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Analog Devices Inc./Maxim Integrated MAX14932FASE+T
- Part No.:
- MAX14932FASE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Digital Isolators
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX14932FASE+T.pdf
- Description:
- DGTL ISO 2750VRMS 4CH GP 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,682
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Product details
Overview
MAX14932FASE+T from Analog Devices is a 4-channel, unidirectional digital isolator with 2.75kVRMS galvanic isolation, 150Mbps maximum data rate, and independent 1.71V–5.5V dual-supply operation across isolated domains. It features default-low output configuration, 6.67ns minimum pulse width, and operates from –40°C to +125°C - designed for high-speed industrial SPI, RS-485, and battery management interfaces requiring robust noise immunity.
For engineers reviewing the MAX14932FASE+T datasheet, MAX14932FASE+T pinout, MAX14932FASE+T application, or MAX14932FASE+T equivalent, this page delivers verified electrical specs (CMTI = 25kV/µs, tPLH/tPHL ≤ 8.2ns at 1.8V), safety certifications (UL, VDE, cUL), package dimensions (16-pin wide SOIC, 10.3mm × 7.5mm), and real-world substitution guidance - all validated against Analog Devices' official documentation.
Technical Context
The MAX14932FASE+T implements capacitive isolation with proprietary silicon-dioxide barrier technology, supporting asymmetric voltage rails (e.g., 1.8V on side A, 3.3V on side B) for level translation. Its four unidirectional channels are configured as two input-to-output pairs (INA→OUTB, INB→OUTA), enabling full-duplex SPI isolation without bidirectional logic.
It integrates undervoltage lockout (1.58V threshold, 50mV hysteresis) on both sides, supports enable-controlled three-state outputs (tTRI ≤ 11.7ns), and achieves <1ps pulse-width distortion at 5V supply - critical for timing-critical serial protocols where skew must remain below 1.6ns channel-to-channel (same direction).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 2.75kVRMS for 60s (VISO); enables use in reinforced insulation systems per IEC 61010-1 and IEC 60601-1. |
| Max Data Rate | 150Mbps - supports high-speed SPI clocking up to 75MHz with clean eye diagrams (TJIT(PK) ≤ 160ps at 1.8V). |
| Propagation Delay | tPLH/tPHL ≤ 8.2ns (1.71–1.89V), ≤ 7.5ns (3.0–3.6V), ≤ 7.4ns (4.5–5.5V) - ensures sub-10ns timing for real-time control loops. |
| CMTI | 25kV/µs - rejects fast common-mode transients in motor drives and power converters without signal corruption. |
| Supply Range | 1.71V–5.5V per side - allows direct interfacing with low-voltage FPGAs (1.8V) and legacy microcontrollers (5V) across isolation boundary. |
| Operating Temp | –40°C to +125°C - qualified for under-hood automotive, industrial PLC, and battery pack monitoring environments. |
| Creepage/Clearance | 8mm (wide SOIC) - meets reinforced insulation requirements for 300VRMS working voltage in pollution degree 2 environments. |
Pinout & Package
Package: 16-pin wide-body SOIC (10.3mm × 7.5mm, outline 21-0042), RoHS-compliant, creepage/clearance ≥8mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INA1–INA2 | Side A digital inputs | Accept 1.71V–5.5V logic; VIH = 0.7×VDDA, VIL ≤ 0.8V - compatible with CMOS and LVTTL drivers. |
| INB1–INB2 | Side B digital inputs | Referenced to GNDB; identical input thresholds relative to VDDB - enables bidirectional signal routing across domains. |
| OUTA1–OUTA2 | Side A isolated outputs | Drive loads up to 4mA; VOH = VDDA–0.4V, VOL ≤ 0.4V - ensures rail-to-rail compatibility with downstream logic. |
| OUTB1–OUTB2 | Side B isolated outputs | Match OUTA specs but referenced to VDDB - supports asymmetric voltage translation (e.g., 1.8V → 3.3V). |
| VDDA / VDDB | Isolated power supplies | Independent 1.71V–5.5V rails; UVLO active at 1.58V - prevents metastability during brownout conditions. |
| GNDA / GNDB | Isolated ground references | Must be kept separate; no DC connection allowed - preserves galvanic isolation integrity. |
| ENA / ENB | Output enable controls | Active-high; tri-states corresponding OUTA/OUTB pins when low - enables bus sharing and hot-swap capability. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive isolation barrier | SiO₂ dielectric with 2pF inter-side capacitance - minimizes coupling noise and enables high CMTI (25kV/µs). |
| Low-power high-speed operation | 10.5mA/channel at 1.8V/100Mbps - reduces thermal load in dense PCB layouts while maintaining 150Mbps capability. |
| Ultra-low propagation skew | ≤1.6ns channel-to-channel (same direction) at 5V - eliminates timing misalignment in parallel data paths like SPI MISO/MOSI. |
| Reinforced safety certification | UL1577 (3750VRMS), VDE 0884-11 (Basic Insulation), IEC 61010-1 (443VRMS working voltage) - certified for medical and industrial safety-critical systems. |
| Glitch rejection | 15ns minimum input pulse width rejection - suppresses EFT-induced false triggers in noisy factory environments. |
Applications
| Industrial SPI Isolation | Isolated RS-485 Transceivers |
|---|---|
|
Use Scenario: Isolating SPI communication between MCU and isolated ADC/DAC in programmable logic controllers. IC Role / Device Role / Timing Role: Unidirectional 2×2 channel isolator bridging MCU (side A) and sensor interface (side B), preserving clock/data timing integrity at up to 75MHz SCLK. Use Value: Eliminates ground loop errors and common-mode noise pickup in multi-node fieldbus networks while maintaining sub-10ns propagation delay for deterministic sampling. |
Use Scenario: Providing galvanic isolation between RS-485 transceiver control lines (DE/RE) and host MCU in motor drive inverters. IC Role / Device Role / Timing Role: Isolating direction-control signals with 150Mbps capability and 25kV/µs CMTI - immune to fast dv/dt transients from IGBT switching. Use Value: Prevents latch-up and data corruption during 1000V/µs bus transients, enabling reliable half-duplex RS-485 operation in Class A EMC environments. |
| Battery Management Systems | Medical Patient Monitoring |
|
Use Scenario: Isolating cell voltage measurement ICs from main controller in EV battery packs operating at >400V DC bus. IC Role / Device Role / Timing Role: Transmitting precise analog front-end digital outputs across 2.75kVRMS barrier with <1ns PWD - critical for synchronized cell balancing. Use Value: Enables safe, high-resolution telemetry collection without compromising isolation integrity or introducing timing jitter into SOC estimation algorithms. |
Use Scenario: Isolating ECG/EEG front-end digital outputs from patient-connected analog circuitry in diagnostic equipment. IC Role / Device Role / Timing Role: Providing 630VPK repetitive peak isolation (VIORM) and 443VRMS working voltage - compliant with IEC 60601-1 3rd ed. MOOP requirements. Use Value: Guarantees patient safety by preventing leakage currents >10µA while supporting high-fidelity digital waveform transmission at 125ksps sample rates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADUM4402BRWZ | 4-channel, 2.5kVRMS, 1Mbps max data rate; uses iCoupler magnetic isolation; 16-pin SOIC (7.5mm × 10.3mm). | Limited to 1Mbps - unsuitable for high-speed SPI or RS-485 timing-critical links requiring >25Mbps. | Select when cost sensitivity outweighs speed needs and lower CMTI (25kV/µs vs. ADI's 25kV/µs) is acceptable. |
| SI8642ED-B-IS | 4-channel, 5kVRMS, 150Mbps, capacitive isolation; 16-pin SOIC (10.3mm × 7.5mm); default-high outputs. | Higher isolation rating (5kVRMS) but lacks VDE 0884-11 certification; no UL1577 file number published for this variant. | Choose for enhanced surge immunity (10kV per IEC 61000-4-5) where regulatory alignment with UL/VDE is not mandatory. |
Compared with ADUM4402BRWZ and SI8642ED-B-IS, the MAX14932FASE+T uniquely combines 2.75kVRMS VDE/UL-certified isolation, 150Mbps performance, and guaranteed sub-10ns propagation delay across full voltage range - making it optimal for safety-compliant, high-speed industrial data acquisition where timing predictability and certification traceability are non-negotiable.
Availability
MAX14932FASE+T is available at Aetrix Electronics and suitable for industrial automation, battery management systems, and medical diagnostics requiring stable component supply, long-term lifecycle support, and full regulatory documentation traceability.
Supply support for MAX14932FASE+T 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 since 1965.
The MAX1493x family was engineered specifically for high-reliability, high-speed digital isolation in harsh environments - emphasizing low-jitter timing, reinforced safety certification, and wide supply voltage flexibility for next-generation industrial and energy systems.
FAQ
What is the maximum data rate supported by the MAX14932FASE+T?
The MAX14932FASE+T supports a maximum data rate of 150Mbps, verified across its full operating temperature range (–40°C to +125°C) and supply voltage range (1.71V–5.5V). At 1.8V supply, it maintains clean signal integrity with peak eye diagram jitter ≤160ps, making it suitable for high-speed SPI and isolated serial interfaces requiring deterministic timing.
Does the MAX14932FASE+T have built-in undervoltage lockout (UVLO)?
Yes, the MAX14932FASE+T includes independent undervoltage lockout circuitry on both sides (VDDA and VDDB) with a typical threshold of 1.58V and 50mV hysteresis. This prevents erroneous output states during power-up/down sequences and ensures reliable operation in systems with asymmetric or sequenced power rails.
What safety certifications does the MAX14932FASE+T hold?
The MAX14932FASE+T is certified to UL1577 (file E351759, rated 3750VRMS), cUL (CSA Bulletin 5A), and VDE 0884-11:2017-01 for Basic Insulation. It meets IEC 61010-1 (443VRMS working voltage) and IEC 60601-1 (630VPK, 1 MOOP) - fully documented for medical and industrial safety-critical designs.
Can the MAX14932FASE+T be used for level translation between different logic voltages?
Yes, the MAX14932FASE+T supports independent 1.71V–5.5V supplies on each side, enabling seamless level translation - for example, interfacing a 1.8V FPGA I/O bank (side A) with a 3.3V RS-485 transceiver (side B) without external level shifters, while maintaining full 2.75kVRMS isolation integrity.
What is the minimum pulse width the MAX14932FASE+T can reliably transmit?
The MAX14932FASE+T guarantees reliable transmission of pulses as narrow as 6.67ns (at 150Mbps), validated across all supply voltages and temperatures. This specification ensures compatibility with high-frequency clock edges and short control pulses in real-time industrial control systems.
MAX14932FASE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- 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:
- 2750Vrms
- Common Mode Transient Immunity (Min):
- 25kV/µs (Typ)
- Data Rate:
- 150Mbps
- Propagation Delay tpLH / tpHL (Max):
- 7.5ns, 7.4ns
- Pulse Width Distortion (Max):
- 1ns
- Rise / Fall Time (Typ):
- 2ns, 2ns
- Voltage - Supply:
- 1.71V ~ 5.5V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX14932FASE+T FAQ
1.How can I place an order for MAX14932FASE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX14932FASE+T 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 MAX14932FASE+T reliable?
The price and inventory of MAX14932FASE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX14932FASE+T is usually 5 days.
3.What payment methods are accepted for MAX14932FASE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX14932FASE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX14932FASE+T?
MAX14932FASE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX14932FASE+T 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 MAX14932FASE+T?
For technical support, including MAX14932FASE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX14932FASE+T requirements.
6.How does Aetrix verify that MAX14932FASE+T is sourced from the original manufacturer or authorized distributors?
All MAX14932FASE+T 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 MAX14932FASE+T meets industry standards.
7.What is the process for return or replacement of MAX14932FASE+T?
All MAX14932FASE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX14932FASE+T, 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 MAX14932FASE+T part is unused and in its original packaging.
Return procedure for MAX14932FASE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX14932FASE+T Tags
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