參數(shù)資料
型號: MXL1535EEWI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 通用總線功能
英文描述: +3V to +5V, 2500VRMS Isolated RS-485/RS-422 Transceivers with 【15kV ESD Protection
中文描述: LINE TRANSCEIVER, PDSO28
封裝: SOIC-28
文件頁數(shù): 18/25頁
文件大?。?/td> 794K
代理商: MXL1535EEWI
M
+3V to +5V, 2500V
RMS
Isolated RS-485/RS-422
Transceivers with ±15kV ESD Protection
18
______________________________________________________________________________________
Functional Tables
Table 1. Transmitting Logic
TRANSMITTING LOGIC
INPUTS
OUTPUTS
DE
1
1
0
DI
1
0
X
Y
1
0
Z
0
1
High impedance
High impedance
Table 2. Receiving Logic
RECEIVING LOGIC
INPUTS
OUTPUTS
RE
0
0
0
1
1
1
V
A
- V
B
>-10mV
<-200mV
RO1
1
0
1
RO2
1
0
1
1
0
1
Inputs open/shorted
>-10mV
<-200mV
Inputs open/shorted
High impedance
High impedance
High impedance
Table 3. Fault Mode
NORMAL
MODE
FAULT MODES
FUNCTION
V
CC1
> V
UVH1
V
CC2
> V
UVH2
V
CC1
< V
UVL1
V
CC2
> V
UVH2
V
CC1
> V
UVH1
V
CC2
< V
UVL2
V
CC1
< V
UVL1
V
CC2
< V
UVL2
THERMAL
SHUTDOWN
INTERNAL
COMMUNICATION
FAULT
Transformer
driver
(ST1, ST2)
On
On
On
On
Off
On
RE
= 0
Active
High
High
High
High
High
RE
= V
CC1
High
impedance
High
impedance
High
impedance
High
impedance
High
impedance
High impedance
RO1
RE
= floating
Active
High
impedance
High
impedance
High
impedance
High
impedance
High impedance
RO2
Active
Active
Active
Active
Active
Active
Driver outputs (Y, Z)
Active
High
impedance
High
impedance
High
impedance
High
impedance
High impedance
Internal barrier
communication
Active
Disabled
Disabled
Disabled
Disabled
Communication
attempted
Fault indicator on
RE
Low
(60μA pull-
down)
High
(100μA pullup)
High
(100μA pullup)
High
(100μA pullup)
High
(100μA pullup)
High
(100μA pullup)
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