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)
Price (1000+)
($ US)
1ADM3067E RS-485 50M 1 1 30k Idle, Open, Short 3 5.5 $2.26 (ADM3067EARZ)
2LTC2879X PROFIBUS, RS-422, RS-485 20M 1 1 52k Open, Short, Terminated 3 5.5 $28.41 (LTC2879XMS8E#PBF)
3ADM3062E RS-485 500k 1 1 30k Idle, Open, Short 3 5.5 $1.07 (ADM3062EACPZ)
4ADM3061E RS-485 500k 1 1 30k Idle, Open, Short 3 5.5 $1.05 (ADM3061EARMZ)
5LTC2862A-2 RS-422, RS-485 250k 1 1 40k Idle, Open, Short 3 5.5 $2.35 (LTC2862ACDD-2#PBF)
6LTC2862A-1 RS-422, RS-485 20M 1 1 40k Idle, Open, Short 3 5.5 $2.35 (LTC2862ACDD-1#PBF)
7ADM3066E RS-485 50M 1 1 30k Idle, Open, Short 3 5.5 $1.23 (ADM3066EACPZ)
8ADM3095E RS-485 2.5M 1 1 30k Idle, Open, Short 3 5.5 $4.50 (ADM3095EARZ)
9ADM3065E RS-485 50M 1 1 30k Idle, Open, Short 3 5.5 $1.21 (ADM3065EARMZ)
10ADM2795E Isolated RS-232, Isolated RS-485, PROFIBUS 2.5M---- 1.7 5.5 $5.95 (ADM2795EARWZ)
11LTC2877 PROFIBUS IEC 61158-2, RS-485 20M 1 1 52k Open, Shorted, Terminated 3 5.5 $2.73 (LTC2877CDD#PBF)
12LTC2876 PROFIBUS IEC 61158-2, RS-485 20M 1 1 52k Open, Shorted, Terminated 3 5.5 $2.48 (LTC2876CDD#PBF)
13LTC2873 RS-232, RS-422, RS-485, RS-562 20M 1 1 26- 3 5.5 $4.45 (LTC2873CUFD#PBF)
14LTM2885 Isolated RS-422, Isolated RS-485, PROFIBUS 20M 1 1 15k Idle, Open, Short 1.62 5.5 $11.98 (LTM2885CY#PBF)
15ADM4168E RS-422 30M-- 15k-- 5 $0.80 (ADM4168EBRUZ)
16ADM3252EReference Circuit Available Isolated RS-232 460k 2 2 15k- 3 5.5 $8.49 (ADM3252EABCZ)
17ADM2687E Isolated RS-422, Isolated RS-485 500k 1 1 15k Open, Short 3 5.5 $6.50 (ADM2687EBRIZ)
18ADM2682E Isolated RS-422, Isolated RS-485 16M 1 1 15k Open, Short 3 5.5 $7.50 (ADM2682EBRIZ)
19LTC2865 RS-422, RS-485 20k 1 1 15k Idle, Open, Short 3 5.5 $2.65 (LTC2865CDE#PBF)
20LTC2864-2 RS-422, RS-485 250k 1 1 15k Idle, Open, Short 3 5.5 $2.55 (LTC2864CS-2#PBF)
21LTC2864-1 RS-422, RS-485 20M 1 1 15k Idle, Open, Short 3 5.5 $2.55 (LTC2864CS-1#PBF)
22LTC2863-2 RS-422, RS-485 250k 1 1 15k Idle, Open, Short 3 5.5 $2.35 (LTC2863CDD-2#PBF)
23LTC2863-1 RS-422, RS-485 20M 1 1 15k Idle, Open, Short 3 5.5 $2.35 (LTC2863CDD-1#PBF)
24LTC2862-2 RS-422, RS-485 250k 1 1 15k Idle, Open, Short 3 5.5 $2.35 (LTC2862CDD-2#PBF)
25LTC2862-1 RS-422, RS-485 20M 1 1 15k Idle, Open, Short 3 5.5 $2.35 (LTC2862CDD-1#PBF)
26ADM2481 Isolated RS-422, Isolated RS-485 500k 1 1-- 3 5.5 $2.60 (ADM2481BRWZ)
27LTM2881-5 Isolated RS-422, Isolated RS-485, PROFIBUS 20M 1 1 15k Idle, Open, Short 1.62 5.5 $8.45 (LTM2881CV-5#PBF)
28LTM2881-3 Isolated RS-422, Isolated RS-485, PROFIBUS 20M 1 1 15k Idle, Open, Short 1.62 5.5 $8.45 (LTM2881CV-3#PBF)
29ADM489A RS-422, RS-485 250k 1 1 4k Open 4.5 5.5 $1.08 (ADM489ABRZ)
30ADM488A RS-422, RS-485 250k 1 1 4k Open 4.5 5.5 $0.93 (ADM488ABRZ)
31ADM2587EReference Circuit Available Isolated RS-422, Isolated RS-485 500k 1 1 15k- 3 5.5 $5.50 (ADM2587EBRWZ)
32ADM2582E Isolated RS-422, Isolated RS-485 16M 1 1-- 3 5.5 $6.50 (ADM2582EBRWZ)
33ADM1490E RS-422, RS-485 16M 1 1 8k Open 4.75 5.25 $1.18 (ADM1490EBRZ)
34LTM2882-5 Isolated RS-232 1M 2 2 10k- 1.62 5.5 $8.45 (LTM2882CV-5#PBF)
35LTM2882-3 Isolated RS-232 1M 2 2 10k- 1.62 5.5 $8.45 (LTM2882CV-3#PBF)
36ADM1491E RS-422, RS-485 16M 1 1 8k Open 4.75 5.25 $1.18 (ADM1491EBRZ)
37ADM3251E Isolated RS-232 460k 1 1-- 4.5 5.5 $2.99 (ADM3251EARWZ)
38ADM2487E Isolated RS-422, Isolated RS-485 500k 1 1-- 3 5.5 $3.75 (ADM2487EBRWZ)
39ADM2484E Isolated RS-422, Isolated RS-485 500k 1 1-- 3 5.5 $2.80 (ADM2484EBRWZ)
40ADM2482E Isolated RS-422, Isolated RS-485 16M 1 1-- 3 5.5 $4.00 (ADM2482EBRWZ)
41ADM2491E Isolated RS-422, Isolated RS-485 16M 1 1-- 3 5.5 $4.76 (ADM2491EBRWZ)
42ADM3101E RS-232 460k 1 1 15k- 3 5.5 $0.92 (ADM3101EACPZ-250R7)
43ADM487E RS-422, RS-485 250k 1 1 15k Open 4.75 5.25 $1.36 (ADM487EARZ)
44ADM485E RS-422, RS-485 2.5M 1 1 15k Open 4.75 5.25 $0.98 (ADM485EARZ)
45ADM3232E RS-232 460k 2 2 15k- 3 5.5 $0.95 (ADM3232EARNZ)
46ADM2485Reference Circuit Available Isolated RS-422, Isolated RS-485 16M 1 1-- 2.7 5.5 $4.20 (ADM2485BRWZ)
47ADM1487E RS-422, RS-485 2.5M 1 1 15k Open 4.75 5.25 $0.98 (ADM1487EARZ)
48ADM3491E RS-422, RS-485 12M 1 1 15k Open 3 3.6 $1.46 (ADM3491EARZ)
49ADM3490E RS-422, RS-485 12M 1 1 15k Open 3 3.6 $1.41 (ADM3490EARZ)
50ADM3488E RS-422, RS-485 250k 1 1 15k Open 3 3.6 $1.36 (ADM3488EARZ)