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
SortOrder | Part# | Interface Protocol | Data Rate (max) (bps) | Number Rx | Number Tx | Full or Half Duplex Operation | ESD Protection (V) | Fail Safe | Vs+ (min) (V) | Vs+ (max) (V) | Price (1000+) ($ US) |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | ADM3068E | PROFIBUS, RS-422, RS-485 | 50M | 1 | 1 | Full | 30k | Idle, Open, Short | 3 | 5.5 | $1.47 (ADM3068EARZ) |
2 | ADM3064E | PROFIBUS, RS-422, RS-485 | 500k | 1 | 1 | Full | 30k | Idle, Open, Short | 3 | 5.5 | $1.29 (ADM3064EARZ) |
3 | ADM3067E | PROFIBUS, RS-422, RS-485 | 50M | 1 | 1 | Full | 30k | Idle, Open, Short | 3 | 5.5 | $1.45 (ADM3067EARZ) |
4 | ADM3063E | PROFIBUS, RS-422, RS-485 | 500k | 1 | 1 | Full | 30k | Idle, Open, Short | 3 | 5.5 | $1.26 (ADM3063EARZ) |
5 | LTC2879X | PROFIBUS, RS-422, RS-485 | 20M | 1 | 1 | Half | 52k | Open, Short, Terminated | 3 | 5.5 | $28.41 (LTC2879XMS8E#PBF) |
6 | ADM3062E | PROFIBUS, RS-485 | 500k | 1 | 1 | Half | 30k | Idle, Open, Short | 3 | 5.5 | $1.07 (ADM3062EACPZ) |
7 | ADM3061E | PROFIBUS, RS-485 | 500k | 1 | 1 | Half | 30k | Idle, Open, Short | 3 | 5.5 | $1.05 (ADM3061EARMZ) |
8 | LTC2862A-2 | RS-422, RS-485 | 250k | 1 | 1 | Half | 40k | Idle, Open, Short | 3 | 5.5 | $1.59 (LTC2862ACDD-2#PBF) |
9 | LTC2862A-1 | RS-422, RS-485 | 20M | 1 | 1 | Half | 40k | Idle, Open, Short | 3 | 5.5 | $1.59 (LTC2862ACDD-1#PBF) |
10 | ADM3066E | PROFIBUS, RS-485 | 50M | 1 | 1 | Half | 30k | Idle, Open, Short | 3 | 5.5 | $1.23 (ADM3066EACPZ) |
11 | ADM3095E | PROFIBUS, RS-485 | 2.5M | 1 | 1 | Half | 30k | Idle, Open, Short | 3 | 5.5 | $4.50 (ADM3095EARZ) |
12 | ADM3065E | PROFIBUS, RS-485 | 50M | 1 | 1 | Half | 30k | Idle, Open, Short | 3 | 5.5 | $1.21 (ADM3065EARMZ) |
13 | LTC2877 | PROFIBUS, RS-485 | 20M | 1 | 1 | Half | 52k | Open, Shorted, Terminated | 3 | 5.5 | $2.73 (LTC2877CDD#PBF) |
14 | LTC2876 | PROFIBUS, RS-485 | 20M | 1 | 1 | Half | 52k | Open, Shorted, Terminated | 3 | 5.5 | $2.48 (LTC2876CDD#PBF) |
15 | LTC2873 | RS-232, RS-422, RS-485, RS-562 | 20M | 1 | 1 | Half | 26k | Idle, Open, Shorted, Terminated | 3 | 5.5 | $4.45 (LTC2873CUFD#PBF) |
16 | ADM4168E | RS-422 | 30M | 2 | 2 | Dual Transceiver | 15k | Open | 4.5 | 5.5 | $0.80 (ADM4168EBRUZ) |
17 | LTC2865![]() | RS-422, RS-485 | 20k | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 5.5 | $1.72 (LTC2865CDE#PBF) |
18 | LTC2864-2 | RS-422, RS-485 | 250k | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 5.5 | $1.67 (LTC2864CS-2#PBF) |
19 | LTC2864-1 | RS-422, RS-485 | 20M | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 5.5 | $1.67 (LTC2864CS-1#PBF) |
20 | LTC2863-2 | RS-422, RS-485 | 250k | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 5.5 | $1.67 (LTC2863CDD-2#PBF) |
21 | LTC2863-1 | RS-422, RS-485 | 20M | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 5.5 | $1.67 (LTC2863CDD-1#PBF) |
22 | LTC2862-2 | RS-422, RS-485 | 250k | 1 | 1 | Half | 15k | Idle, Open, Short | 3 | 5.5 | $1.67 (LTC2862CDD-2#PBF) |
23 | LTC2862-1 | RS-422, RS-485 | 20M | 1 | 1 | Half | 15k | Idle, Open, Short | 3 | 5.5 | $1.67 (LTC2862CDD-1#PBF) |
24 | ADM489A | RS-422, RS-485 | 250k | 1 | 1 | Full | 4k | Open | 4.5 | 5.5 | $1.08 (ADM489ABRZ) |
25 | ADM488A | RS-422, RS-485 | 250k | 1 | 1 | Full | 4k | Open | 4.5 | 5.5 | $0.93 (ADM488ABRZ) |
26 | ADM1490E | RS-422, RS-485 | 16M | 1 | 1 | Full | 8k | Open | 4.75 | 5.25 | $1.18 (ADM1490EBRZ) |
27 | ADM1491E | RS-422, RS-485 | 16M | 1 | 1 | Full | 8k | Open | 4.75 | 5.25 | $1.18 (ADM1491EBRZ) |
28 | ADM487E | RS-422, RS-485 | 250k | 1 | 1 | Half | 15k | Open | 4.75 | 5.25 | $1.36 (ADM487EARZ) |
29 | ADM485E | RS-422, RS-485 | 2.5M | 1 | 1 | Half | 15k | Open | 4.75 | 5.25 | $0.98 (ADM485EARZ) |
30 | ADM1487E | RS-422, RS-485 | 2.5M | 1 | 1 | Half | 15k | Open | 4.75 | 5.25 | $0.98 (ADM1487EARZ) |
31 | ADM3491E | RS-422, RS-485 | 12M | 1 | 1 | Full | 15k | Open | 3 | 3.6 | $1.46 (ADM3491EARZ) |
32 | ADM3490E | RS-422, RS-485 | 12M | 1 | 1 | Full | 15k | Open | 3 | 3.6 | $1.41 (ADM3490EARZ) |
33 | ADM3488E | RS-422, RS-485 | 250k | 1 | 1 | Full | 15k | Open | 3 | 3.6 | $1.36 (ADM3488EARZ) |
34 | ADM3486E | RS-422, RS-485 | 2.5M | 1 | 1 | Half | 15k | Open | 3 | 3.6 | $1.36 (ADM3486EARZ) |
35 | ADM3483E | RS-422, RS-485 | 250k | 1 | 1 | Half | 15k | Open | 3 | 3.6 | $1.36 (ADM3483EARZ) |
36 | ADM3078E | RS-422, RS-485 | 16M | 1 | 1 | Half | 15k | Idle, Open, Short | 3 | 3.6 | $1.60 (ADM3078EARZ) |
37 | ADM3077E | RS-422, RS-485 | 16M | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 3.6 | $1.62 (ADM3077EARZ) |
38 | ADM3076E | RS-422, RS-485 | 16M | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 3.6 | $1.67 (ADM3076EARZ) |
39 | ADM3075E | RS-422, RS-485 | 500k | 1 | 1 | Half | 15k | Idle, Open, Short | 3 | 3.6 | $1.57 (ADM3075EARZ) |
40 | ADM3074E | RS-422, RS-485 | 500k | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 3.6 | $1.62 (ADM3074EARZ) |
41 | ADM3073E | RS-422, RS-485 | 500k | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 3.6 | $1.67 (ADM3073EARZ) |
42 | ADM3072E | RS-422, RS-485 | 250k | 1 | 1 | Half | 15k | Idle, Open, Short | 3 | 3.6 | $1.57 (ADM3072EARZ) |
43 | ADM3071E | RS-422, RS-485 | 250k | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 3.6 | $1.62 (ADM3071EARZ) |
44 | ADM3070E | RS-422, RS-485 | 250k | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 3.6 | $1.67 (ADM3070EARZ) |
45 | LTC2858-2 | RS-422, RS-485 | 250k | 1 | 1 | Full | 15k | Idle, Open, Short | 5 | 5.5 | $1.55 (LTC2858CDD-2#PBF) |
46 | LTC2858-1 | RS-422, RS-485 | 20M | 1 | 1 | Full | 15k | Idle, Open, Short | 5 | 5.5 | $1.55 (LTC2858CDD-1#PBF) |
47 | LTC2857-2 | RS-422, RS-485 | 250k | 1 | 1 | Full | 15k | Idle, Open, Short | 5 | 5.5 | $1.55 (LTC2857CDD-2#PBF) |
48 | LTC2857-1 | RS-422, RS-485 | 20M | 1 | 1 | Full | 15k | Idle, Open, Short | 5 | 5.5 | $1.55 (LTC2857CDD-1#PBF) |
49 | LTC2856-2 | RS-422, RS-485 | 250k | 1 | 1 | Half | 15k | Idle, Open, Short | 5 | 5.5 | $1.45 (LTC2856CDD-2#PBF) |
50 | LTC2856-1 | RS-422, RS-485 | 20M | 1 | 1 | Half | 15k | Idle, Open, Short | 5 | 5.5 | $1.45 (LTC2856CDD-1#PBF) |
51 | LTC2861 | RS-422, RS-485 | 20M | 1 | 1 | Full | 15k | Idle, Open, Short | 5 | 5.5 | $1.70 (LTC2861CDE#PBF) |
52 | LTC2859 | RS-422, RS-485 | 20M | 1 | 1 | Half | 15k | Idle, Open, Short | 5 | 5.5 | $1.55 (LTC2859CDD#PBF) |
53 | LTC2855 | RS-422, RS-485 | 20M | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 3.6 | $1.70 (LTC2855CDE#PBF) |
54 | LTC2854 | RS-422, RS-485 | 20M | 1 | 1 | Half | 15k | Idle, Open, Short | 3 | 3.6 | $1.55 (LTC2854CDD#PBF) |
55 | LTC2852 | RS-422, RS-485 | 20M | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 3.6 | $1.55 (LTC2852CDD#PBF) |
56 | LTC2851 | RS-422, RS-485 | 20M | 1 | 1 | Full | 15k | Idle, Open, Short | 3 | 3.6 | $1.55 (LTC2851CDD#PBF) |
57 | LTC2850 | RS-422, RS-485 | 20M | 1 | 1 | Half | 15k | Idle, Open, Short | 3 | 3.6 | $1.45 (LTC2850CDD#PBF) |
58 | ADM3493 | RS-422, RS-485 | 250k | 1 | 1 | Half | - | Open | 3 | 3.6 | $0.99 (ADM3493ARZ) |
59 | ADM3490 | RS-422, RS-485 | 10M | 1 | 1 | Full | - | Open | 3 | 3.6 | $1.04 (ADM3490ARZ) |
60 | ADM3488 | RS-422, RS-485 | 250k | 1 | 1 | Full | - | Open | 3 | 3.6 | $0.94 (ADM3488ARZ) |
61 | ADM3485 | RS-422, RS-485 | 10M | 1 | 1 | Half | - | Open | 3 | 3.6 | $0.94 (ADM3485ARZ) |
62 | ADM3483![]() | RS-422, RS-485 | 250k | 1 | 1 | Half | - | Open | 3 | 3.6 | $0.94 (ADM3483ARZ) |
63 | ADM4857 | RS-422, RS-485 | 10M | 1 | 1 | Full | - | Open, Short | 4.75 | 5.25 | $0.82 (ADM4857ARZ) |
64 | ADM4856 | RS-422, RS-485 | 2.5M | 1 | 1 | Full | - | Open, Short | 4.75 | 5.25 | $0.82 (ADM4856ARZ) |
65 | ADM4855 | RS-422, RS-485 | 500k | 1 | 1 | Full | - | Open, Short | 4.75 | 5.25 | $0.82 (ADM4855ARZ) |
66 | ADM4854 | RS-422, RS-485 | 115k | 1 | 1 | Full | - | Open, Short | 4.75 | 5.25 | $0.82 (ADM4854ARZ) |
67 | ADM4853 | RS-422, RS-485 | 10M | 1 | 1 | Half | - | Open, Short | 4.75 | 5.25 | $0.82 (ADM4853ACPZ-REEL7) |
68 | ADM4852 | RS-422, RS-485 | 2.5M | 1 | 1 | Half | - | Open, Short | 4.75 | 5.25 | $0.73 (ADM4852ACPZ-REEL7) |
69 | ADM4851 | RS-422, RS-485 | 500k | 1 | 1 | Half | - | Open, Short | 4.75 | 5.25 | $0.82 (ADM4851ARZ) |
70 | ADM4850 | RS-422, RS-485 | 115k | 1 | 1 | Half | - | Open, Short | 4.75 | 5.25 | $0.73 (ADM4850ACPZ-REEL7) |
71 | ADM483 | RS-422, RS-485 | 250k | 1 | 1 | Half | - | Open | 4.75 | 5.25 | $0.69 (ADM483JRZ) |
72 | ADM1486 | RS-422, RS-485 | 30M | 1 | 1 | Half | - | Open | 4.75 | 5.25 | $1.20 (ADM1486ARZ) |
73 | LTC1689 | RS-422, RS-485 | 100M | 0 | 4 | Quad Driver | 6k | - | 3 | 5.5 | $4.95 (LTC1689CS#PBF) |
74 | LTC1688 | RS-422, RS-485 | 100M | 0 | 4 | Quad Driver | 6k | - | 3 | 5.5 | $4.95 (LTC1688CS#PBF) |
75 | LT1791A | RS-422, RS-485 | 250k | 1 | 1 | Full | 15k | Idle, Open, Short | 4.75 | 5.25 | $2.60 (LT1791ACN#PBF) |
76 | LT1791 | RS-422, RS-485 | 250k | 1 | 1 | Full | 15k | - | 4.75 | 5.25 | $2.15 (LT1791CN#PBF) |
77 | LT1785A | RS-422, RS-485 | 250k | 1 | 1 | Half | 15k | Idle, Open, Short | 4.75 | 5.25 | $2.35 (LT1785ACN8#PBF) |
78 | LT1785 | RS-422, RS-485 | 250k | 1 | 1 | Half | 15k | - | 4.75 | 5.25 | $1.95 (LT1785CN8#PBF) |
79 | LTC1690 | RS-422, RS-485 | 5M | 1 | 1 | Full | 15k | Idle, Open, Short | 4.75 | 5.25 | $1.65 (LTC1690CN8#PBF) |
80 | LTC1484 | RS-422, RS-485 | 4M | 1 | 1 | Half | 15k | Idle, Open, Short | 4.75 | 5.5 | $1.65 (LTC1484CN8#PBF) |
81 | LTC1482 | RS-422, RS-485 | 4M | 1 | 1 | Half | 15k | Idle, Open, Short | 4.75 | 5.25 | $1.95 (LTC1482CN8#PBF) |
82 | ADM3485E![]() | RS-422, RS-485 | 12M | 1 | 1 | Half | 15k | Open | 3 | 3.6 | $1.04 (ADM3485EARZ) |
83 | ADM3491 | RS-422, RS-485 | 10M | 1 | 1 | Full | - | Open | 3 | 3.6 | $1.51 (ADM3491ARZ) |
84 | ADM489 | RS-422, RS-485 | 250k | 1 | 1 | Full | - | Open | 4.5 | 5.5 | - |
85 | ADM488 | RS-422, RS-485 | 250k | 1 | 1 | Full | - | Open | 4.5 | 5.5 | - |
86 | LTC1687 | RS-422, RS-485 | 52M | 1 | 1 | Full | 4k | Open | 4.75 | 5.25 | $4.20 (LTC1687CS#PBF) |
87 | LTC1686 | RS-422, RS-485 | 52M | 1 | 1 | Full | 4k | Open | 4.75 | 5.25 | $4.20 (LTC1686CS8#PBF) |
88 | LTC1685 | RS-422, RS-485 | 52M | 1 | 1 | Half | 4k | Idle, Open, Short | 4.75 | 5.25 | $2.95 (LTC1685CS8#PBF) |
89 | LTC1519 | RS-422, RS-485 | 50M | 4 | 0 | Quad Receiver | 4k | Idle, Open, Shorted | 4.5 | 5.5 | $5.35 (LTC1519CS#PBF) |
90 | LTC1518 | RS-422, RS-485 | 52M | 4 | 0 | Quad Receiver | 4k | Idle, Open, Shorted | 4.5 | 5.5 | $5.35 (LTC1518CS#PBF) |
91 | ADM483E | RS-422, RS-485 | 250k | 1 | 1 | Half | 15k | Open | 4.5 | 5.5 | $0.95 (ADM483EARZ) |
92 | LTC1520 | RS-422, RS-485 | 50M | 4 | 0 | Quad Receiver | 4k | - | 4.5 | 5.5 | $5.35 (LTC1520CS#PBF) |
93 | LTC1480 | RS-422, RS-485 | 2.5M | 1 | 1 | Half | - | Open | 3 | 3.6 | $2.55 (LTC1480CN8#PBF) |
94 | LTC1487 | RS-422, RS-485 | 250k | 1 | 1 | Half | 10k | Open | 4.75 | 5.25 | $1.45 (LTC1487CN8#PBF) |
95 | LTC1483 | RS-422, RS-485 | 150k | 1 | 1 | Half | 10k | Open | 4.75 | 5.25 | $1.45 (LTC1483CN8#PBF) |
96 | LTC1481 | RS-422, RS-485 | 2.5M | 1 | 1 | Half | 10k | Open | 4.75 | 5.25 | $1.45 (LTC1481CN8#PBF) |
97 | ADM485 | RS-422, RS-485 | 5M | 1 | 1 | Half | - | Open | 4.75 | 5.25 | $0.80 (ADM485JRZ) |
98 | ADM1485 | RS-422, RS-485 | 30M | 1 | 1 | Half | - | Open | 4.75 | 5.25 | $1.10 (ADM1485JRZ) |
99 | LTC490 | RS-422, RS-485 | 2.5M | 1 | 1 | Full | 2k | Open | 4.75 | 5.25 | $2.40 (LTC490CN8#PBF) |
100 | LTC1485 | RS-422, RS-485 | 10M | 1 | 1 | Half | 10k | Open | 4.75 | 5.5 | $1.60 (LTC1485CN8#PBF) |
101 | LTC491 | RS-422, RS-485 | 20M | 1 | 1 | Full | 2k | Open | 4.75 | 5.25 | $2.65 (LTC491CN#PBF) |
102 | LTC489 | RS-422, RS-485 | 10M | 4 | 0 | Quad Receiver | 4k | Open | 4.75 | 5.25 | $3.55 (LTC489CN#PBF) |
103 | LTC488 | RS-422, RS-485 | 10M | 4 | 0 | Quad Receiver | 2k | Open | 4.75 | 5.25 | $3.55 (LTC488CN#PBF) |
104 | LTC487 | RS-422, RS-485 | 10M | 0 | 4 | Quad Driver | 2k | Open | 4.75 | 5.25 | $3.55 (LTC487CN#PBF) |
105 | LTC486 | RS-422, RS-485 | 10M | 0 | 4 | Quad Driver | 2k | Open | 4.75 | 5.25 | $3.55 (LTC486CN#PBF) |
106 | LTC485 | RS-422, RS-485 | 10M | 1 | 1 | Half | 4k | Open | 4.75 | 5.25 | $1.30 (LTC485CN8#PBF) |