參數(shù)資料
型號: MAX3140EEI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 微控制器/微處理器
英文描述: CABLE ASSEMBLY; LEAD-FREE SOLDER; SMA MALE TO SMC PLUG; 50 OHM, RG400/U COAX, DOUBLE SHIELDED
中文描述: 1 CHANNEL(S), 240K bps, SERIAL COMM CONTROLLER, PDSO28
封裝: 0.150 INCH, 0.025 INCH PITCH, QSOP-28
文件頁數(shù): 10/36頁
文件大?。?/td> 468K
代理商: MAX3140EEI
M
SPI/MICROWIRE-Compatible UART with Integrated
True Fail-Safe RS-485/RS-422 Transceivers
10
______________________________________________________________________________________
Typic al Operating Charac teristic s (c ontinued)
(V
CC
= +5V, T
A
= +25°C, unless otherwise noted.)
0
20
40
60
80
100
120
140
OUTPUT CURRENT vs.
RS-485 DRIVER OUTPUT LOW VOLTAGE
M
OUTPUT LOW VOLTAGE (V)
O
0
2
4
6
8
10
12
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-8
-2
OUTPUT CURRENT vs.
RS-485 DRIVER OUTPUT HIGH VOLTAGE
M
OUTPUT HIGH VOLTAGE (V)
O
6
4
2
-6
-4
0
50ns/div
V
A
- V
B
(2V/div)
RO
(5V/div)
MAX3140-21
RS-485 RECEIVER PROPAGATION DELAY
(SRL = GND)
50ns/div
V
A
- V
B
(2V/div)
RO
(5V/div)
MAX3140-22
RS-485 RECEIVER PROPAGATION DELAY
(SRL = OPEN OR V
CC
)
2
μ
s/div
RS-485 DRIVER PROPAGATION DELAY
(SRL = OPEN)
DI
(5V/div)
V
Y
- V
Z
(2.5V/div)
MAX3140-23
500ns/div
RS-485 DRIVER PROPAGATION DELAY
(SRL = V
CC
)
DI
(5V/div)
V
Y
- V
Z
(2.5V/div)
MAX3140-24
50ns/div
RS-485 DRIVER PROPAGATION DELAY
(SRL = GND)
DI
(5V/div)
V
Y
- V
Z
(2.5V/div)
MAX3140-25
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