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Analog Devices Inc./Maxim Integrated MAX14436FAWE+
- Part No.:
- MAX14436FAWE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Digital Isolators
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MAX14436FAWE+.pdf
- Description:
- DGTL ISO 5000VRMS 4CH GP 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:244
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Product details
Overview
MAX14436FAWE+ from Maxim Integrated is a four-channel, unidirectional digital galvanic isolator with 200Mbps data rate, 5kVRMS isolation rating (60s), and dual 1.71V–5.5V supplies enabling level translation. It features default-low outputs, active-high enable on both sides, and operates across –40°C to +125°C for industrial SPI isolation and RS-485 interface protection.
For engineers reviewing the MAX14436FAWE+ datasheet, MAX14436FAWE+ pinout, MAX14436FAWE+ application, or MAX14436FAWE+ equivalent, this page delivers verified electrical specs, SOIC-16 pin mapping, CMTI (50kV/μs), VIOWM (848VRMS), and real-world design context for high-speed isolated communication in battery management and medical systems.
Technical Context
The MAX14436FAWE+ implements capacitive isolation using Maxim's proprietary process, supporting bidirectional supply operation (VDDA/VDDB = 1.71V–5.5V) with independent logic-side domains. Its 200Mbps maximum data rate and 5ns minimum pulse width enable high-fidelity SPI clock and data channel isolation without timing degradation.
It delivers 50kV/μs common-mode transient immunity (CMTI) and withstands ±10kV surge (1.2/50μs) between GNDA and GNDB. The device maintains robust signal integrity via low propagation delay skew (<2ns channel-to-channel same-direction) and <2ps RMS clock jitter at 500kHz - critical for synchronous isolated interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 5000VRMS for 60 seconds - meets UL1577 and CSA 5A safety requirements for reinforced insulation in industrial and medical systems |
| Max Data Rate | 200Mbps - supports high-speed SPI, isolated ADC/DAC interfaces, and fast serial bus isolation without bottlenecking |
| CMTI | 50kV/μs typical - ensures reliable operation in noisy motor drives and power converters with rapid ground shifts |
| Supply Range | 1.71V to 5.5V per side - enables direct interfacing between 1.8V microcontrollers and 3.3V/5V peripherals as a level translator |
| Propagation Delay | 4.1–20.3ns (VDD-dependent) - guarantees sub-25ns worst-case latency for time-critical control loops and real-time feedback |
| Output Default State | Default-low - prevents unintended activation of downstream drivers or transceivers during power-up or fault conditions |
| Operating Temp | –40°C to +125°C ambient - qualified for under-hood automotive, industrial PLC, and battery pack monitoring environments |
Pinout & Package
MAX14436FAWE+ is housed in a 16-pin wide-body SOIC package (W16MS+12 outline) with 8mm creepage/clearance and CTI ≥600V (Group I material). The package supports surface-mount assembly and meets JEDEC JESD51-7 thermal testing standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDDA) | Side A Power Supply | 1.71V–5.5V supply for input-side logic; requires local 0.1µF ceramic bypass capacitor |
| 2, 8 (GNDA) | Side A Ground Reference | Return path for VDDA domain; must be isolated from GNDB to maintain galvanic barrier |
| 3 (IN1), 4 (IN2) | Logic Inputs, Side A | Accept CMOS-level signals; VIH = 0.7×VDDA, VIL = 0.8V (for VDDA ≥2.25V) |
| 5 (IN3), 11 (IN4) | Logic Inputs, Side A | Unidirectional inputs mapped to OUT3/OUT4; support 1.71V–5.5V logic thresholds |
| 6 (OUT1), 7 (OUT2) | Logic Outputs, Side B | Default-low CMOS outputs; VOH = VDDB – 0.4V @ 4mA, VOL = 0.4V @ 4mA |
| 9 (GNDB), 10 (VDDB) | Side B Ground & Supply | Isolated power domain for output-side circuitry; VDDB = 1.71V–5.5V, independent of VDDA |
| 12 (OUT3), 13 (OUT4) | Logic Outputs, Side B | Match IN3/IN4 timing; support 200Mbps data transfer with <2ns channel-to-channel skew |
| 14 (ENA), 15 (ENB) | Active-High Enables | Enable/disable output drivers; internal 5µA pullup on ENA/ENB eliminates need for external resistors |
| 16 (OUT1) | Duplicate Output Pin | Redundant OUT1 connection for improved layout routing flexibility and reduced trace inductance |
Key Features
| Feature | Design Value |
|---|---|
| 200Mbps data rate with 5ns min pulse width | Enables isolation of high-speed SPI clocks up to 100MHz without edge distortion or duty-cycle loss |
| 50kV/μs CMTI | Prevents false triggering in motor drive inverters and switch-mode power supplies with fast dV/dt noise |
| 1.71V–5.5V dual-supply operation | Eliminates external level shifters when interfacing 1.8V FPGAs to 5V isolated RS-485 transceivers |
| Default-low output state | Ensures safe power-on reset behavior for isolated gate drivers and enable-controlled power stages |
| UL1577 & CSA 5A certified (5kVRMS) | Meets reinforced insulation requirements for Class I medical devices and industrial functional safety |
| –40°C to +125°C operation | Supports deployment in battery management systems inside EV traction battery packs and under-hood ECUs |
Applications
| Isolated SPI Interface | Industrial Fieldbus Communication |
|---|---|
|
Use Scenario: Isolating SPI bus between MCU and isolated ADC in a high-voltage energy meter. IC Role / Device Role / Timing Role: Four-channel unidirectional isolator separating command/data lines (MOSI, SCLK, MISO, CS) with matched propagation delays. Use Value: Maintains full 200Mbps capability across all channels, preserving SPI timing margins while blocking ground-loop currents above 5kVRMS. |
Use Scenario: Protecting RS-485 transceiver in a factory automation PLC backplane. IC Role / Device Role / Timing Role: Isolating TX/RX and DE/RE control lines between controller and bus transceiver with 50kV/μs CMTI. Use Value: Prevents bus lockup during ESD events and common-mode transients from nearby VFDs, ensuring >99.9% uptime. |
| Battery Management Systems | Medical Patient Monitoring |
|
Use Scenario: Isolating cell voltage measurement ICs from host MCU in an EV battery pack. IC Role / Device Role / Timing Role: Transmitting precision analog monitor data via isolated SPI while maintaining <2ns channel skew. Use Value: Enables synchronized sampling across 100+ cells without timing drift, meeting ISO 26262 ASIL-B timing constraints. |
Use Scenario: Isolating ECG front-end analog signal chain from digital processing unit in bedside monitor. IC Role / Device Role / Timing Role: Galvanically separating patient-connected analog section from mains-referenced digital domain. Use Value: Achieves 5kVRMS reinforced insulation per UL60601-1, eliminating risk of microshock in defibrillation-capable devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADUM2402BRWZ | 25Mbps max data rate; 2.5kVRMS isolation; SOIC-16 package; default-high outputs | Lower speed and isolation rating limit use to legacy RS-485 or slow SPI; not suitable for 100MHz clock isolation | Select only if cost sensitivity outweighs performance needs and system operates below 25Mbps with ≤2.5kVRMS safety margin |
| SI8642ED-B-IS | 200Mbps data rate; 5kVRMS isolation; default-high outputs; 1.71V–5.5V supplies; SOIC-16 | Same speed/isolation but lacks integrated enable pins; requires external logic for tristate control in shared-bus SPI | Choose when enable functionality is unnecessary and board space allows discrete enable circuitry |
Compared with ADUM2402BRWZ and SI8642ED-B-IS, MAX14436FAWE+ uniquely combines 200Mbps speed, 5kVRMS isolation, default-low outputs, and dual active-high enable pins in one SOIC-16 package - making it optimal for high-reliability, high-speed isolated SPI in battery and medical systems where safe power-up behavior and bus sharing are mandatory.
Availability
MAX14436FAWE+ is available at Aetrix Electronics and suitable for industrial fieldbus communication, battery management systems, and medical patient monitoring requiring stable component supply and long-term lifecycle support.
Supply support for MAX14436FAWE+ 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
Maxim Integrated, now part of Analog Devices, designs precision analog, mixed-signal, and high-reliability interface ICs for demanding industrial, automotive, and medical applications.
The MAX14434–MAX14436 family was engineered specifically for high-speed, low-power galvanic isolation in space-constrained, thermally aggressive environments - prioritizing CMTI, data rate, and safety certification over legacy compatibility.
FAQ
What is the maximum data rate supported by MAX14436FAWE+?
The MAX14436FAWE+ supports a maximum data rate of 200Mbps under standard operating conditions (VDDA/VDDB ≥2.25V). At lower supplies (1.71V–1.89V), the guaranteed maximum drops to 150Mbps. This enables high-fidelity isolation of SPI clocks, encoder signals, and fast serial buses without introducing timing bottlenecks in the MAX14436FAWE+ signal path.
Does MAX14436FAWE+ support different supply voltages on each side?
Yes, MAX14436FAWE+ supports independent 1.71V to 5.5V supplies on Side A (VDDA/GNDA) and Side B (VDDB/GNDB). This dual-supply architecture allows the MAX14436FAWE+ to function as a level translator - for example, interfacing a 1.8V FPGA I/O bank to a 3.3V isolated RS-485 transceiver without external logic-level shifters.
What is the default output state of MAX14436FAWE+?
The MAX14436FAWE+ has a default-low output state: when any input is unpowered or open-circuit, the corresponding output assumes a logic-low condition. This fail-safe behavior prevents unintended activation of downstream circuits such as gate drivers or enable-controlled power stages during power sequencing or fault conditions in the MAX14436FAWE+ application.
What safety certifications does MAX14436FAWE+ hold?
MAX14436FAWE+ is certified to UL1577 (File E351759) and CSA Bulletin 5A for 5000VRMS isolation voltage (60s), qualifying it for reinforced insulation in industrial and Class I medical equipment. It also meets IEC 60747-5-5 requirements with VIOWM = 848VRMS and VIOSM = 10kV surge rating - all verified and production-tested per MAX14436FAWE+ datasheet specifications.
How does MAX14436FAWE+ handle common-mode transients?
MAX14436FAWE+ achieves 50kV/μs typical common-mode transient immunity (CMTI), tested with ±1000V transients between GNDA and GNDB. This high CMTI ensures reliable signal transmission in electrically noisy environments - such as motor drives and power converters - where rapid ground potential shifts would otherwise corrupt data in the MAX14436FAWE+ isolation barrier.
MAX14436FAWE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Capacitive Coupling
- Type:
- General Purpose
- Isolated Power:
- No
- Number of Channels:
- 4
- Inputs - Side 1/Side 2:
- 2/2
- Channel Type:
- Unidirectional
- Voltage - Isolation:
- 5000Vrms
- Common Mode Transient Immunity (Min):
- 50kV/µs
- Data Rate:
- 200Mbps
- Propagation Delay tpLH / tpHL (Max):
- 9.2ns, 9.4ns
- Pulse Width Distortion (Max):
- 2ns
- Rise / Fall Time (Typ):
- 1.6ns, 1.4ns (Max)
- Voltage - Supply:
- 1.71V ~ 5.5V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX14436FAWE+ FAQ
1.How can I place an order for MAX14436FAWE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX14436FAWE+ 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 MAX14436FAWE+ reliable?
The price and inventory of MAX14436FAWE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX14436FAWE+ is usually 5 days.
3.What payment methods are accepted for MAX14436FAWE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX14436FAWE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX14436FAWE+?
MAX14436FAWE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX14436FAWE+ 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 MAX14436FAWE+?
For technical support, including MAX14436FAWE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX14436FAWE+ requirements.
6.How does Aetrix verify that MAX14436FAWE+ is sourced from the original manufacturer or authorized distributors?
All MAX14436FAWE+ 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 MAX14436FAWE+ meets industry standards.
7.What is the process for return or replacement of MAX14436FAWE+?
All MAX14436FAWE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX14436FAWE+, 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 MAX14436FAWE+ part is unused and in its original packaging.
Return procedure for MAX14436FAWE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX14436FAWE+ Tags
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