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LM485ESA Datasheet(PDF) 3 Page - Shanghai Leiditech Electronic Technology Co., Ltd

Part # LM485ESA
Description  5V power supply, half-duplex, with 짹15KVESD protection, 500kbps transmission rate, 256-node RS485/RS422 transceiver
PDF  10 Pages
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Manufacturer  LEIDITECH [Shanghai Leiditech Electronic Technology Co., Ltd]
Direct Link  http://www.leiditech.com
Logo LEIDITECH - Shanghai Leiditech Electronic Technology Co., Ltd

LM485ESA Datasheet(HTML) 3 Page - Shanghai Leiditech Electronic Technology Co., Ltd

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直流电学特性
(如无另外说明,VCC=5V±5% ,TA=TMIN~TMAX,典型值在 VCC=+5V,TA=25℃)
参数
符号
最小
典型
最大
单位
测试条件
驱动器
驱动器差分输出
(无负载)
VOD1
5
V
驱动差分输出
VOD2
1.5
5
V
图 2,RL = 27 Ω
2
图 2,RL = 50 Ω
输出电压幅值的变化
(NOTE1)
∆VOD
0.2
V
图 2,RL = 27 Ω
输出共模电压
VOC
3
V
图 2,RL = 27 Ω
共模输出电压幅值的变化
(NOTE1)
∆VOC
0.2
V
图 2,RL = 27 Ω
高电平输入
VIH
2.0
V
DE,DI,/RE
低电平输入
VIL
0.8
V
DE,DI,/RE
逻辑输入电流
IIN1
-2
2
uA
DE,DI,/RE
输出短路时的电流,
短路到高
IOSD1
35
250
mA
短路到 0V~12V
输出短路时的电流,
短路到低
IOSD2
-250
-35
mA
短路到-7V~0V
过温关断阈值温度
150
过温关断迟滞温度
20
接收器
输入电流(A,B)
IIN2
125
uA
DE = 0 V,VCC=0
或 5V
VIN = 12 V
IIN2
-100
uA
DE = 0 V,VCC=0
或 5V
VIN = -7 V
正向输入阀值电压
VIT+
-50
mV
-7V≦VCM≦12V
反向输入阀值电压
VIT-
-200
mV
输入迟滞电压
Vhys
10
30
mV
-7V≦VCM≦12V
高电平输出电压
VOH
VCC-1.5
V
IOUT = −4mA,
VID = +200 mV
低电平输出电压
VOL
0.4
V
IOUT = +4mA,
VID = -200 mV
具有±15KV ESD 保护,500kbps 通迅速率,256 节点 RS485/RS422 收发器
LM485ESA
5V 供电 半双工,
Rev :
www.leiditech.com
01.06.2018
3/10



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