參數(shù)資料
型號: MAX485ECSA
廠商: Maxim Integrated Products
文件頁數(shù): 14/16頁
文件大小: 0K
描述: IC TXRX RS485/RS422 LOWPWR 8SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 100
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: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
______________________________________________________________Pin Description
1
2
Receiver Output: If A > B by 200mV, RO will be high;
If A < B by 200mV, RO will be low.
2
Receiver Output Enable. RO is enabled when
R
E
is
low; RO is high impedance when
R
E
is high.
3
Driver Output Enable. The driver outputs, Y and Z, are
enabled by bringing DE high. They are high imped-
ance when DE is low. If the driver outputs are enabled,
the parts function as line drivers. While they are high
impedance, they function as line receivers if
R
E
is low.
4
3
Driver Input. A low on DI forces output Y low and out-
put Z high. Similarly, a high on DI forces output Y high
and output Z low.
6
Noninverting Receiver Input and Noninverting Driver
Output
6
Inverting Driver Output
5
Noninverting Driver Output
5
4
Ground
No Connect—not internally connected
8
1
Positive Supply: 4.75V
≤ VCC ≤ 5.25V
7
Inverting Receiver Input
7
Inverting Receiver Input and Inverting Driver Output
8
Noninverting Receiver Input
PIN
2
3
4
5
10
9
6, 7
1, 8, 13
14
11
12
RO
R
E
DE
DI
A
Z
Y
GND
N.C.
VCC
B
A
FUNCTION
MAX489E
MAX491E
NAME
MAX488E
MAX490E
MAX481E/MAX483E
MAX485E/MAX487E
MAX1487E
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
Maxim Integrated
7
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