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Analog Devices Inc./Maxim Integrated MAX22665FAWE+
- Part No.:
- MAX22665FAWE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Digital Isolators
- Package:
- -
- Datasheet:
-
MAX22665FAWE+.pdf
- Description:
- 6 CHANNEL REINFORCED ISOLATOR
- Quantity:
- Payment:
- Shipping:
Inventory:465
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Product details
Overview
MAX22665FAWE+ from Analog Devices is a six-channel reinforced digital isolator with five unidirectional channels transmitting from Side A to Side B and one reverse-direction channel (A↔B), rated for 5kVRMS isolation, 200Mbps max data rate, and operation from -40°C to +125°C. It enables isolated SPI, CAN, and digital I/O in battery management systems and motor drives.
For engineers reviewing the MAX22665FAWE+ datasheet, MAX22665FAWE+ pinout, MAX22665FAWE+ application, or MAX22665FAWE+ equivalent, this page delivers verified specifications, functional channel mapping, safety certifications (UL1577, cUL, VDE pending), and design-critical timing parameters including 7ns typical propagation delay and 50kV/μs CMTI.
Technical Context
The MAX22665FAWE+ implements Analog Devices' proprietary capacitive isolation technology with reinforced insulation barrier, supporting independent 1.71V–5.5V supplies on both sides for level-shifting functionality. Its architecture includes a refresh circuit ensuring output stability during static input conditions.
As a /F variant, it features default-high outputs and operates at up to 200Mbps with low jitter (11.1ps RMS clock jitter) and high noise immunity-critical for real-time control loops in automotive inverters and industrial PLCs where signal integrity across ground domains is non-negotiable.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 5kVRMS for 60s (UL1577); enables safe separation of high-voltage battery domains from low-voltage MCU logic |
| Max Data Rate | 200Mbps (C/F version); supports high-speed isolated SPI and CAN FD interfaces without bottlenecks |
| Propagation Delay | 7ns typ at VDD = 3.3V; minimizes latency in closed-loop motor control and real-time BMS monitoring |
| CMTI | 50kV/μs typ; rejects fast transients in noisy inverter environments without data corruption |
| Supply Range | 1.71V–5.5V per side; allows direct interfacing with 1.8V, 3.3V, and 5V logic domains without external level shifters |
| Power @ 1Mbps | 0.90mW/channel at 1.8V; reduces thermal load in compact, sealed automotive modules |
| Operating Temp | -40°C to +125°C; qualified for under-hood and traction inverter applications per AEC-Q100 requirements |
Pinout & Package
Package: 16-pin Wide SOIC (W16MS+13), 8mm creepage/clearance, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 VDDA | Side A power supply | Bypass with 0.1µF capacitor; sets logic levels for IN1–IN6 inputs |
| 2 IN1 | Unidirectional input (A→B) | Drives OUT1 on Side B; no pullup required (push-pull output) |
| 3 IN2 | Unidirectional input (A→B) | Drives OUT2 on Side B; supports DC–200Mbps signaling |
| 4 IN3 | Unidirectional input (A→B) | Drives OUT3 on Side B; part of primary 5-channel forward path |
| 5 IN4 | Bidirectional-capable input/output | Configured as IN4 (A→B) or OUT4 (B→A); used for reverse-direction control signals |
| 6 IN5 | Bidirectional-capable input/output | Configured as IN5 (A→B) or OUT5 (B→A); supports full-duplex isolated interfaces |
| 7 IN6 | Bidirectional-capable input/output | Configured as IN6 (A→B) or OUT6 (B→A); completes 1-channel reverse path |
| 8 GNDA | Side A ground reference | Must be isolated from GNDB; defines return path for VDDA and INx signals |
| 9 GNDB | Side B ground reference | Must be isolated from GNDA; defines return path for VDDB and OUTx signals |
| 10 OUT6 | Reverse-direction output (B→A) | Driven by IN6 on Side A; enables bidirectional handshake in isolated communication |
| 11 OUT5 | Reverse-direction output (B→A) | Driven by IN5 on Side A; supports status feedback from isolated peripherals |
| 12 OUT4 | Reverse-direction output (B→A) | Driven by IN4 on Side A; provides flexible channel allocation for custom protocols |
| 13 OUT3 | Unidirectional output (A→B) | Driven by IN3 on Side A; part of main 5-channel forward path |
| 14 OUT2 | Unidirectional output (A→B) | Driven by IN2 on Side A; TTL/CMOS compatible, no external pullups needed |
| 15 OUT1 | Unidirectional output (A→B) | Driven by IN1 on Side A; first channel in forward data stream |
| 16 VDDB | Side B power supply | Bypass with 0.1µF capacitor; powers all OUTx drivers and defines Side B logic levels |
Key Features
| Feature | Design Value |
|---|---|
| Reinforced Isolation | 5kVRMS withstand (60s), 848VRMS working voltage - meets IEC 60747-5-5 for safety-critical automotive systems |
| Low-Power Operation | 0.90mW/channel @ 1.8V/1Mbps - enables energy-efficient designs in thermally constrained battery packs |
| High-Speed Performance | 200Mbps max data rate with 7ns propagation delay - supports high-resolution encoder feedback in servo drives |
| Robust EMI Immunity | 50kV/μs CMTI and ±12.8kV surge rating - maintains data integrity in high-dV/dt inverter switching environments |
| Flexible Power Architecture | Independent 1.71V–5.5V supplies on both sides - eliminates external level translators in mixed-voltage systems |
| Default-High Outputs | /F suffix indicates default-high behavior during undervoltage - ensures fail-safe state in power-loss scenarios |
Applications
| Battery Management System (BMS) | Automotive Inverter Control |
|---|---|
Use Scenario: Isolating cell voltage monitoring and balancing signals between high-voltage battery stack and low-voltage MCU. IC Role / Device Role / Timing Role: Six-channel galvanic isolator transferring analog-to-digital converter results and command signals across 400–800V potential differences. Use Value: Enables precise, noise-immune sampling at 200Mbps while meeting reinforced isolation requirements for ASIL-D compliance. | Use Scenario: Transmitting PWM gate-drive commands and fault feedback between inverter controller and IGBT/SiC driver stages. IC Role / Device Role / Timing Role: Forward-path isolator for 5 control signals (e.g., EN, PWM1–4) and reverse-path for DESAT/FAULT status. Use Value: 7ns propagation delay ensures tight timing alignment; 50kV/μs CMTI prevents false triggering during 10kV/μs switching transients. |
| Isolated SPI Interface | Industrial PLC Digital I/O |
Use Scenario: Isolating SPI bus between host processor and isolated ADC/DAC or sensor interface ICs in factory automation. IC Role / Device Role / Timing Role: Five forward channels carry SCLK, MOSI, CS, and two auxiliary lines; one reverse channel carries MISO. Use Value: Supports full-duplex SPI at >50MHz clock rates with deterministic timing and no added jitter from isolation barrier. | Use Scenario: Providing isolated digital input/output for field-side sensors and actuators in hazardous industrial zones. IC Role / Device Role / Timing Role: Five forward channels drive isolated outputs (e.g., relay controls); one reverse channel reads isolated inputs (e.g., limit switches). Use Value: 1.71V–5.5V dual-supply flexibility allows direct connection to 24V field buses and 3.3V logic controllers without level-shifting components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar six-channel digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SI8661ED-B-IS | 25Mbps max data rate; 3.75kVRMS isolation; different pinout (SOIC-16 but non-compatible mapping) | Suitable for cost-sensitive industrial I/O where speed < 50Mbps suffices | Select when lower bandwidth and reduced isolation voltage are acceptable trade-offs for supply-chain availability |
| ISO6761FRDWR | 6-channel, 50Mbps, 5000VRMS; uses capacitive isolation but lacks AEC-Q100 qualification | Applicable in non-automotive industrial systems requiring UL/cUL certification only | Choose for general-purpose isolation where automotive qualification and 200Mbps performance are not required |
Compared with SI8661ED-B-IS and ISO6761FRDWR, the MAX22665FAWE+ delivers 4× higher data rate and AEC-Q100 qualification-making it uniquely suited for next-generation EV battery controllers and high-fidelity motor drives demanding both speed and automotive reliability.
Availability
MAX22665FAWE+ is available at Aetrix Electronics and suitable for battery management systems, automotive inverters, isolated SPI interfaces, and industrial PLC digital I/O requiring stable component supply across extended temperature ranges and safety-certified isolation.
Supply support for MAX22665FAWE+ 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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The MAX22665FAWE+ belongs to the MAX22663–MAX22666 family of reinforced digital isolators, engineered specifically for high-reliability automotive and industrial applications requiring fast, low-power, and safety-certified galvanic isolation.
FAQ
What is the maximum data rate supported by the MAX22665FAWE+?
The MAX22665FAWE+ supports a maximum data rate of 200Mbps, as confirmed in the device's Dynamic Characteristics table for the /F variant. This high-speed capability enables its use in demanding applications such as isolated SPI, CAN FD, and real-time motor control feedback loops where minimal latency is critical. The 200Mbps rating applies across the full 1.71V–5.5V supply range on both sides.
Does the MAX22665FAWE+ have AEC-Q100 qualification?
No, the MAX22665FAWE+ is not AEC-Q100 qualified. Only devices with the /V suffix (e.g., MAX22665FAWE+V) in the MAX22663–MAX22666 family are AEC-Q100 qualified. The MAX22665FAWE+ is a general-purpose variant rated for -40°C to +125°C operation and certified to UL1577 and cUL standards, but lacks formal automotive qualification documentation.
What does the "F" in MAX22665FAWE+ indicate?
The "F" in MAX22665FAWE+ denotes the output default state: default-high. When either VDDA or VDDB falls below the undervoltage-lockout threshold (1.5V–1.66V), all outputs transition to a high state regardless of input conditions. This behavior is defined in Table 2 of the datasheet and distinguishes the /F variant from the /E variant (default-low) and /B or /C variants (also default-high but with 25Mbps speed grade).
Can the MAX22665FAWE+ be used for level translation between different logic voltages?
Yes, the MAX22665FAWE+ supports level translation via independent supply rails: VDDA (1.71V–5.5V) sets Side A logic levels, and VDDB (1.71V–5.5V) sets Side B logic levels. This allows seamless interfacing between, for example, a 1.8V FPGA core and a 3.3V sensor interface, or a 5V microcontroller and a 2.5V ADC-all while maintaining galvanic isolation and signal integrity up to 200Mbps.
What safety certifications does the MAX22665FAWE+ hold?
The MAX22665FAWE+ is certified to UL1577 (5000VRMS isolation) and cUL (CSA Bulletin 5A, 5000VRMS). VDE 0884-11 reinforced insulation certification is pending. These approvals confirm compliance with key international safety standards for reinforced isolation, enabling use in medical, industrial, and consumer equipment where user protection and system reliability are mandated.
MAX22665FAWE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- -
- Type:
- -
- Isolated Power:
- -
- Number of Channels:
- -
- Inputs - Side 1/Side 2:
- -
- Channel Type:
- -
- Voltage - Isolation:
- -
- Common Mode Transient Immunity (Min):
- -
- Data Rate:
- -
- Propagation Delay tpLH / tpHL (Max):
- -
- Pulse Width Distortion (Max):
- -
- Rise / Fall Time (Typ):
- -
- Voltage - Supply:
- -
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX22665FAWE+ FAQ
1.How can I place an order for MAX22665FAWE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX22665FAWE+ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX22665FAWE+ reliable?
The price and inventory of MAX22665FAWE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX22665FAWE+ is usually 5 days.
3.What payment methods are accepted for MAX22665FAWE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX22665FAWE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX22665FAWE+?
MAX22665FAWE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX22665FAWE+ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX22665FAWE+?
For technical support, including MAX22665FAWE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX22665FAWE+ requirements.
6.How does Aetrix verify that MAX22665FAWE+ is sourced from the original manufacturer or authorized distributors?
All MAX22665FAWE+ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX22665FAWE+ meets industry standards.
7.What is the process for return or replacement of MAX22665FAWE+?
All MAX22665FAWE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX22665FAWE+, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX22665FAWE+ part is unused and in its original packaging.
Return procedure for MAX22665FAWE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX22665FAWE+ Tags
-
ISO1212DBQR
Texas Instruments
-
ISO6721BDR
Texas Instruments
-
SI8710AC-B-ISR
Skyworks Solutions Inc.
-
ISO7720FDR
Texas Instruments
-
ISO7721DR
Texas Instruments
-
ISO7721FDR
Texas Instruments
-
SI8710CC-B-ISR
Skyworks Solutions Inc.
-
ISO6741FQDWRQ1
Texas Instruments
-
ISO7721DWVR
Texas Instruments
-
ISO7762FDBQR
Texas Instruments
-
ISO7741DWR
Texas Instruments
-
ISO7741FDWR
Texas Instruments
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