接口RS-485和RS-422

RS-485规范符合真正多点通信网络的要求,根据该标准,单个(双线)总线上最多可以连接32个驱动器和32个接收器。部分RS-485收发器改变输入阻抗以允许最多8倍的节点连接至同一总线。ADI公司提供各种不同标准RS-485/RS-422收发器和iCoupler®隔离式RS-485/RS-422收发器,可满足众多应用需求。
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接口RS-485和RS-422

接口RS-485和RS-422

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Interface RS-485 And RS-422

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SortOrderPart#Interface ProtocolData Rate (Max)
(bps)
Number RxNumber TxFull or Half Duplex OperationNumber of NodesDriver/ Receiver EnableESD Protection
(V)
Fail SafeVsupply (min)
(V)
Vsupply (max)
(V)
US Price 1000 to 4999
($ US)
1ADM4168E RS-485--- Half- Yes--- 5 $0.80
2ADM489A RS-485 250k 1 1 Full 32 Yes- Open, Short 4.5 5.5 $1.05
3ADM488A RS-485 250k 1 1 Full 32 No- Open, Short 4.5 5.5 $0.90
4ADM1490E RS-485 16M 1 1 Full 32 No 8k Open, Short 4.75 5.25 $1.15
5ADM1491E RS-422, RS-485 16M 1 1 Full 32 Yes 8k Open 4.75 5.25 $1.15
6ADM487E RS-422, RS-485 250k 1 1 Half 128 Yes 15k Open 4.75 5.25 $1.32
7ADM485E RS-422, RS-485 2.5M 1 1 Half 32 Yes 15k Open 4.75 5.25 $0.95
8ADM1487E RS-422, RS-485 2.5M 1 1 Half 128 Yes 15k Open 4.75 5.25 $0.95
9ADM3491E RS-422, RS-485 12M 1 1 Full 32 Yes 15k Open 3 3.6 $1.42
10ADM3490E RS-422, RS-485 12M 1 1 Full 32 No 15k Open 3 3.6 $1.37
11ADM3488E RS-422, RS-485 250k 1 1 Full 32 No 15k Open 3 3.6 $1.32
12ADM3486E RS-422, RS-485 2.5M 1 1 Half 32 Yes 15k Open 3 3.6 $1.32
13ADM3483E RS-422, RS-485 250k 1 1 Half 32 Yes 15k Open 3 3.6 $1.32
14ADM3078E RS-422, RS-485 16M 1 1 Half 256 Yes 15k Idle, Open, Short 3 3.6 $1.55
15ADM3077E RS-422, RS-485 16M 1 1 Full 256 No 15k Idle, Open, Short 3 3.6 $1.57
16ADM3076E RS-422, RS-485 16M 1 1 Full 256 Yes 15k Idle, Open, Short 3 3.6 $1.62
17ADM3075E RS-422, RS-485 500k 1 1 Half 256 Yes 15k Idle, Open, Short 3 3.6 $1.52
18ADM3074E RS-422, RS-485 500k 1 1 Full 256 No 15k Idle, Open, Short 3 3.6 $1.57
19ADM3073E RS-422, RS-485 500k 1 1 Half 256 Yes 15k Idle, Open, Short 3 3.6 $1.62
20ADM3072E RS-422, RS-485 250k 1 1 Half 256 Yes 15k Idle, Open, Short 3 3.6 $1.52
21ADM3071E RS-422, RS-485 250k 1 1 Full 256 No 15k Idle, Open, Short 3 3.6 $1.57
22ADM3070E RS-422, RS-485 250k 1 1 Full 256 Yes 15k Idle, Open, Short 3 3.6 $1.62
23ADM3493 RS-422, RS-485 250k 1 1 Half 256 Yes- Open 3 3.6 $0.96
24ADM3490 RS-422, RS-485 10M 1 1 Full 32 No- Open 3 3.6 $1.01
25ADM3488 RS-422, RS-485 250k 1 1 Full 32 No- Open 3 3.6 $0.91
26ADM3485 RS-422, RS-485 10M 1 1 Half 32 Yes- Open 3 3.6 $1.01
27ADM3483Reference Circuit Available RS-422, RS-485 250k 1 1 Half 32 Yes- Open 3 3.6 $0.91
28ADM4857 RS-422, RS-485 10M 1 1 Full 256 No- Open, Short 4.75 5.25 $0.80
29ADM4856 RS-422, RS-485 2.5M 1 1 Full 256 No- Open, Short 4.75 5.25 $0.80
30ADM4855 RS-422, RS-485 500k 1 1 Full 256 No- Open, Short 4.75 5.25 $0.80
31ADM4854 RS-422, RS-485 115k 1 1 Full 256 No- Open, Short 4.75 5.25 $0.80
32ADM4853 RS-422, RS-485 10M 1 1 Half 256 Yes- Open, Short 4.75 5.25 $0.80
33ADM4852 RS-422, RS-485 2.5M 1 1 Half 256 Yes- Open, Short 4.75 5.25 $0.71
34ADM4851 RS-422, RS-485 500k 1 1 Half 256 Yes- Open, Short 4.75 5.25 $0.80
35ADM4850 RS-422, RS-485 115k 1 1 Half 256 Yes- Open, Short 4.75 5.25 $0.71
36ADM483 RS-422, RS-485 250k 1 1 Half 32 Yes- Open 4.75 5.25 $0.67
37ADM1486 RS-422, RS-485 30M 1 1 Half 50 Yes- Open 4.75 5.25 $1.76
38ADM3485EReference Circuit Available RS-422, RS-485 12M 1 1 Half 50 Yes 15k Open 3 3.6 $1.32
39ADM3491 RS-422, RS-485 10M 1 1 Full 32 Yes- Open 3 3.6 $1.37
40ADM489 RS-422, RS-485 250k 1 1 Full 32 Yes- Open 4.5 5.5 $1.62
41ADM488 RS-422, RS-485 250k 1 1 Full 32 No- Open 4.5 5.5 $1.22
42ADM483E RS-422, RS-485 250k 1 1 Half 32 Yes 15k Open 4.5 5.5 $1.27
43ADM485 RS-422, RS-485 5M 1 1 Half 32 Yes- Open 4.75 5.25 $1.31
44ADM1485 RS-422, RS-485 30M 1 1 Half 32 Yes- Open 4.75 5.25 $1.63