MAX3535E Maxim, MAX3535E Datasheet - Page 18

• Manufacturer Part Number: MAX3535E
• Description: +3V to +5V / 2500VRMS Isolated RS-485/RS-422 Transceivers with 15kV ESD Protection
• Manufacturer: Maxim

+3V to +5V, 2500V
Transceivers with ±15kV ESD Protection
Table 1. Transmitting Logic
Table 2. Receiving Logic
Table 3. Fault Mode
18
RO1
Fault indicator on RE
Driver outputs (Y, Z)
communication
Internal barrier
______________________________________________________________________________________
Transformer
FUNCTION
(ST1, ST2)
driver
RE = floating
RO2
RE = V
RE = 0
RE
DE
0
0
0
1
1
1
1
1
0
CC1
V
V
CC1
CC2
impedance
(60µA pull-
NORMAL
INPUTS
INPUTS
MODE
Active
Active
Active
Active
Active
down)
High
Low
On
> V
> V
UVH1
UVH2
Inputs open/shorted
Inputs open/shorted
(100µA pullup)
V
V
CC2
CC1
impedance
impedance
impedance
<-200mV
<-200mV
>-10mV
>-10mV
Disabled
V
Active
A
High
High
High
High
High
On
DI
< V
> V
- V
1
0
X
RMS
B
UVH2
UVL1
TRANSMITTING LOGIC
RECEIVING LOGIC
(100µA pullup)
V
V
CC1
impedance
impedance
impedance
CC2
Disabled
Isolated RS-485/RS-422
Active
High
High
High
High
High
On
> V
< V
UVH1
UVL2
High impedance
High impedance
High impedance
High impedance
(100µA pullup)
V
V
FAULT MODES
CC1
CC2
impedance
impedance
impedance
Disabled
RO1
Active
1
0
1
High
High
High
High
High
Y
1
0
On
< V
< V
UVL1
UVL2
OUTPUTS
OUTPUTS
(100µA pullup)
SHUTDOWN
impedance
impedance
impedance
THERMAL
Disabled
Active
High
High
High
High
High
Functional Tables
Off
High impedance
COMMUNICATION
High impedance
High impedance
High impedance
RO2
Communication
(100µA pullup)
1
0
1
1
0
1
Z
0
1
INTERNAL
attempted
FAULT
Active
High
High
On