3.0 V to 5.5 V with VIO, 12 kV IEC ESD Protected, Half Duplex 500 kbps RS-485 Transceiver Features: TIA/EIA RS-485 compliant over full supply range 3.0 V to 5.5 V operating voltage range on VCC 1.62 V to 5.5 V VIO logic supply option available ESD protection on the bus pins IEC 61000-4-2 ±12 kV contact discharge IEC 61000-4-2 ≥ ±12 kV air discharge HBM: ≥ ±30 kV Full hot swap support (glitch free power-up/power-down) High speed 50 Mbps data rate (ADM3065E/ADM3066E/ADM3067E/ADM3068E) Low speed 500 kbps data rate for long cables (ADM3061E/ADM3062E/ADM3063E) Full receiver short-circuit, open circuit, and bus idle fail-safe Extended temperature range up to 125°C PROFIBUS compliant at VCC ≥ 4.5 V Half duplex and full duplex models available Allows connection of up to 128 transceivers onto the bus Space-saving package options 10-lead, 3 mm × 3 mm LFCSP 8-lead and 10-lead, 3 mm × 3 mm MSOP 8-lead and 14-lead, narrow body SOIC

3.0 V to 5.5 V, 12 kV IEC ESD Protected, Full Duplex 500 kbps RS-485 Transceiver Features: TIA/EIA RS-485 compliant over full supply range 3.0 V to 5.5 V operating voltage range on VCC 1.62 V to 5.5 V VIO logic supply option available ESD protection on the bus pins IEC 61000-4-2 ±12 kV contact discharge IEC 61000-4-2 ≥ ±12 kV air discharge HBM: ≥ ±30 kV Full hot swap support (glitch free power-up/power-down) High speed 50 Mbps data rate (ADM3065E/ADM3066E/ADM3067E) Low speed 500 kbps data rate for long cables (ADM3061E/ADM3062E/ADM3063E) Full receiver short-circuit, open circuit, and bus idle fail-safe Extended temperature range up to 125°C PROFIBUS compliant at VCC ≥ 4.5 V Half duplex and full duplex models available Allows connection of up to 128 transceivers onto the bus Space-saving package options 10-lead, 3 mm × 3 mm LFCSP 8-lead and 10-lead, 3 mm × 3 mm MSOP 8-lead and 14-lead, narrow body SOIC

3.0 V to 5.5 V, 12 kV IEC ESD Protected, Half Duplex 50 Mbps RS-485 Transceiver Features: TIA/EIA RS-485 compliant over full supply range 3.0 V to 5.5 V operating voltage range on VCC 1.62 V to 5.5 V VIO logic supply option available ESD protection on the bus pins IEC 61000-4-2 ±12 kV contact discharge IEC 61000-4-2 ≥ ±12 kV air discharge HBM: ≥ ±30 kV Full hot swap support (glitch free power-up/power-down) High speed 50 Mbps data rate (ADM3065E/ADM3066E/ADM3067E/ADM3068E) Low speed 500 kbps data rate for long cables (ADM3061E/ADM3062E/ADM3063E) Full receiver short-circuit, open circuit, and bus idle fail-safe Extended temperature range up to 125°C PROFIBUS compliant at VCC ≥ 4.5 V Half duplex and full duplex models available Allows connection of up to 128 transceivers onto the bus Space-saving package options 10-lead, 3 mm × 3 mm LFCSP 8-lead and 10-lead, 3 mm × 3 mm MSOP 8-lead and 14-lead, narrow body SOICSupports defense and aerospace applications (AQEC standard) Download ADM3065E-EP/ADM3066E-EP/ADM3067E-EP Data Sheet (PDF) Extended industrial temperature range: −55°C to +125°C Controlled manufacturing baseline 1 assembly/test site 1 fabrication site Product change notification Qualification data available on requestV62/19613

5.7 kV RMS/1.5 kV RMS, Quad-Channel LVDS 2.5 Gigabit Isolator (0 Reverse Channels) Features: 5.7 kV rms and 1.5 kV rms LVDS isolators Complies with TIA/EIA-644-A LVDS signal levels Quad-channel configuration Any data rate up to 2.5 Gbps switching with low jitter 10 Gbps total bandwidth across four channels 2.15 ns typical propagation delay Typical jitter: 0.82 ps rms random, 40 ps total peak Lower power 1.8 V supplies ±8 kV IEC 61000-4-2 ESD protection across isolation barrier High common-mode transient immunity: 100 kV/μs typical Safety and regulatory approvals (28-lead SOIC_W_FP package) UL (pending): 5700 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A (pending) VDE certificate of conformity (pending) DIN V VDE V 0884-11 (VDE V 0884-11):2017-01 VIORM = 849 VPEAK (working voltage) Enable or disable refresh (low speed output correctness check) Operating temperature range: −40°C to +125°C 28-lead, wide-body, finer pitch SOIC_W_FP package with 8.3 mm creepage and clearance or 6 mm × 6 mm LFCSP package with 1.27 mm creepage and clearance

5 kV RMS/3.75 kV RMS, Dual LVDS Gigabit Isolator (0 Reverse Channels) Features: 5 kV rms and 3.75 kV rms LVDS isolators Complies with TIA/EIA-644-A LVDS standard Multiple dual-channel configurations Any data rate up to 1.1 Gbps switching with low jitter 4 ns typical propagation delay 2.6 ps rms typical random jitter, rms 90 ps typical peak-to-peak total jitter at 1.1 Gbps 2.5 V or 3.3 V supplies −75 dBc power supply ripple rejection, phase spur level Glitch immunity ±8 kV IEC 61000-4-2 ESD protection across isolation barrier High common-mode transient immunity: >25 kV/μs Passes EN 55022 Class B radiated emissions limits with 1.1 Gbps PRBS Safety and regulatory approvals (20-lead SOIC_W package) UL (pending): 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A (pending) VDE certificate of conformity (pending) DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 424 VPEAK Fail-safe output high for open, short, and terminated input conditions (ADN4655/ADN4656) Operating temperature range: −40°C to +125°C 7.8 mm minimum creepage and clearance

INTERFACE / COMMUNICATIONS;

INTERFACE / COMMUNICATIONS;

IEEE 802.3bt PD Interface with Forward/Flyback Controller Features: IEEE 802.3af/at/bt Powered Device (PD) with Forward/Flyback Controller Supports Up to 71.3W PDs 5-Event Classification Sensing Superior Surge Protection (100V Absolute Maximum) Wide Junction Temperature Range (–40°C to 125°C) >94% End-to-End Efficiency with LT4321 Ideal Bridge External Hot Swap N-Channel MOSFET for Lowest Power Dissipation and Highest System Efficiency No-Opto Flyback Operation Auxiliary Power Support as Low as 9V Easy Migration of LTPoE++® PDs to IEEE 802.3bt PDs Pin Compatible with LT4276A/B/C 28-Lead 4mm × 5mm QFN Package

1/1 Transceiver Half RS422, RS485 8-PDIP

4-Digit Up/Down Counter IC 2MHz 28-PDIP