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
| SortOrder | Part# | Interface Protocol | Data Rate (max) (bps) | Number Rx | Number Tx | ESD Protection (V) | Fail Safe | Vs+ (min) (V) | Vs+ (max) (V) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ADM3067E | RS-485 | 50M | 1 | 1 | 30k | Idle, Open, Short | 3 | 5.5 | $2.26 (ADM3067EARZ) |
| 2 | LTC2879X | PROFIBUS, RS-422, RS-485 | 20M | 1 | 1 | 52k | Open, Short, Terminated | 3 | 5.5 | $28.41 (LTC2879XMS8E#PBF) |
| 3 | ADM3062E | RS-485 | 500k | 1 | 1 | 30k | Idle, Open, Short | 3 | 5.5 | $1.07 (ADM3062EACPZ) |
| 4 | ADM3061E | RS-485 | 500k | 1 | 1 | 30k | Idle, Open, Short | 3 | 5.5 | $1.05 (ADM3061EARMZ) |
| 5 | LTC2862A-2 | RS-422, RS-485 | 250k | 1 | 1 | 40k | Idle, Open, Short | 3 | 5.5 | $2.35 (LTC2862ACDD-2#PBF) |
| 6 | LTC2862A-1 | RS-422, RS-485 | 20M | 1 | 1 | 40k | Idle, Open, Short | 3 | 5.5 | $2.35 (LTC2862ACDD-1#PBF) |
| 7 | ADM3066E | RS-485 | 50M | 1 | 1 | 30k | Idle, Open, Short | 3 | 5.5 | $1.23 (ADM3066EACPZ) |
| 8 | ADM3095E | RS-485 | 2.5M | 1 | 1 | 30k | Idle, Open, Short | 3 | 5.5 | $4.50 (ADM3095EARZ) |
| 9 | ADM3065E | RS-485 | 50M | 1 | 1 | 30k | Idle, Open, Short | 3 | 5.5 | $1.21 (ADM3065EARMZ) |
| 10 | ADM2795E | Isolated RS-232, Isolated RS-485, PROFIBUS | 2.5M | - | - | - | - | 1.7 | 5.5 | $5.95 (ADM2795EARWZ) |
| 11 | LTC2877 | PROFIBUS IEC 61158-2, RS-485 | 20M | 1 | 1 | 52k | Open, Shorted, Terminated | 3 | 5.5 | $2.73 (LTC2877CDD#PBF) |
| 12 | LTC2876 | PROFIBUS IEC 61158-2, RS-485 | 20M | 1 | 1 | 52k | Open, Shorted, Terminated | 3 | 5.5 | $2.48 (LTC2876CDD#PBF) |
| 13 | LTC2873 | RS-232, RS-422, RS-485, RS-562 | 20M | 1 | 1 | 26 | - | 3 | 5.5 | $4.45 (LTC2873CUFD#PBF) |
| 14 | LTM2885 | Isolated RS-422, Isolated RS-485, PROFIBUS | 20M | 1 | 1 | 15k | Idle, Open, Short | 1.62 | 5.5 | $11.98 (LTM2885CY#PBF) |
| 15 | ADM4168E | RS-422 | 30M | - | - | 15k | - | - | 5 | $0.80 (ADM4168EBRUZ) |
| 16 | ADM3252E | Isolated RS-232 | 460k | 2 | 2 | 15k | - | 3 | 5.5 | $8.49 (ADM3252EABCZ) |
| 17 | ADM2687E | Isolated RS-422, Isolated RS-485 | 500k | 1 | 1 | 15k | Open, Short | 3 | 5.5 | $6.50 (ADM2687EBRIZ) |
| 18 | ADM2682E | Isolated RS-422, Isolated RS-485 | 16M | 1 | 1 | 15k | Open, Short | 3 | 5.5 | $7.50 (ADM2682EBRIZ) |
| 19 | LTC2865 | RS-422, RS-485 | 20k | 1 | 1 | 15k | Idle, Open, Short | 3 | 5.5 | $2.65 (LTC2865CDE#PBF) |
| 20 | LTC2864-2 | RS-422, RS-485 | 250k | 1 | 1 | 15k | Idle, Open, Short | 3 | 5.5 | $2.55 (LTC2864CS-2#PBF) |
| 21 | LTC2864-1 | RS-422, RS-485 | 20M | 1 | 1 | 15k | Idle, Open, Short | 3 | 5.5 | $2.55 (LTC2864CS-1#PBF) |
| 22 | LTC2863-2 | RS-422, RS-485 | 250k | 1 | 1 | 15k | Idle, Open, Short | 3 | 5.5 | $2.35 (LTC2863CDD-2#PBF) |
| 23 | LTC2863-1 | RS-422, RS-485 | 20M | 1 | 1 | 15k | Idle, Open, Short | 3 | 5.5 | $2.35 (LTC2863CDD-1#PBF) |
| 24 | LTC2862-2 | RS-422, RS-485 | 250k | 1 | 1 | 15k | Idle, Open, Short | 3 | 5.5 | $2.35 (LTC2862CDD-2#PBF) |
| 25 | LTC2862-1 | RS-422, RS-485 | 20M | 1 | 1 | 15k | Idle, Open, Short | 3 | 5.5 | $2.35 (LTC2862CDD-1#PBF) |
| 26 | ADM2481 | Isolated RS-422, Isolated RS-485 | 500k | 1 | 1 | - | - | 3 | 5.5 | $2.60 (ADM2481BRWZ) |
| 27 | LTM2881-5 | Isolated RS-422, Isolated RS-485, PROFIBUS | 20M | 1 | 1 | 15k | Idle, Open, Short | 1.62 | 5.5 | $8.45 (LTM2881CV-5#PBF) |
| 28 | LTM2881-3 | Isolated RS-422, Isolated RS-485, PROFIBUS | 20M | 1 | 1 | 15k | Idle, Open, Short | 1.62 | 5.5 | $8.45 (LTM2881CV-3#PBF) |
| 29 | ADM489A | RS-422, RS-485 | 250k | 1 | 1 | 4k | Open | 4.5 | 5.5 | $1.08 (ADM489ABRZ) |
| 30 | ADM488A | RS-422, RS-485 | 250k | 1 | 1 | 4k | Open | 4.5 | 5.5 | $0.93 (ADM488ABRZ) |
| 31 | ADM2587E | Isolated RS-422, Isolated RS-485 | 500k | 1 | 1 | 15k | - | 3 | 5.5 | $5.50 (ADM2587EBRWZ) |
| 32 | ADM2582E | Isolated RS-422, Isolated RS-485 | 16M | 1 | 1 | - | - | 3 | 5.5 | $6.50 (ADM2582EBRWZ) |
| 33 | ADM1490E | RS-422, RS-485 | 16M | 1 | 1 | 8k | Open | 4.75 | 5.25 | $1.18 (ADM1490EBRZ) |
| 34 | LTM2882-5 | Isolated RS-232 | 1M | 2 | 2 | 10k | - | 1.62 | 5.5 | $8.45 (LTM2882CV-5#PBF) |
| 35 | LTM2882-3 | Isolated RS-232 | 1M | 2 | 2 | 10k | - | 1.62 | 5.5 | $8.45 (LTM2882CV-3#PBF) |
| 36 | ADM1491E | RS-422, RS-485 | 16M | 1 | 1 | 8k | Open | 4.75 | 5.25 | $1.18 (ADM1491EBRZ) |
| 37 | ADM3251E | Isolated RS-232 | 460k | 1 | 1 | - | - | 4.5 | 5.5 | $2.99 (ADM3251EARWZ) |
| 38 | ADM2487E | Isolated RS-422, Isolated RS-485 | 500k | 1 | 1 | - | - | 3 | 5.5 | $3.75 (ADM2487EBRWZ) |
| 39 | ADM2484E | Isolated RS-422, Isolated RS-485 | 500k | 1 | 1 | - | - | 3 | 5.5 | $2.80 (ADM2484EBRWZ) |
| 40 | ADM2482E | Isolated RS-422, Isolated RS-485 | 16M | 1 | 1 | - | - | 3 | 5.5 | $4.00 (ADM2482EBRWZ) |
| 41 | ADM2491E | Isolated RS-422, Isolated RS-485 | 16M | 1 | 1 | - | - | 3 | 5.5 | $4.76 (ADM2491EBRWZ) |
| 42 | ADM3101E | RS-232 | 460k | 1 | 1 | 15k | - | 3 | 5.5 | $0.92 (ADM3101EACPZ-250R7) |
| 43 | ADM487E | RS-422, RS-485 | 250k | 1 | 1 | 15k | Open | 4.75 | 5.25 | $1.36 (ADM487EARZ) |
| 44 | ADM485E | RS-422, RS-485 | 2.5M | 1 | 1 | 15k | Open | 4.75 | 5.25 | $0.98 (ADM485EARZ) |
| 45 | ADM3232E | RS-232 | 460k | 2 | 2 | 15k | - | 3 | 5.5 | $0.95 (ADM3232EARNZ) |
| 46 | ADM2485 | Isolated RS-422, Isolated RS-485 | 16M | 1 | 1 | - | - | 2.7 | 5.5 | $4.20 (ADM2485BRWZ) |
| 47 | ADM1487E | RS-422, RS-485 | 2.5M | 1 | 1 | 15k | Open | 4.75 | 5.25 | $0.98 (ADM1487EARZ) |
| 48 | ADM3491E | RS-422, RS-485 | 12M | 1 | 1 | 15k | Open | 3 | 3.6 | $1.46 (ADM3491EARZ) |
| 49 | ADM3490E | RS-422, RS-485 | 12M | 1 | 1 | 15k | Open | 3 | 3.6 | $1.41 (ADM3490EARZ) |
| 50 | ADM3488E | RS-422, RS-485 | 250k | 1 | 1 | 15k | Open | 3 | 3.6 | $1.36 (ADM3488EARZ) |
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