The ADuM2400/ADuM2401/ADuM2402 are 4-channel digital isolators based on Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics that are superior to alternatives, such as optocoupler devices. By avoiding the use of LEDs and photodiodes, iCoupler devices remove the design difficulties commonly associated with opto-couplers. The typical optocoupler concerns regarding uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects are eliminated with the simple iCoupler digital interfaces and stable performance characteristics. Furthermore, iCoupler devices run at one-tenth to one-sixth the power of optocouplers at comparable signal data rates.The ADuM2400/ADuM2401/ADuM2402 isolators provide four independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide). The ADuM2400/ADuM2401/ADuM2402 models operate with the supply voltage of either side ranging from 2.7 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling a voltage translation functionality across the isolation barrier. In addition, the ADuM2400/ADuM2401/ADuM2402 provide low pulse width distortion (<2 ns for CRWZ grade) and tight channel-to-channel matching (<2 ns for CRWZ grade). The ADuM2400/ADuM2401/ADuM2402 isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.APPLICATIONS General-purpose, high voltage, multichannel isolation Medical equipment Motor drives Power supplies

The ADuM524x are dual-channel digital isolators with isoPower integrated, isolated power. Based on the Analog Devices, Inc. iCoupler® technology, a chip-scale DC/DC converter provides up to 50 mW of regulated, isolated power at 5 V, which eliminates the need for a separate isolated DC/DC converter in low power isolated designs. The Analog Devices chip-scale transformer iCoupler technology is used both for the isolation of the logic signals as well as for the DC/DC converter. The result is a small form factor, total isolation solution.The ADuM524x isolators provide two independent isolation channels in a variety of channel configurations, operating from a 5 V input supply. ADuM524x units may be used in combination with other iCoupler products to achieve greater channel counts.

The ADM3251E is a high speed, 2.5 kV fully isolated, single-channel RS-232/V.28 transceiver device that operates from asingle 5 V power supply. Due to the high ESD protection on the RIN and TOUT pins, the device is ideally suited for operation in electrically harsh environments or where RS-232 cables arefrequently being plugged and unplugged.The ADM3251E incorporates dual-channel digital isolators withisoPower™ integrated, isolated power. There is no requirement to use a separate isolated dc-to-dc converter. Chip-scale transformer iCoupler® technology from Analog Devices, Inc., is used both for the isolation of the logic signals as well as for the integrated dc-to-dc converter. The result is a total isolation solution.The ADM3251E contains isoPower technology that uses high frequency switching elements to transfer power through the transformer. Special care must be taken during printed circuitboard (PCB) layout to meet emissions standards. Refer to Application Note AN-0971, Control of Radiated Emissions with isoPower Devices, for details on board layout considerations. The ADM3251E conforms to the EIA/TIA-232E and ITU-T V. 28 specifications and operates at data rates up to 460 kbps. Four external 0.1 μF charge pump capacitors are used for the voltage doubler/inverter, permitting operation from a single 5 V supply.The ADM3251E is available in a 20-lead, wide body SOIC package and is specified over the −40°C to +85°C temperature range.Applications High noise data communications Industrial communications General-purpose RS-232 data links Industrial/telecommunications diagnostic ports Medical equipment

1/1 Transceiver Half RS422, RS485 8-PDIP

Robust, Triple Ch. Isolator W/ Input Disable & 0 Reverse Channels Features: High common-mode transient immunity: 100 kV/µs High robustness to radiated and conducted noise Low propagation delay 13 ns maximum for 5 V operation 15 ns maximum for 1.8 V operation 150 Mbps maximum guaranteed data rate Backward compatibility ADuM130E1/ADuM131E1 pin compatible with ADuM1300/ADUM1301 Low dynamic power consumption 1.8 V to 5 V level translation High temperature operation: 125°C Fail-safe high or low options 16-lead, RoHS compliant, SOIC package See data sheet for additional information

Robust, Quad Channel Isolator W/ Input Disable & 0 Reverse Channels Features: High common-mode transient immunity: 100 kV/μs High robustness to radiated and conducted noise Low propagation delay 13 ns maximum for 5 V operation 15 ns maximum for 1.8 V operation 150 Mbps maximum guaranteed data rate Safety and regulatory approvals UL recognition 3000 V rms/3750 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A VDE certificate of conformity DIN V VDE V 0884-11 (VDE V 0884-11):2017-01 VIORM = 849 V peak CQC certification per GB4943.1-2011 Backward compatibility ADuM140E1/ADuM141E1/ADuM142E1 pin-compatible with ADuM1400/ADuM1401/ADuM1402 Low dynamic power consumption 1.8 V to 5 V level translation High temperature operation: 125°C Fail-safe high or low options 16-lead, RoHS compliant, SOIC package Qualified for automotive applications

Robust, Quad Channel Isolator W/ Output Enable & 0 Reverse Channels Features: High common-mode transient immunity: 100 kV/μs High robustness to radiated and conducted noise Low propagation delay 13 ns maximum for 5 V operation 15 ns maximum for 1.8 V operation 150 Mbps maximum guaranteed data rate Safety and regulatory approvals UL recognition 3000 V rms/3750 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A VDE certificate of conformity DIN V VDE V 0884-11 (VDE V 0884-11):2017-01 VIORM = 849 V peak CQC certification per GB4943.1-2011 Backward compatibility ADuM140E1/ADuM141E1/ADuM142E1 pin-compatible with ADuM1400/ADuM1401/ADuM1402 Low dynamic power consumption 1.8 V to 5 V level translation High temperature operation: 125°C Fail-safe high or low options 16-lead, RoHS compliant, SOIC package Qualified for automotive applications

Hot-Swappable Dual I2C Isolators, 5 kV Features: Bidirectional I2C communication Open-drain interfaces Suitable for hot swap applications 30 mA current sink capability 1000 KHz operation 3.0 V to 5.5 V supply/logic levels 16-lead SOIC wide body package version (RW-16) High temperature operation: 105°C 16-lead SOIC wide body enhanced creepage version (RI-16-2 Safety and regulatory approvals UL recognition: 5000 V rms for 1 minute per UL 1577 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A (RI-16-2 package)

3.75 kV, 7-Channel, SPIsolator Digital Isolators for SPI (with 0/3 Aux channel directionality) Features: Supports up to 17 MHz SPI clock speed 4 high speed, low propagation delay, SPI signal isolation channels Three 250 kbps data channels 20-lead SSOP package with 5.1 mm creepage High temperature operation: 125°C High common-mode transient immunity: >25 kV/μs Safety and regulatory approvals UL recognition per UL 1577 3750 V rms for 1 minute CSA Component Acceptance Notice 5A VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 565 V peak

Triple-Channel, Digital Isolator, Enhanced System-Level ESD Reliability (3/0 channel directionality) Features: Enhanced system-level ESD performance per IEC 61000-4-x Low power operation 5 V operation 2.0 mA per channel maximum at 0 Mbps to 2 Mbps 4.1 mA per channel maximum at 10 Mbps 36 mA per channel maximum at 90 Mbps 3.3 V operation 1.0 mA per channel maximum at 0 Mbps to 2 Mbps 2.8 mA per channel maximum at 10 Mbps 17 mA per channel maximum at 90 Mbps Bidirectional communication 3.3 V/5 V level translation High temperature operation: 105°C High data rate: dc to 90 Mbps (NRZ) Precise timing characteristics 2 ns maximum pulse width distortion 2 ns maximum channel-to-channel matching High common-mode transient immunity: >25 kV/μs Output enable function 16-lead SOIC wide body, RoHS-compliant package Safety and regulatory approvals UL recognition: 2500 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A VDE Certificate of Conformity DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 VIORM = 560 V peak CQC Certification per GB4943.1-2011