參數(shù)資料
型號(hào): MAX3440E
廠商: Maxim Integrated Products, Inc.
英文描述: Single Full-Duplex LVDS Transceiver 8-SOIC -40 to 85
中文描述: ±15kV ESD保護(hù)、±60V故障保護(hù)、10Mbps、失效保護(hù)型RS-485/J1708收發(fā)器
文件頁(yè)數(shù): 11/20頁(yè)
文件大?。?/td> 368K
代理商: MAX3440E
M
±15kV ESD-Protected, ±60V Fault-Protected,
10Mbps, Fail-Safe RS-485/J1708 Transceivers
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11
Function Tables
INPUTS
OUTPUTS
A-B
V
ID
DIFFERENTIAL
INPUT VOLTAGE
COMMON-MODE
VOLTAGE
RO
FAULT
CONDITIONED
BY DELAY
FAULT CONDITION
0.45V
1
1
1
0
Normal operation
Indeterminate
Low-input differential voltage
<0.45V and
0.27V
<0.27V and
-0.05V
Indeterminate
1
-0.05V and
-0.2V
Indeterminate
(Note 1)
1
Low-input differential voltage
-0.2V and >-0.27V
-0.27V and >-0.45V
-0.45V
X
0
0
0
1
Low-input differential voltage
Indeterminate
0
1
12V and
-7V
Indeterminate
<-7V or >+12V
Indeterminate
Outside common-mode voltage range
Table 1. MAX3440E/MAX3441E Fault Table
X = Don’t care.
Note 1
: Receiver output may oscillate with this differential input condition.
TRANSMITTING
INPUTS
OUTPUTS
DE/RE
0
1
1
DI
X
0
1
A
B
High-Z
0
1
High-Z
1
0
Table 2. MAX3440E/MAX3441E
(RS-485/RS-422)
X = Don’t care.
TRANSMITTING
INPUTS
DE
0
1
1
0
1
1
OUTPUTS
RE
0
0
0
1
1
1
DI
X
0
1
X
0
1
A
B
High-Z
0
1
Shutdown
0
1
High-Z
1
0
Shutdown
1
0
Table 3. MAX3442E/MAX3443E
(RS-485/RS-422)
X = Don’t care.
TRANSMITTING
OUTPUTS
A
High-Z
High-Z
1
High-Z
INPUTS
TXD
0
1
0
1
CONDITIONS
Dominant state
Recessive state
DE
1
1
0
0
B
High-Z
High-Z
0
High-Z
Table 4. MAX3444E (J1708) Application
RECEIVING
INPUTS
OUTPUTS
RO
1
0
1
High-Z
DE/RE
0
0
0
1
(A - B)
-0.05V
-0.2V
Open/shorted
X
Table 5. MAX3440E/MAX3441E
(RS-485/RS-422)
X = Don’t care.
相關(guān)PDF資料
PDF描述
MAX3441E Single Full-Duplex LVDS Transceiver 8-MSOP -40 to 85
MAX3441EESA Single Full-Duplex LVDS Transceiver 8-MSOP -40 to 85
MAX3442E Single Full-Duplex LVDS Transceiver 8-MSOP -40 to 85
MAX3442EESA Single Full-Duplex LVDS Transceiver 8-SOIC -40 to 85
MAX3443E Single Full-Duplex LVDS Transceiver 8-SOIC -40 to 85
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