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參數(shù)資料
| 型號： | ADM483JRZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 10/16頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-485/422 5V LP 8SOIC |
| 標準包裝： | 98 |
| 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） |
| 供應商設備封裝： | 8-SO |
| 包裝： | 管件 |
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 =
∞, Figure 3
2.0
V
R = 50 (RS-422), Figure 3
1.5
5
V
R = 27 (RS-485), Figure 3
1.5
5
V
|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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