RS-232 / RS-422 / RS-485 / RS-562

Analog Devices offers a wide range of RS-232, RS-422, RS-485, and RS-562 transceivers to suit applications for nonisolated interfaces, as well as digital isolation requirements using iCoupler® technology. The RS-232 specification allows for reliable data transmission from one transmitter to one receiver at data rates of up to 20 kbps over distances of up to 50 feet, or up to 1 Mbps over distances of up to 5 feet for more recent RS-232 transceiver chips. While similar to RS-232, the RS-562 standard differs by specifying a minimum driver output voltage of ±3.7 V to ease power supply requirements. The RS-485 specification meets the requirements for a truly multipoint communications network, while the RS-422 specification satisfies simplex multidrop standards.

RS-232 / RS-422 / RS-485 / RS-562

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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-RL7)
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)
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 (ADM3232EARUZ)
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)