參數(shù)資料
型號(hào): MAX3140
廠商: Maxim Integrated Products, Inc.
英文描述: SPI/MICROWIRE-Compatible UART with Integrated True Fail-Safe RS-485/RS-422 Transceivers
中文描述: SPI/MICROWIRE兼容的UART,集成真正失效保護(hù)的RS-485/RS-422收發(fā)器
文件頁(yè)數(shù): 10/36頁(yè)
文件大小: 468K
代理商: MAX3140
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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參數(shù)描述
MAX3140CEI 功能描述:UART 接口集成電路 RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
MAX3140CEI+ 功能描述:UART 接口集成電路 SPI/uWire Compatible RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
MAX3140CEI+T 功能描述:UART 接口集成電路 SPI/uWire Compatible RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
MAX3140CEI-T 功能描述:UART 接口集成電路 RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
MAX3140EEI 功能描述:UART 接口集成電路 RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel