参数资料
型号: ADM483ARZ
厂商: Analog Devices Inc
文件页数: 10/16页
文件大小: 0K
描述: IC TXRX RS485/RS422 LP 8SOIC
标准包装: 98
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 管件
产品目录页面: 789 (CN2011-ZH PDF)
ADM483
Rev. 0 | Page 3 of 16
SPECIFICATIONS
VCC = 5 V ± 5%, TA = TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Differential Output Voltage, VOD
5
V
R =
2.0
V
R = 50 (RS-422), Figure 3
1.5
5
V
R = 27 (RS-485), Figure 3
1.5
5
V
VTST = –7 V to 12 V, Figure 4
|VOD| for Complementary Output States
0.2
V
R = 27 or 50 , Figure 3
Common-Mode Output Voltage, VOC
3
V
R = 27 or 50 , Figure 3
|VOC| for Complementary Output States
0.2
V
R = 27 or 50 , Figure 3
Output Short-Circuit Current, VOUT = High
35
250
mA
–7 V < VOUT < +12 V
Output Short-Circuit Current, VOUT = Low
35
250
mA
–7 V < VOUT < +12 V
DRIVER INPUT LOGIC
CMOS Input Logic Threshold Low
0.8
V
CMOS Input Logic Threshold High
2.0
V
CMOS Logic Input Current (DI)
±2
A
DE Input Resistance to GND
220
k
RECEIVER
Differential Input Threshold Voltage, VTH
–200
+200
mV
–7 V < VCM < +12 V
Input Hysteresis
70
mV
VCM = 0V
Input Resistance (A, B)
12
k
–7 V < VCM < +12 V
Input Current (A, B)
1
mA
VIN = +12 V
–0.8
mA
VIN = –7 V
CMOS Logic Input Current (RE)
±2
A
CMOS Output Voltage Low
0.4
V
IOUT = 4 mA
CMOS Output Voltage High
3.5
V
IOUT = –4 mA
Output Short-Circuit Current
7
95
mA
0 V < VOUT < VCC
Three-State Output Leakage Current
±2
A
0.4 ≤ VOUT ≤ 2.4 V
POWER SUPPLY CURRENT
0.1
10
A
DE = 0 V, RE = VCC (shutdown)
120
250
A
DE = 0 V, RE = 0 V
350
650
A
DE = VCC
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