參數(shù)資料
型號： MAX1490B
廠商： Maxim Integrated Products, Inc.
英文描述： Complete, Isolated RS-485/RS-422 Data Interface(2.5Mbps，全雙工，完全隔離的RS-485/422收發(fā)器)
中文描述： 完備的隔離型、RS-485/RS-422數(shù)據(jù)接口
文件頁數(shù)： 13/20頁
文件大?。?/td> 315K
代理商： MAX1490B
M
Complete, Isolated,
RS -485/RS -422 Data Interfac e
______________________________________________________________________________________
13
Figure 4. Driver DC Test Load
R
R
V
OD
V
OC
D
ISOLATION BARRIER
Figure 5. Driver/Receiver Timing Test Circuit
DI
′
(DE
′
)
C
L1
(V
CC_
- 0.4V)
C
L2
RO(RO)*
R
DIFF
V
ID
ISOLATION BARRIER
( ) ARE FOR
THE MAX1480A/B
* OPTOCOUPLER
OUTPUTS. SEE FIGURES 1
AND 2 FOR DETAILED BLOCK
DIAGRAM AND TYPICAL
APPLICATION CIRCUIT.
ISOLATION BARRIER
R
D
_________________________________________________________________Test Circ uits
28
27
26
25
24
23
22
21
1
2
3
4
5
6
7
8
AC1
V
IN
5V
SHUTDOWN
Si943304
DI
GND
DE
R1
R2
R3
P
RO
AC2
ISOV
CC1
B
D2
D1
V
CC2
V
CC1
ISORODRV
A
ISODI IN
ISODE IN
V
CC3
SD
FS
GND1
20
19
18
17
9
10
11
12
ISOCOM1
ISODI DRV
ISOV
CC2
ISODE DRV
GND2
DE
V
CC4
DI
16
15
13
14
ISOCOM2
ISOROLED
V
CC5
RO
MAX485
MAX253
ISOLATION BARRIER
MAX1480A
Figure 3. MAX1480A Low-Power Shutdown Mode
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1490BCPG 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX1490BCPG+ 功能描述:RS-422/RS-485 接口 IC Isolated RS-485/422 Data Interface RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX1490BEPG 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX1490BEPG+ 功能描述:RS-422/RS-485 接口 IC Isolated RS-485/422 Data Interface RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX1490EACPCS 制造商:Maxim Integrated Products 功能描述:
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