稱:Linear Technology 功能描述:60V Fault Protected RS485/RS422 Transceivers |
| LT1791CN-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:60V Fault Protected RS485/RS422 Transceivers |
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