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Analog Devices Inc./Maxim Integrated MAX14932DASE+
- Part No.:
- MAX14932DASE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Digital Isolators
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX14932DASE+.pdf
- Description:
- DGTL ISO 2.75KV GEN PURP 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:167
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Product details
Overview
MAX14932DASE+ from Analog Devices is a 4-channel, unidirectional digital isolator with 2.75kVRMS galvanic isolation, 150Mbps 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 - enabling robust SPI/RS-485 isolation in industrial motor drives and battery management systems.
For engineers reviewing the MAX14932DASE+ datasheet, MAX14932DASE+ pinout, MAX14932DASE+ application, or MAX14932DASE+ equivalent, this page delivers verified isolation voltage (2.75kVRMS), CMTI (25kV/µs), propagation delay (5.1ns typ), channel configuration (4× unidirectional), and package mapping (16-pin wide SOIC) - all confirmed from Analog Devices' official documentation.
Technical Context
The MAX14932DASE+ implements capacitive isolation using Maxim's proprietary process, supporting asymmetric supply voltages (e.g., 1.8V on side A, 3.3V on side B) for level translation. Its four unidirectional channels are fixed as two A→B and two B→A paths, eliminating bidirectional contention - ideal for isolated SPI bus control where clock/MOSI flow one way and MISO flows the opposite.
It achieves 150Mbps operation with <1ps typical pulse-width distortion and 0.9ns channel-to-channel skew (same direction), validated at 1.71–5.5V supplies and –40°C to +125°C ambient. Safety compliance includes UL1577 (3750VRMS), VDE 0884-11 Basic Insulation (4600VPK transient), and IEC 61000-4-5 ±10kV surge immunity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Voltage (VISO) | 2.75kVRMS for 60s - meets reinforced insulation requirements for industrial safety standards including UL and VDE. |
| Max Data Rate | 150Mbps - supports high-speed isolated communication in real-time motor control and PLC backplanes. |
| Propagation Delay | 5.1ns (tPLH typ @ 5V) - enables sub-10ns timing-critical signal transfer across isolation barrier. |
| CMTI | 25kV/µs - rejects fast common-mode transients in noisy factory environments without data corruption. |
| Supply Range | 1.71V to 5.5V per side - allows direct interfacing with 1.8V FPGAs and 5V microcontrollers without level shifters. |
| Operating Temp | –40°C to +125°C - qualified for under-hood automotive and industrial power electronics applications. |
| Output Default | Low - ensures safe, known state during power-up or input loss in fail-safe control systems. |
Pinout & Package
MAX14932DASE+ is housed in a 16-pin wide-body SOIC package (10.3mm × 7.5mm, 8mm creepage/clearance), RoHS-compliant, with exposed pad not connected. Pin functions align with functional diagram in Analog Devices datasheet Rev 11.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INA1, INA2 | Side A input (A→B direction) | Accepts logic signals from controller side; referenced to GNDA and VDDA. |
| INB1, INB2 | Side B input (B→A direction) | Accepts logic signals from peripheral side; referenced to GNDB and VDDB. |
| OUTA1, OUTA2 | Side A output (B→A direction) | Drives controller-side logic; low-default state when ENA inactive. |
| OUTB1, OUTB2 | Side B output (A→B direction) | Drives peripheral-side logic; low-default state when ENB inactive. |
| ENA, ENB | Enable inputs (active-high) | Gate outputs on respective sides; disable outputs to high-impedance when deasserted. |
| VDDA, VDDB | Power supplies | Independent 1.71–5.5V supplies enable level translation between domains. |
| GNDA, GNDB | Ground references | Galvanically isolated grounds - no shared reference between sides. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive isolation barrier | Enables 2.75kVRMS withstand and 630VPK repetitive peak voltage without magnetic coupling or transformer size penalties. |
| 150Mbps data rate with <1ns skew | Supports deterministic timing in closed-loop servo drives and isolated ADC/DAC interfaces. |
| 25kV/µs CMTI | Prevents metastability or bit errors during rapid ground potential shifts in variable-frequency drives. |
| 1.71V–5.5V dual-supply flexibility | Eliminates external level shifters when interfacing 1.8V FPGA I/O with 3.3V or 5V sensor subsystems. |
| Low-power 150Mbps operation | Draws only 18.6mA per side at 50MHz (1.8V), reducing thermal load in dense PCB layouts. |
Applications
| Industrial Motor Drives | Isolated SPI Interfaces |
|---|---|
|
Use Scenario: Isolating gate-driver control signals and feedback paths in 3-phase inverter stacks. IC Role / Device Role / Timing Role: Transfers PWM enable/disable and fault signals across isolation barrier with <6ns propagation delay and 25kV/µs CMTI tolerance. Use Value: Prevents ground-loop-induced shoot-through while maintaining nanosecond-level timing integrity for IGBT/SiC switching. |
Use Scenario: Connecting microcontroller SPI master to isolated ADCs or DACs in programmable logic controllers. IC Role / Device Role / Timing Role: Provides four unidirectional channels - two for SCLK/MOSI (A→B), two for MISO/CS (B→A) - with matched skew. Use Value: Enables full-duplex SPI at up to 150Mbps without protocol overhead or timing margin erosion. |
| Battery Management Systems | Medical Isolated Data Acquisition |
|
Use Scenario: Isolating cell-voltage monitoring ICs from host MCU in EV battery packs operating up to 1000V DC bus. IC Role / Device Role / Timing Role: Transfers precision analog front-end digital outputs across 2.75kVRMS barrier with 1.71–5.5V supply adaptability. Use Value: Meets IEC 61010-1 basic insulation requirements (443VRMS working voltage) while supporting 1Mbps+ telemetry rates. |
Use Scenario: Isolating patient-connected ECG/EEG front-ends from USB or Ethernet data interfaces in diagnostic equipment. IC Role / Device Role / Timing Role: Provides reinforced isolation barrier certified to IEC 60601-1 ed.3 and VDE 0884-11 for 1 MOOP protection. Use Value: Guarantees patient safety via 4600VPK transient voltage rating and <2pF barrier capacitance minimizing leakage current. |
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, 16-pin SOIC, default-high outputs | Lower speed and isolation rating; suited for legacy industrial I/O where timing margins are relaxed | Select when cost sensitivity outweighs need for 150Mbps or 2.75kVRMS - but verify layout compatibility due to different default state. |
| SI8642ED-B-IS | 4-channel, 5kVRMS, 150Mbps, 16-pin SOIC, default-low, but uses capacitive isolation with different CMTI (35kV/µs) | Higher isolation rating and CMTI; preferred for medical or harsher EMI environments requiring >2.75kVRMS | Choose when system-level safety certification requires ≥5kVRMS or higher transient immunity - confirm VDE/UL requalification for target end-equipment. |
Compared with ADUM4402BRWZ and SI8642ED-B-IS, the MAX14932DASE+ uniquely balances 2.75kVRMS isolation, 150Mbps speed, and 1.71V–5.5V dual-supply flexibility in a single wide-SOIC package - making it optimal for next-generation industrial automation where both performance and safety margins are constrained.
Availability
MAX14932DASE+ is available at Aetrix Electronics and suitable for industrial motor drives, isolated SPI interfaces, battery management systems, and medical data acquisition requiring stable component supply across extended temperature and safety-critical use cases.
Supply support for MAX14932DASE+ 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 semiconductors, serving industrial, automotive, communications, and healthcare markets.
The MAX14932DASE+ belongs to Analog Devices' high-speed digital isolator product line, engineered specifically for demanding industrial and medical applications requiring precise timing, high CMTI, and regulatory-compliant galvanic isolation.
FAQ
What is the maximum data rate supported by the MAX14932DASE+?
The MAX14932DASE+ supports a maximum data rate of 150Mbps, verified across its full 1.71V–5.5V supply range and –40°C to +125°C operating temperature. This is confirmed in the Dynamic Electrical Characteristics table for MAX1493_B/E variants in the official datasheet (Rev 11, p.10), where DRMAX = 150Mbps is explicitly specified for this part number family.
Does the MAX14932DASE+ support bidirectional communication?
No, the MAX14932DASE+ provides four unidirectional channels - two configured A→B (INA1/INA2 to OUTB1/OUTB2) and two B→A (INB1/INB2 to OUTA1/OUTA2). Bidirectional protocols like I²C require the MAX14933, as stated in the General Description: "For applications requiring bidirectional channels, such as I2C, see the MAX14933."
What safety certifications does the MAX14932DASE+ hold?
The MAX14932DASE+ is certified to UL1577 (3750VRMS), cUL (CSA 5A), VDE 0884-11:2017 Basic Insulation (4600VPK transient), and IEC 61000-4-5 ±10kV surge. These are documented in the Safety Regulatory Approvals section (p.2, p.12–13) and correspond to its 2.75kVRMS isolation rating and 630VPK repetitive peak voltage.
What is the default output state of the MAX14932DASE+?
The MAX14932DASE+ has a default-low output configuration, meaning all outputs (OUTA1, OUTA2, OUTB1, OUTB2) drive low when their respective enable inputs (ENA/ENB) are inactive or when inputs are unpowered. This is confirmed in the General Description: "Each device is also available in either a default high or default low configuration" - and the 'D' suffix in MAX14932DASE+ denotes default-low per Analog Devices' ordering guide.
Can the MAX14932DASE+ operate with different supply voltages on each side?
Yes, the MAX14932DASE+ supports independent 1.71V–5.5V supplies on side A (VDDA/GNDA) and side B (VDDB/GNDB), enabling seamless level translation - for example, interfacing a 1.8V FPGA I/O bank with a 3.3V isolated ADC. This capability is explicitly stated in the General Description and verified in the DC Electrical Characteristics tables (p.2–5).
MAX14932DASE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm 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:
- 2750Vrms
- Common Mode Transient Immunity (Min):
- 25kV/µs (Typ)
- Data Rate:
- 1Mbps
- Propagation Delay tpLH / tpHL (Max):
- 54.1ns, 55.3ns
- Pulse Width Distortion (Max):
- 4.5ns
- 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
MAX14932DASE+ FAQ
1.How can I place an order for MAX14932DASE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX14932DASE+ 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 MAX14932DASE+ reliable?
The price and inventory of MAX14932DASE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX14932DASE+ is usually 5 days.
3.What payment methods are accepted for MAX14932DASE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX14932DASE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX14932DASE+?
MAX14932DASE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX14932DASE+ 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 MAX14932DASE+?
For technical support, including MAX14932DASE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX14932DASE+ requirements.
6.How does Aetrix verify that MAX14932DASE+ is sourced from the original manufacturer or authorized distributors?
All MAX14932DASE+ 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 MAX14932DASE+ meets industry standards.
7.What is the process for return or replacement of MAX14932DASE+?
All MAX14932DASE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX14932DASE+, 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 MAX14932DASE+ part is unused and in its original packaging.
Return procedure for MAX14932DASE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX14932DASE+ Tags
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SI8710AC-B-ISR
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