RS-232

The RS-232 specification allows for reliable data transmission from one transmitter to one receiver at data rates of up to 20K bits/second over relatively short distances (up to 50 feet). On more recent RS-232 Transceiver chips, data rates of up to 1Mbps are achievable over shorter distances (up to 5 feet). The most common applications for RS-232 Transceivers are computers and peripherals, mobile phone data cables and diagnostic data ports. Analog Devices offers a wide range of RS-232 Transceivers to suit many applications.

Helpful Tool - ADI RS-232 Cross Reference Guide

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PRODUCT SELECTION TABLES

  • Safety and Regulatory Compliance

  • The iCoupler® family of digital isolation products have been safety tested (basic and reinforced) and approved by various regulatory agencies. View Compliance Information.

Isolated RS-232

Part#Min VccInsulation Rating (kVrms)Max Data RateESD Protection VShutdown/Disable#Tx# RxFeaturesIcc UnloadedUS Price 1000-4999
ADM4168E - - - 15 kV - 2 2 - - $0.80
ADN4695E - - 100 Mbps - - 1 1 M-LVDS Rx Type 2 - $1.05
ADN4694E - - 100 Mbps - - 1 1 M-LVDS Rx Type 2 - $1.05
ADN4693E - - 200 Mbps - - 1 1 M-LVDS Rx Type 1 - $1.15
ADN4691E - - 200 Mbps - - 1 1 M-LVDS Rx Type 1 - $1.15
ADM3252E 3 2.5 kV rms 460 kbps 15 kV No 2 2 Isolated RS-232 110 mA $8.49
ADN4697E - - 200 Mbps - - 1 1 M-LVDS Rx Type 2 - $1.15
ADN4696E - - 200 Mbps - - 1 1 M-LVDS Rx Type 2 - $1.15
ADN4692E - - 100 Mbps - - 1 1 M-LVDS Rx Type 1 - $1.05
ADN4690E - - 100 Mbps - - 1 1 M-LVDS Rx Type 1 - $1.05
ADM3054 - 5 kV rms 1 Mbps - - - - Isolated CAN Transceiver - $2.10
ADM3051 - - 1 Mbps - - - - CAN Transceiver - $0.90
ADM3053 - 2.5 kV rms 1 Mbps - - - - Isolated CAN Transceiver - $5.50
ADM3052 - 5 kV rms 1 Mbps - - - - Isolated CAN Transceiver - $3.50
ADM2687E 3.3 5 kV rms 500 kbps 15 kV - - - Fail Safe - $6.50
ADM2682E 3.3 5 kV rms 16 Mbps 15 kV - - - Fail Safe - $7.50
ADUM3160 4 2.5 kV rms 12 Mbps - - - - - - $3.13
ADM2481 3 2.5 kV rms 500 kbps --- No 1 1 3.3 V Supply - $3.04
ADUM3220 - 2.5 kV rms - - - - - - - $1.60
ADN4670 2.375 - 1100 Mbps - - 0 0 - - $5.50
ADM489A 4.5 - 250 kbps - Yes 1 1 Enable 74 µA $1.05
ADM488A 4.5 - 250 kbps - No 1 1 Fail Safe 74 µA $0.90
ADM2587E 3 2.5 kV rms 0.5 Mbps 15 kV No 1 1 Isolated Power - $5.50
ADM2582E 3 2.5 kV rms 16 Mbps 15 kV No 1 1 Isolated Power - $6.50
ADN4666 3 - 400 Mbps 15 kV Yes 0 4 3.3 V Supply 15 mA $1.16
ADM1490E 4.75 - 16 Mbps 8 kV No 1 1 Fail Safe - $1.15
ADN4665 3 - 400 Mbps 15 kV Yes 4 0 3.3 V Supply 8 mA $1.16
ADN4664Reference Circuit Available 3 - 400 Mbps 15 kV - 0 2 3.3 V Supply 9 mA $0.80
ADN4663Reference Circuit Available 3 - 600 Mbps 15 kV - 2 0 3.3 V Supply 14 mA $0.80
ADN4662 3 - 400 Mbps 15 kV - 0 1 3.3 V Supply - $0.68
ADN4661 3 - 600 Mbps 15 kV - 1 0 3.3 V Supply 8 mA $0.68
ADM1491E 4.75 - 16 Mbps 8 kV No 1 1 Enable 1.2 mA $1.15
ADM3251E 4.5 2.5 kV rms 0.46 Mbps 15 kV No 1 1 Isolated RS-232 110 mA $2.99
ADN4668 3 - 400 Mbps 15 kV - 0 4 3.3 V Supply 15 mA $1.16
ADN2805 - - 1.25 Gbps - - - - - - $9.33
ADM2487E 3 2.5 kV rms 0.5 Mbps 15 kV No 2 1 Integrated Transformer Driver 4 mA $3.64
ADM2484E 3 5 kV rms 0.5 Mbps 15 kV No 2 2 Isolated RS-485 2 mA $3.04
ADM2482E 3 2.5 kV rms 16 Mbps 15 kV No 2 1 Integrated Transformer Driver 6 mA $4.66
ADN4667 3 - 400 Mbps 15 kV - 4 0 3.3 V Supply 8 mA $1.16
ADM2491E 3 5 kV rms 16 Mbps 8 kV No 2 2 Isolated RS-485 6 mA $4.76
ADM3101E 3 - 460 kbps 15 kV No 1 1 - 5 mA $0.89
ADM487E 4.75 - 250 kbps 15 kV Yes 1 1 Enable 400 µA $1.32
ADM485E 4.75 - 2.5 Mbps 15 kV No 1 1 Enable 900 µA $1.32
ADM3232E 3 - 460 kbps 15 kV No 2 2 - 3 mA $1.37
ADM2485Reference Circuit Available 2.7 2.5 kV rms 16 Mbps --- No 1 1 Integrated Transformer Driver - $5.57
ADM1487E 4.75 - 2.5 Mbps 15 kV No 1 1 Enable 500 µA $0.95
ADM3491E 3 - 12 Mbps 15 kV Yes 1 1 Enable 2.2 mA $1.42
ADM3490E 3 - 12 Mbps 15 kV No 1 1 Fail Safe 2.2 mA $1.37
ADM3488E 3 - 250 kbps 15 kV No 1 1 Fail Safe 2.2 mA $1.32
ADM3486E 3 - 2.5 Mbps 15 kV Yes 1 1 Enable 2.2 mA $1.32
ADM3483E 3 - 250 kbps 15 kV Yes 1 1 Enable 2.2 mA $1.32
ADM3078E 3 - 16 Mbps 15 kV Yes 1 1 Fail Safe 1.5 mA $1.55
ADM3077E 3 - 16 Mbps 15 kV No 1 1 Fail Safe 1.5 mA $1.57
ADM3076E 3 - 16 Mbps 15 kV Yes 1 1 Enable 1.5 mA $1.62
ADM3075E 3 - 500 kbps 15 kV Yes 1 1 Enable 1.5 mA $1.52
ADM3074E 3 - 500 kbps 15 kV No 1 1 Enable 1.5 mA $1.57
ADM3073E 3 - 500 kbps 15 kV Yes 1 1 Enable 1.5 mA $1.62
ADM3072E 3 - 250 kbps 15 kV Yes 1 1 Enable 1.5 mA $1.52
ADM3071E 3 - 250 kbps 15 kV No 1 1 Enable 1.5 mA $1.57
ADM3070E 3 - 250 kbps 15 kV Yes 1 1 Enable 1.5 mA $1.62
ADM2490E 2.7 5 kV rms 16 Mbps 8 kV No 1 1 Isolated RS-485 4 mA $4.55
ADM3493 3 - 250 kbps --- Yes 1 1 Enable 2.2 mA $0.96
ADM3490 3 - 10 Mbps --- No 1 1 - 2.2 mA $1.01
ADM3488 3 - 250 kbps --- No 1 1 Multi Protocol 2.2 mA $0.91
ADM3485 3 - 10 Mbps --- Yes 1 1 Enable 2.2 mA $1.01
ADM3483Reference Circuit Available 3 - 250 kbps --- Yes 1 1 Enable 2.2 mA $0.91
ADM4857 4.75 - 10 Mbps --- No 1 1 Fail Safe 500 µA $0.71
ADM4856 4.75 - 2.5 Mbps --- No 1 1 Fail Safe 500 µA $0.71
ADM4855 4.75 - 500 kbps --- No 1 1 Fail Safe 200 µA $0.71
ADM4854 4.75 - 115 kbps --- No 1 1 Fail Safe 160 µA $0.71
ADM4853 4.75 - 10 Mbps --- Yes 1 1 Enable 500 µA $0.71
ADM4852 4.75 - 2.5 Mbps --- Yes 1 1 Enable 500 µA $0.71
ADM4851 4.75 - 500 kbps --- Yes 1 1 Enable 200 µA $0.71
ADM4850 4.75 - 115 kbps --- Yes 1 1 Fail Safe 160 µA $0.71
ADM483 4.75 - 250 kbps --- Yes 1 1 Fail Safe 650 µA $0.67
ADM2483 2.7 2.5 kV rms 0.5 Mbps --- No 1 1 Isolated RS-485 2.5 mA $3.04
ADM2486 2.7 2.5 kV rms 20 Mbps --- No 1 1 Isolated RS-485 3 mA $5.04
ADM1486 4.75 - 30 Mbps --- No 1 1 Enable 2 mA $2.07
ADM3315E 2.7 - 460 kbps 15 kV Yes 3 3 Enable 850 µA $1.52
ADM3310E 2.7 - 460 kbps 15 kV Yes 3 5 Enable 850 µA $1.52
ADM3307E 2.7 - 1 Mbps 15 kV Yes 5 3 Enable 1.5 mA $1.47
ADM3312E 2.7 - 460 kbps 15 kV Yes 3 3 Enable 1 mA $1.47
ADM2209E 10.8 - 920 kbps 15 kV Yes 6 10 Shutdown 5 mA $2.78
ADM101E 4.5 - 460 kbps 15 kV Yes 1 1 Craft Port 1 mA $0.78
ADM3311E 2.7 - 460 kbps 15 kV Yes 3 5 Enable 1 mA $1.72
ADM3485EReference Circuit Available 3 - 12 Mbps 15 kV Yes 1 1 Enable 2.2 mA $1.32
ADM206E 4.5 - 230 kbps 15 kV Yes 4 3 Enable 13 mA $2.23
ADM3222 3 - 460 kbps --- Yes 2 2 Enable 3 mA $1.37
ADM1385 3 - 460 kbps --- Yes 2 2 Shutdown 3 mA $1.42
ADM3491 3 - 10 Mbps --- Yes 1 1 Enable 1.9 mA $1.37
ADM3202 3 - 460 kbps 15 kV No 2 2 - 3 mA $1.37
ADM489 4.5 - 250 kbps --- No 1 1 Enable 74 µA $1.62
ADM488 4.5 - 250 kbps --- No 1 1 Fail Safe 74 µA $1.11
ADM483E 4.5 - 250 kbps 15 kV Yes 1 1 Enable 360 µA $1.27
ADM213E 4.5 - 230 kbps 15 kV Yes 4 5 Enable 13 mA $2.32
ADM211E 4.5 - 230 kbps 15 kV Yes 4 5 Enable 13 mA $2.32
ADM208E 4.5 - 230 kbps 15 kV No 4 4 - 13 mA $2.23
ADM207E 4.5 - 230 kbps 15 kV No 5 3 - 13 mA $2.32
ADM202E 4.5 - 230 kbps 15 kV No 2 2 - 6 mA $1.48
ADM1181A 4.5 - 230 kbps 15 kV No 2 2 - 6 mA $1.42
ADM561 3 - 116 kbps --- Yes 4 5 Enable 5 mA $2.41
ADM560 3 - 116 kbps --- Yes 4 5 Enable 5 mA $2.41
ADM213 4.5 - 120 kbps --- Yes 4 5 Enable 13 mA $2.40
ADM211 4.5 - 120 kbps --- Yes 4 5 Enable 13 mA $1.94
ADM209 4.5 - 120 kbps --- No 3 5 Enable 13 mA -
ADM208 4.5 - 120 kbps --- No 4 4 - 13 mA $2.40
ADM207 4.5 - 120 kbps --- No 5 3 - 13 mA $2.47
ADM206 4.5 - 120 kbps --- Yes 4 3 Enable 13 mA $2.38
ADM242 4.5 - 200 kbps --- Yes 2 2 Enable 8 mA $1.58
ADM232A 4.5 - 200 kbps --- No 2 2 - 8 mA $1.58
ADM222 4.5 - 200 kbps --- Yes 2 2 Shutdown 8 mA $1.58
ADM202 4.5 - 120 kbps --- No 2 2 - 6 mA $1.27
ADM5170 9 - 116 kbps --- Yes 8 0 Enable 36 mA $2.75
ADM485 4.75 - 5 Mbps --- No 1 1 Enable 2.2 mA $1.31
ADM241L 4.5 - 120 kbps --- Yes 4 5 Enable 13 mA $2.31
ADM238L 4.5 - 120 kbps --- No 4 4 - 13 mA $2.40
ADM237L 4.75 - 120 kbps --- No 5 3 - 13 mA $2.31
ADM233L 4.75 - 120 kbps --- No 2 2 No Ext Caps Required 13 mA $2.79
ADM232L 4.5 - 120 kbps --- No 2 2 - 13 mA $1.27
ADM1485 4.75 - 30 Mbps --- No 1 1 Enable 2.2 mA $1.63
AD7306 4.75 - 5 Mbps --- No 3 2 Multi Protocol 15 mA $8.02
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Interface RS-232

Part#Vsupply Positive (min)#Tx# RxMax Data Rate# Rx Active in Shutdown# CapacitorsAutomotive RecommendedProtocolsShutdown/Disable15 kV ESD ProtectedUS Price 1000-4999
ADM3252E 3 2 2 460 kbps - 5 - RS-232 No - $8.49
ADM3251E 4.5 1 1 0.46 Mbps - 5 - RS-232 No Yes $2.99
ADM3101E 3 1 1 460 kbps - 4 - RS-232 No Yes $0.89
ADM3232E 3 2 2 460 kbps - 5 - RS-232 No Yes $1.37
ADM3315E 2.7 3 3 460 kbps 1 5 - RS-232 Yes Yes $1.52
ADM3310E 2.7 3 5 460 kbps 2 5 - RS-232 Yes Yes $1.52
ADM3307E 2.7 5 3 1 Mbps 1 5 - RS-232 Yes Yes $1.47
ADM3312E 2.7 3 3 460 kbps 1 5 - RS-232 Yes Yes $1.47
ADM2209E 10.8 6 10 920 kbps 2 2 - RS-232 Yes Yes $2.78
ADM101E 4.5 1 1 460 kbps 1 2 - RS-232 Yes Yes $0.78
ADM3311E 2.7 3 5 460 kbps 1 5 - RS-232 Yes Yes $1.72
ADM206E 4.5 4 3 230 kbps 0 4 - RS-232 Yes Yes $2.23
ADM3222 3 2 2 460 kbps 2 4 - RS-232 Yes No $1.37
ADM1385 3 2 2 460 kbps 2 4 - RS-232 Yes No $1.42
ADM3202 3 2 2 460 kbps - 4 - RS-232 No Yes $1.37
ADM213E 4.5 4 5 230 kbps 2 4 - RS-232 Yes Yes $2.32
ADM211E 4.5 4 5 230 kbps 0 4 - RS-232 Yes Yes $2.32
ADM208E 4.5 4 4 230 kbps - 4 - RS-232 No Yes $2.23
ADM207E 4.5 5 3 230 kbps - 4 - RS-232 No Yes $2.32
ADM202E 4.5 2 2 230 kbps - 4 - RS-232 No Yes $1.48
ADM1181A 4.5 2 2 230 kbps - 4 - RS-232 No Yes $1.42
ADM561 3 4 5 116 kbps 0 4 - RS-232 Yes No $2.41
ADM560 3 4 5 116 kbps 2 4 - RS-232 Yes No $2.41
ADM213 4.5 4 5 120 kbps 2 4 - RS-232 Yes No $2.40
ADM211 4.5 4 5 120 kbps 0 4 - RS-232 Yes No $1.94
ADM209 4.5 3 5 120 kbps - 2 - RS-232 No No -
ADM208 4.5 4 4 120 kbps - 4 - RS-232 No No $2.40
ADM207 4.5 5 3 120 kbps - 4 - RS-232 No No $2.47
ADM206 4.5 4 3 120 kbps 0 4 - RS-232 Yes No $2.38
ADM242 4.5 2 2 200 kbps 2 4 - RS-232 Yes No $1.58
ADM232A 4.5 2 2 200 kbps - 4 - RS-232 No No $1.58
ADM222 4.5 2 2 200 kbps 0 4 - RS-232 Yes No $1.58
ADM202 4.5 2 2 120 kbps - 4 - RS-232 No No $1.27
ADM5170 9 8 0 116 kbps 0 0 - RS-232 Yes No $2.75
ADM241L 4.5 4 5 120 kbps 0 4 - RS-232 Yes No $2.31
ADM238L 4.5 4 4 120 kbps - 4 - RS-232 No No $2.40
ADM237L 4.75 5 3 120 kbps - 4 - RS-232 No No $2.31
ADM233L 4.75 2 2 120 kbps - 0 - RS-232 No No $2.79
ADM232L 4.5 2 2 120 kbps - 4 - RS-232 No No $1.27
AD7306 4.75 3 2 5 Mbps - 4 - RS-232 No No $8.02
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