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ADM3251E:  Isolated Single Channel RS-232 Line Driver/Receiver

The ADM3251E is a high speed, single-channel RS-232 transceiver device that operates from a single power supply. This device is ideally suited to operation in electrically harsh environments or where RS-232 cables are frequently being plugged/unplugged.

The ADM3251E incorporates dual-channel digital isolators with isoPower integrated, isolated power. There is no requirement for a separate ...More

ADM3251E:  Isolated Single Channel RS-232 Line Driver/Receiver

Product Description

The ADM3251E is a high speed, single-channel RS-232 transceiver device that operates from a single power supply. This device is ideally suited to operation in electrically harsh environments or where RS-232 cables are frequently being plugged/unplugged.

The ADM3251E incorporates dual-channel digital isolators with isoPower integrated, isolated power. There is no requirement for a separate isolated dc-to-dc converter as the ADM3251E has a chip-scale dc-to-dc converter which is based on Analog Devices, Inc. iCoupler® technology.

Analog Devices’ chip-scale transformer iCoupler technology is used both for the isolation of the logic signals as well as for the dc-to-dc converter. The result is a small form factor, total isolation solution.

Five external 0.1μF charge pump capacitors are used for the voltage doubler/inverter permitting operation from a single supply.

The ADM3251E conforms to the EIA-232E specifications and operates at data rates up to 460 kbps.

The device is ideally suited to operation in electrically harsh environments. RS-232 pins, RIN and TOUT are protected against electrostatic discharges (up to ±15 kV ESD protection).

The ADM3251E is available in a 20 lead Wide Body SOIC package.

Applications

  • High noise data communications
  • Industrial Communications
  • Industrial/Telecom Diagnostic Ports

    • RESOURCES & TOOLS

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    • 460 kbps Data Rate
    • 1 Tx and 1 Rx
    • Meets EIA-232E specifications
    • 0.1uF charge pump capacitors
    • Integrated isolated dc-to-dc converter
    • ESD protection to IEC1000-4-2(801.2)
      on RIN and TOUT pins.
    • ±8kV: contact discharge
    • ±15kV: air gap discharge
    • Integrated isolated dc-to-dc converter
    • High common-mode transient immunity: >25kV/us
    • Safety and regulatory approvals (pending)
      UL recognition
      VDE certificate of conformity
    • 20 Lead WSOIC package
    • Protocols: RS-232
    • #Tx: 1
    • # Rx: 1
    • Data Rate: 460kbps
    • Max Pos Supply: +5.5V
    • 15 kV ESD: Yes
    • Low Power Shutdown: No
    • # Rx Active in Shutdown: n/a
    • # Capacitors: 5
    • Capacitor Size: 0.1µF
    • Operating Temp Range: -40 to +85
    • Available Packages: SOIC

    Functional Block Diagram for ADM3251E

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    Part# Min Pos Supply Data Rate #Tx # Rx ESD-Protection Low Pwr Shutdown # Rx Active in Shutdown # Capacitors Capacitor Size Available Packages Icc Unloaded Price* (1000-4999) Product Description
    ADM3251E +4.5 460kbps 1 1 15 kV No n/a 5 0.1µF SOIC 110mA $2.99 Isolated Single Channel, RS-232 Line Driver/Receiver
    ADM3312E +2.7 460kbps 3 3 15 kV Yes 1 5 0.1µF CSP, SOP 1mA $1.47 15 kV ESD Protected, 2.7V to 3.6V, Serial Port Transceivers with Green Idle™
    ADM3310E +2.7 460kbps 3 5 15 kV Yes 2 5 0.1µF CSP, SOP 850µA $1.52 15 kV ESD Protected, 2.7V to 3.6V, Serial Port Transceivers with Green Idle™
    ADM3311E +2.7 460kbps 3 5 15 kV Yes 1 5 0.1µF CSP, SOP 1mA $1.72 15 kV ESD Protected, 2.7V to 3.6V, Serial Port Transceivers with Green Idle™
    ADM3315E +2.7 460kbps 3 3 15 kV Yes 1 5 0.1µF CSP, SOP 850µA $1.52 15 kV ESD Protected, 2.7V to 3.6V, Serial Port Transceivers with Green Idle™
    ADM3307E +2.7 1Mbps 5 3 15 kV Yes 1 5 0.1µF CSP, SOP 1.5mA $1.47 15 kV ESD Protected, 2.7V to 3.6V, Serial Port Transceivers with Green Idle™
    ADM560 +3 116kbps 4 5 --- Yes 2 4 1µF SOIC, SOP 5mA $2.41 Ultralow Power, +3.3V, RS-232 Notebook PC Serial Port Drivers/Receivers
    ADM561 +3 116kbps 4 5 --- Yes 0 4 1µF SOIC, SOP 5mA $2.41 Ultralow Power, +3.3V, RS-232 Notebook PC Serial Port Drivers/Receivers
    ADM3101E +3 460kbps 1 1 15 kV No n/a 4 0.1µF CSP 5mA $0.89 3.3 V, Single Channel RS-232 Line Driver/Receiver
    ADM3232E +3 460kbps 2 2 15 kV No n/a 5 0.1µF SOIC, SOP 3mA $1.37 ±15 kV ESD Protected, 3.3 V, RS-232 Line Driver/Receiver
    ADM1385 +3 460kbps 2 2 --- Yes 2 4 0.1µF SOP 3mA $1.42 High-Speed, 2-Channel RS-232/V.28 Interface Transceiver
    ADM3202 +3 460kbps 2 2 15 kV No n/a 4 0.1µF DIP, SOIC, SOP 3mA $1.37 High-Speed, Low Power, 2-Channel RS-232/V.28 Interface Line Driver/Receiver
    ADM3222 +3 460kbps 2 2 --- Yes 2 4 0.1µF DIP, SOIC, SOP 3mA $1.37 High-Speed, 2-Channel, RS-232/V.28 Interface Devices
    ADM202 +4.5 120kbps 2 2 --- No n/a 4 0.1µF DIP, SOIC 6mA $1.27 High Speed, +5V, 0.1 µF CMOS RS-232 Driver/Receivers
    ADM203 +4.5 120kbps 2 2 --- No n/a 0 n/a DIP 6mA - High Speed, +5V, 0.1 µF CMOS RS-232 Driver/Receiver
    ADM231L +4.5 120kbps 2 2 --- No n/a 2 1µF DIP, SOIC 13mA - +5V & +12V Powered, CMOS RS-232 Driver/Receiver
    ADM232L +4.5 120kbps 2 2 --- No n/a 4 1µF DIP, SOIC 13mA $1.27 +5V Powered, CMOS RS-232 Drivers/Receivers
    ADM209 +4.5 120kbps 3 5 --- No n/a 2 0.1µF DIP, SOIC, SOP 13mA - 0.1 µF, +5V & +12V Powered CMOS RS-232 Driver/Receiver
    ADM239L +4.5 120kbps 3 5 --- No n/a 2 1µF DIP, SOIC 13mA - +5V & +12V Powered, CMOS RS-232 Drivers/Receivers
    ADM234L +4.5 120kbps 4 0 --- No n/a 4 1µF DIP, SOIC 13mA - +5V Powered CMOS RS-232 Drivers/Receivers
    ADM206 +4.5 120kbps 4 3 --- Yes 0 4 0.1µF DIP, SOIC 13mA $2.31 0.1 µF, +5V Powered CMOS RS-232 Driver/Receiver
    ADM236L +4.5 120kbps 4 3 --- Yes 0 4 1µF DIP, SOIC 13mA - +5V Powered CMOS RS-232 Drivers/Receivers
    ADM208 +4.5 120kbps 4 4 --- No n/a 4 0.1µF DIP, SOIC, SOP 13mA $2.40 0.1 µF, +5V Powered CMOS RS-232 Driver/Receiver
    ADM238L +4.5 120kbps 4 4 --- No n/a 4 1µF DIP, SOIC 13mA $2.40 +5V Powered CMOS RS-232 Drivers/Receivers
    ADM211 +4.5 120kbps 4 5 --- Yes 0 4 0.1µF SOIC, SOP 13mA $1.94 0.1 µF, +5V Powered CMOS RS-232 Driver/Receiver
    ADM213 +4.5 120kbps 4 5 --- Yes 2 4 0.1µF SOIC, SOP 13mA $2.40 0.1 µF, +5V Powered CMOS RS-232 Driver/Receiver
    ADM241L +4.5 120kbps 4 5 --- Yes 0 4 1µF SOIC, SOP 13mA $2.31 5 V Powered CMOS RS-232 Interface Line Drivers/Receivers
    ADM207 +4.5 120kbps 5 3 --- No n/a 4 0.1µF DIP, SOIC, SOP 13mA $2.40 0.1 µF, +5V Powered CMOS RS-232 Driver/Receiver
    ADM222 +4.5 200kbps 2 2 --- Yes 0 4 0.1µF DIP, SOIC 8mA $1.58 High Speed, +5V, 0.1 µF CMOS RS-232 Driver/Receiver
    ADM232A +4.5 200kbps 2 2 --- No n/a 4 0.1µF DIP, SOIC 8mA $1.58 High Speed, +5V, 0.1 µF CMOS RS-232 Driver/Receivers
    ADM242 +4.5 200kbps 2 2 --- Yes 2 4 0.1µF DIP, SOIC 8mA $1.58 High Speed, +5V, 0.1 µF, CMOS RS-232 Interface Line Driver/Receivers
    ADM1181A +4.5 230kbps 2 2 15 kV No n/a 4 0.1µF DIP, SOIC 6mA $1.42 EMI/EMC-Compliant, ±15 kV, ESD Protected, RS-232 Line Drivers/Receivers
    ADM202E +4.5 230kbps 2 2 15 kV No n/a 4 0.1µF DIP, SOIC, SOP 6mA $1.48 EMI/EMC-Compliant, ±15 kV ESD Protected, RS-232 Line Driver/Receiver
    ADM206E +4.5 230kbps 4 3 15 kV Yes 0 4 0.1µF SOIC 13mA $2.23 EMI/EMC Compliant, ±15kV Protected, RS-232 Line Driver/Receiver
    ADM208E +4.5 230kbps 4 4 15 kV No n/a 4 0.1µF DIP, SOIC, SOP 13mA $2.23 EMI/EMC Compliant, ±15kV Protected, RS-232 Line Driver/Receiver
    ADM211E +4.5 230kbps 4 5 15 kV Yes 0 4 0.1µF SOIC, SOP 13mA $2.32 EMI/EMC Compliant, ±15kV Protected, RS-232 Line Driver/Receiver
    ADM213E +4.5 230kbps 4 5 15 kV Yes 2 4 0.1µF SOIC, SOP 13mA $2.32 EMI/EMC Compliant, ±15kV Protected, RS-232 Line Driver/Receiver
    ADM207E +4.5 230kbps 5 3 15 kV No n/a 4 0.1µF DIP, SOIC, SOP 13mA $2.32 EMI/EMC Compliant, ±15kV Protected, RS-232 Line Driver/Receiver
    ADM101E +4.5 460kbps 1 1 15 kV Yes 1 2 0.1µF SOIC, SOP 1mA $0.78 Craft Port™, Tiny RS-232 Transceiver for Portable Applications
    ADM233L +4.75 120kbps 2 2 --- No n/a 0 n/a DIP 13mA $2.79 +5V Powered CMOS RS-232 Drivers/Receivers
    ADM237L +4.75 120kbps 5 3 --- No n/a 4 1µF DIP, SOIC 13mA $2.31 +5V Powered CMOS RS-232 Drivers/Receivers
    ADM5180 +4.75 200kbps 0 8 --- No n/a 0 n/a DIP, LCC 5mA - Octal, RS-232/RS-423 Interface Line Receiver
    AD7306 +4.75 5Mbps 3 2 --- No n/a 4 0.1µF DIP, SOIC 15mA $7.79 +5 V Powered RS-232/RS-422 Interface Transceiver
    ADM5170 +9 116kbps 8 0 --- Yes 0 0 n/a DIP, LCC 36mA $2.75 Octal, RS-232/RS-423 Interface Line-Driver, ±10V Power Supply Input
    ADM2209E +10.8 920kbps 6 10 15 kV Yes 2 2 0.1µF SOP 5mA $2.78 EMI-/EMC-Compliant, ±15 kV ESD Protected, Dual RS-232 Port w/ Low Power Standby Mode
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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.