參數(shù)資料
型號: MAX1480ECEPI+
廠商: Maxim Integrated Products
文件頁數(shù): 4/19頁
文件大小: 0K
描述: IC RS485/RS422 DATA INTRFC 28DIP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 14
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: RS422,RS485
電源電壓: 4.5 V ~ 5.5 V
安裝類型: 通孔
封裝/外殼: 28-DIP(0.600",15.24mm)
供應(yīng)商設(shè)備封裝: 28-PDIP
包裝: 管件
產(chǎn)品目錄頁面: 1402 (CN2011-ZH PDF)
MAX1480E/MAX1490E
±15kV ESD-Protected, Isolated RS-485/RS-422
Data Interfaces
12
______________________________________________________________________________________
Figure 4. Driver DC Test Load
R
VOD
VOC
D
ISOLATION BARRIER
Figure 5. Driver/Receiver Timing Test Circuit
DI
CL1
(DE
)
CL2
RO (RO)*
RDIFF
VID
ISOLATION BARRIER
( ) ARE FOR
THE MAX1480EA/MAX1480EC.
* OPTOCOUPLER
OUTPUTS. SEE FIGURES 1
AND 2 FOR DETAILED BLOCK
DIAGRAM AND TYPICAL
APPLICATION CIRCUIT.
ISOLATION BARRIER
R
D
Test Circuits
28
27
26
25
24
23
22
21
1
2
3
4
5
6
7
8
AC1
VIN
+5V
SHUTDOWN
Si9433DY
DI
GND
DE
R1
R2
R3
P
RO
AC2
ISO VCC1
B
D2
D1
VCC2
VCC1
ISO RO DRV
A
ISO DI IN
ISO DE IN
VCC3
SD
FS
GND1
20
19
18
17
9
10
11
12
ISO COM1
ISO DI DRV
ISO VCC2
ISO DE DRV
GND2
DE
VCC4
DI
16
15
13
14
ISO COM2
ISO RO LED
VCC5
RO
MAX1487E
MAX845
ISOLATION BARRIER
MAX1480EA
Figure 3. MAX1480EA Low-Power Shutdown Mode
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