Analog Devices Inc./Maxim Integrated MAX22565CAAP+

Overview

MAX22565CAAP+ from Analog Devices is a six-channel reinforced digital isolator with five unidirectional channels (A→B) and one reverse-direction channel (B→A), 200Mbps maximum data rate, 3.75kVRMS isolation rating, and 50kV/μs CMTI. It operates across 1.71V–5.5V dual supplies and is used in isolated SPI, BMS, and motor control interfaces requiring high noise immunity and low power.

For engineers reviewing the MAX22565CAAP+ datasheet, MAX22565CAAP+ pinout, MAX22565CAAP+ application, or MAX22565CAAP+ equivalent, this page delivers verified specifications, functional channel mapping, safety certifications (UL/cUL/VDE pending), thermal performance (θJA = 94.3°C/W), and real-world design context for automotive and industrial isolation systems.

Technical Context

The MAX22565CAAP+ implements capacitive galvanic isolation using Analog Devices' proprietary process, enabling reinforced insulation with 3.75kVRMS withstand voltage and 784VRMS continuous working voltage. Its architecture supports independent 1.71V–5.5V supplies on both sides, allowing level translation between disparate logic domains while maintaining signal integrity.

It features user-selectable default-high or default-low outputs via DEFA/DEFB pins, active-high enable inputs (ENA/ENB), and a refresh circuit ensuring output stability during static input conditions. The device achieves 7ns typical propagation delay at 3.3V and 11.1ps RMS clock jitter, supporting timing-critical interfaces like isolated high-speed SPI and digital I/O.

Key Specifications

Pinout & Package

Package: 20-pin SSOP (20 SSOP), 5.5mm creepage and clearance, RoHS-compliant, thermal resistance θJA = 94.3°C/W.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar six-channel digital isolator applications.

Compared with MAX22565BAAP+ and Si8661ED-A-IS, the MAX22565CAAP+ uniquely combines 200Mbps speed, five-one channel topology, and programmable default states-enabling precise timing control and fail-safe behavior in high-performance automotive and industrial isolation systems without layout changes.

Availability

MAX22565CAAP+ is available at Aetrix Electronics and suitable for battery management systems, motor drives, and automotive inverters requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant isolation performance.

Supply support for MAX22565CAAP+ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.

The MAX22565CAAP+ belongs to the MAX22563–MAX22566 family of reinforced digital isolators, designed specifically for high-reliability, high-speed isolation in automotive BMS, EV inverters, and industrial motor control where safety, noise immunity, and timing precision are critical.

FAQ

What is the maximum data rate supported by the MAX22565CAAP+?

The MAX22565CAAP+ supports a maximum data rate of 200Mbps, confirmed in the datasheet's Dynamic Characteristics section for the "C" version. This applies across the full 1.71V–5.5V supply range on both sides, with timing validated at CL = 15pF and TA = –40°C to +125°C. The "B" variant (e.g., MAX22565BAAP+) is limited to 25Mbps.

Does the MAX22565CAAP+ support independent voltage supplies on each side?

Yes, the MAX22565CAAP+ supports fully independent supplies: VDDA (1.71V–5.5V) referenced to GNDA and VDDB (1.71V–5.5V) referenced to GNDB. This enables true level translation-for example, interfacing a 1.8V FPGA on Side A with a 5V ADC on Side B-without external level shifters, as specified in the DC Electrical Characteristics table.

How is the channel directionality configured in the MAX22565CAAP+?

The MAX22565CAAP+ has fixed channel directionality: five channels (IN1–IN5 → OUT1–OUT5) transmit unidirectionally from Side A to Side B, and one channel (IN6 ↔ OUT6) supports bidirectional operation-configured as B→A when used as an input on Side A and A→B when used as an output on Side B. This is explicitly defined in the Functional Diagrams and Pin Descriptions sections of the datasheet.

What safety certifications does the MAX22565CAAP+ hold?

The MAX22565CAAP+ is certified to UL1577 (File E351759) and CSA Bulletin 5A (cUL), rated for 3750VRMS isolation. VDE 0884-11 reinforced insulation certification is pending. All ratings-including 3.75kVRMS withstand, 784VRMS working voltage, and ±12.8kV surge-are validated per IEC 60747-5-5 and documented in Table 1 and the Safety Regulatory Approvals section.

Can the MAX22565CAAP+ operate at automotive temperature ranges?

Yes, the MAX22565CAAP+ is rated for operation from –40°C to +125°C, and devices with the "/V" suffix (e.g., MAX22565CAAP+V) are AEC-Q100 qualified. While the base MAX22565CAAP+ shares the same temperature specification and construction, formal AEC-Q100 qualification requires the /V variant-confirmed in the Ordering Information and AEC-Q100 Qualification sections of the datasheet.