RS-232/RS-422/RS-485

ADI提供各种不同RS-232、RS-422和RS-485收发器,可满足多种应用需求。RS-232规范支持在相对较短的距离内(最长50英尺),以最高20 kbps的数据速率将数据可靠地从一个发射器传输到一个接收器。借助较新的RS-232收发器芯片,可在更短的距离内(最长5英尺)实现最高1 Mbps的数据速率。RS-485规范符合真正多点通信网络的要求,RS-422规范符合单工多分支标准。

RS-232/RS-422/RS-485

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SortOrderPart#Interface ProtocolData Rate
(max)
(bps)
Number RxNumber TxESD Protection
(V)
Fail SafeVs+
(min)
(V)
Vs+
(max)
(V)
US Price 1000 to 4999
($ US)
1ADM3062E RS-485 500k 1 1 30k Idle, Open, Short 3 5.5 $1.07 (ADM3062EACPZ)
2ADM3061E RS-485 500k 1 1 30k Idle, Open, Short 3 5.5 $1.05 (ADM3061EARMZ)
3LTC2862A-2 -422, TIA/EIA-485 20M 1 1 40 Idle, Open, Short 3 5.5 $2.35 (LTC2862ACS8-2#PBF)
4LTC2862A-1 -422, TIA/EIA-485 250k 1 1 40 Idle, Open, Short 3 5.5 $2.35 (LTC2862ACS8-1#PBF)
5ADM3066E RS-485 50M 1 1 30k Idle, Open, Short 3 5.5 $1.23 (ADM3066EACPZ-R7)
6LTC1690 -422, TIA/EIA-485 20M 1 1 15 Idle, Open, Short 5 6 $1.65 (LTC1690CN8#PBF)
7ADM3095E RS-485 2.5M 1 1 30k Idle, Open, Short 3 5.5 $4.50 (ADM3095EARZ-RL7)
8ADM3065E RS-485 50M 1 1 30k Idle, Open, Short 3 5.5 $1.21 (ADM3065EARMZ-R7)
9ADM2795E Isolated RS-485 2.5M---- 1.7 5.5 $5.95 (ADM2795EARWZ)
10LTC2877 PROFIBUS IEC 61158-2, RS485 2.5M 1 1 52 Open, Shorted, Terminated 3 5.5 $2.73 (LTC2877CMSE#PBF)
11LTC2876 PROFIBUS IEC 61158-2, RS485 20M 1 1 52 Open, Shorted, Terminated 3 5.5 $2.48 (LTC2876CDD#PBF)
12ADM4168E RS-422------ 5 $0.80 (ADM4168EBRUZ-RL7)
13ADM3252EReference Circuit Available Isolated RS-232 460k 2 2 15k- 3 5.5 $8.49 (ADM3252EABCZ)
14ADM2687E Isolated RS-422, Isolated RS-485 500k 1 1 15k Open, Short 3 5.5 $6.50 (ADM2687EBRIZ)
15ADM2682E Isolated RS-422, Isolated RS-485 16M 1 1 15k Open, Short 3 5.5 $7.50 (ADM2682EBRIZ)
16LTC2865 -422, TIA/EIA-485 20M 1 1 15 Idle, Open, Short 3 5.5 $2.65 (LTC2865CMSE#PBF)
17LTC2864-2 -422, TIA/EIA-485 20M 1 1 15 Idle, Open, Short 3 5.5 $2.55 (LTC2864CS-2#PBF)
18LTC2864-1 -422, TIA/EIA-485 250k 1 1 15 Idle, Open, Short 3 5.5 $2.55 (LTC2864CS-1#PBF)
19LTC2863-2 -422, TIA/EIA-485 20M 1 1 15 Idle, Open, Short 3 5.5 $2.35 (LTC2863CS8-2#PBF)
20LTC2863-1 -422, TIA/EIA-485 250k 1 1 15 Idle, Open, Short 3 5.5 $2.35 (LTC2863CS8-1#PBF)
21LTC2862-2 -422, TIA/EIA-485 250k 1 1 15 Idle, Open, Short 1.62 5.5 $2.35 (LTC2862CS8-2#PBF)
22LTC2862-1 -422, TIA/EIA-485 20M 1 1 15 Idle, Open, Short 1.62 5.5 $2.35 (LTC2862CS8-1#PBF)
23ADM2481 Isolated RS-422, Isolated RS-485 500k 1 1-- 3 5.5 $2.90 (ADM2481BRWZ)
24LTM2881-5 PROFIBUS, RS422, RS485 20M 1 1 15 Idle, Open, Short 1.62 5.5 $8.45 (LTM2881CY-5#PBF)
25LTM2881-3 PROFIBUS, RS422, RS485 20M 1 1 15 Idle, Open, Short 1.62 5.5 $8.45 (LTM2881CY-3#PBF)
26ADM489A RS-422, RS-485 250k 1 1- Open 4.5 5.5 $1.08 (ADM489ABRZ)
27ADM488A RS-422, RS-485 250k 1 1- Open 4.5 5.5 $0.93 (ADM488ABRZ)
28ADM2587EReference Circuit Available Isolated RS-422, Isolated RS-485 500k 1 1 15k- 3 5.5 $5.50 (ADM2587EBRWZ)
29ADM2582E Isolated RS-422, Isolated RS-485 16M 1 1-- 3 5.5 $6.50 (ADM2582EBRWZ)
30ADM1490E RS-422, RS-485 16M 1 1 8k Open 4.75 5.25 $1.18 (ADM1490EBRZ)
31LTM2882-5 2.5kV Isolation, RS232 1M 2 2 10- 1.62 5.5 $8.45 (LTM2882CY-5#PBF)
32LTM2882-3 2.5kV Isolation, RS232 1M 2 2 10- 1.62 5.5 $8.45 (LTM2882CY-3#PBF)
33ADM1491E RS-422, RS-485 16M 1 1 8k Open 4.75 5.25 $1.18 (ADM1491EBRZ-REEL7)
34ADM3251E Isolated RS-232 460k 1 1-- 4.5 5.5 $2.99 (ADM3251EARWZ-REEL)
35ADM2487E Isolated RS-422, Isolated RS-485 500k 1 1-- 3 5.5 $3.75 (ADM2487EBRWZ)
36ADM2484E Isolated RS-422, Isolated RS-485 500k 1 1-- 3 5.5 $3.04 (ADM2484EBRWZ-REEL7)
37ADM2482E Isolated RS-422, Isolated RS-485 16M 1 1-- 3 5.5 $4.00 (ADM2482EBRWZ-REEL7)
38ADM2491E Isolated RS-422, Isolated RS-485 16M 1 1-- 3 5.5 $4.76 (ADM2491EBRWZ)
39ADM3101E RS-232 460k 1 1 15k- 3 5.5 $0.92 (ADM3101EACPZ-250R7)
40ADM487E RS-422, RS-485 250k 1 1 15k Open 4.75 5.25 $1.36 (ADM487EARZ-REEL7)
41ADM485E RS-422, RS-485 2.5M 1 1 15k Open 4.75 5.25 $0.98 (ADM485EARZ)
42ADM3232E RS-232 460k 2 2 15k- 3 5.5 $1.10 (ADM3232EARNZ)
43ADM2485 Isolated RS-422, Isolated RS-485 16M 1 1-- 2.7 5.5 $4.20 (ADM2485BRWZ-REEL7)
44ADM1487E RS-422, RS-485 2.5M 1 1 15k Open 4.75 5.25 $0.98 (ADM1487EARZ)
45ADM3491E RS-422, RS-485 12M 1 1 15k Open 3 3.6 $1.46 (ADM3491EARZ)
46ADM3490E RS-422, RS-485 12M 1 1 15k Open 3 3.6 $1.41 (ADM3490EARZ-REEL7)
47ADM3488E RS-422, RS-485 250k 1 1 15k Open 3 3.6 $1.36 (ADM3488EARZ-REEL7)
48ADM3486E RS-422, RS-485 2.5M 1 1 15k Open 3 3.6 $1.36 (ADM3486EARZ-REEL7)
49ADM3483E RS-422, RS-485 250k 1 1 15k Open 3 3.6 $1.36 (ADM3483EARZ)
50ADM3078E RS-422, RS-485 16M 1 1 15k Idle, Open, Short 3 3.6 $1.60 (ADM3078EARZ)