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Analog Devices Inc./Maxim Integrated MAX14930AAWE+T
- Part No.:
- MAX14930AAWE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Digital Isolators
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MAX14930AAWE+T.pdf
- Description:
- DGTL ISO 2750VRMS 4CH GP 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,682
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Product details
Overview
MAX14930AAWE+T from Analog Devices is a 4-channel, unidirectional digital isolator with 2.75kVRMS galvanic isolation, 1Mbps data rate, and default-low output configuration in a 16-pin wide-body SOIC package (10.3mm × 7.5mm). It operates across ±40°C to +125°C ambient, supports independent 1.71V–5.5V supplies on both sides, and delivers robust common-mode transient immunity of 25kV/µs for industrial fieldbus and isolated SPI/RS-232 interfaces.
For engineers reviewing the MAX14930AAWE+T datasheet, MAX14930AAWE+T pinout, MAX14930AAWE+T application, or MAX14930AAWE+T equivalent, this device is selected for high-reliability multichannel isolation where safety-rated working voltage (443VRMS), low power at 1Mbps (1.2–1.9mA per side), and UL/VDE-certified basic insulation are critical design requirements.
Technical Context
The MAX14930AAWE+T implements capacitive isolation using Maxim's proprietary process, enabling signal transfer between circuits with separate power domains while maintaining reinforced insulation integrity. Its unidirectional channel architecture-two channels A→B and two B→A-supports asymmetric protocols like SPI master/slave or RS-232 transceiver isolation without bidirectional contention.
It features integrated undervoltage lockout (1.45–1.71V threshold) on both sides, input hysteresis (410mV), and guaranteed operation up to +125°C ambient. The device is production-tested at full temperature range and qualified to withstand 2.75kVRMS for 60 seconds per UL1577 and DIN VDE V 0884-11:2017-01 for basic insulation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 2.75kVRMS withstand (60s), 443VRMS continuous working voltage - meets IEC 61010-1 and IEC 60601-1 safety requirements for medical and industrial equipment. |
| Data Rate | 1Mbps maximum - suitable for low-speed control signaling, isolated GPIO, and legacy serial interfaces without timing margin risk. |
| Supply Voltage Range | 1.71V to 5.5V on both sides - enables direct interfacing with 1.8V microcontrollers and 5V legacy peripherals as a level translator. |
| Propagation Delay | 38.2–58.4ns (typical) - ensures deterministic timing for real-time control loops and synchronized sensor acquisition. |
| Common-Mode Transient Immunity | 25kV/µs - suppresses noise coupling in motor drives, PLC backplanes, and high-noise factory environments. |
| Power Consumption | 1.2–1.9mA per side at 500kHz - enables low-power operation in battery-backed or energy-constrained isolated subsystems. |
| Operating Temperature | −40°C to +125°C ambient - certified for under-hood automotive, industrial automation, and downhole instrumentation. |
Pinout & Package
Package: 16-pin wide-body SOIC (10.3mm × 7.5mm), RoHS-compliant, creepage/clearance ≥8mm, thermal resistance θJA = 71°C/W (four-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INA1–INA4 | Input signals on side A | Accept logic-level inputs referenced to GNDA; VIH = 0.7×VDDA, VIL ≤ 0.8V. |
| INB1–INB4 | Input signals on side B | Accept logic-level inputs referenced to GNDB; VIH = 0.7×VDDB, VIL ≤ 0.8V. |
| OUTA1–OUTA4 | Output signals on side A | Drive loads up to 4mA sink/source; VOH ≥ VDDA − 0.4V, VOL ≤ 0.4V. |
| OUTB1–OUTB4 | Output signals on side B | Drive loads up to 4mA sink/source; VOH ≥ VDDB − 0.4V, VOL ≤ 0.4V. |
| VDDA / VDDB | Power supplies for side A and side B | Independent 1.71–5.5V rails enable level shifting and fault containment between domains. |
| GNDA / GNDB | Ground references for side A and side B | Galvanically isolated grounds prevent ground-loop currents and noise injection. |
| ENA / ENB | Enable inputs for side A and side B outputs | Three-state control allows bus sharing; tEN = 5.1–16.3ns enables fast enable/disable sequencing. |
Key Features
| Feature | Design Value |
|---|---|
| UL1577 & VDE 0884-11 certified isolation | Enables compliance with safety-critical standards for industrial and medical systems without external certification overhead. |
| Default-low output state | Ensures known logic state during power-up or input float, eliminating spurious actuation in safety-critical control paths. |
| 443VRMS working voltage rating | Supports long-term reliability in mains-connected equipment operating at 250VAC RMS or higher. |
| 25kV/µs CMTI | Prevents data corruption in high-dv/dt environments such as variable-frequency drives and switch-mode power supplies. |
| 1.71V–5.5V dual-supply flexibility | Eliminates level-shifter ICs when interfacing 1.8V FPGAs with 3.3V/5V sensors or actuators across isolation barrier. |
Applications
| Industrial Fieldbus Isolation | Isolated SPI Interface |
|---|---|
|
Use Scenario: Isolating Modbus RTU or Profibus DP nodes in factory automation cabinets exposed to 48V DC bus noise and ESD events. IC Role / Device Role / Timing Role: Unidirectional 4-channel isolator separating controller-side logic (side A) from field-side transceivers (side B), with ENB enabling dynamic bus arbitration. Use Value: Prevents ground-loop-induced communication errors and protects controller from 10kV surge per IEC 61000-4-5. |
Use Scenario: Isolating an MCU's SPI interface from an isolated ADC or DAC in a precision measurement system. IC Role / Device Role / Timing Role: Two channels isolate MOSI/MISO (A→B and B→A), one isolates SCLK (A→B), one isolates CS (A→B); all operate at ≤1Mbps with <58.4ns propagation delay. Use Value: Maintains signal integrity and timing alignment across isolation barrier while meeting 443VRMS working voltage for Class I medical devices. |
| RS-232 Transceiver Isolation | Battery Management System (BMS) Monitoring |
|
Use Scenario: Adding galvanic isolation to legacy RS-232 ports in test equipment or human-machine interfaces. IC Role / Device Role / Timing Role: Four unidirectional channels isolate TxD/RxD (A→B), RTS/CTS (B→A) with independent enable control per side. Use Value: Enables safe connection to non-isolated PCs or modems while sustaining 2.75kVRMS isolation and 25kV/µs CMTI in noisy lab environments. |
Use Scenario: Isolating cell voltage and temperature monitoring signals from high-voltage battery packs (e.g., 400–800V EV traction batteries). IC Role / Device Role / Timing Role: Transfers analog front-end digitized data (via isolated SPI) and status flags across 443VRMS working voltage barrier; default-low outputs prevent false fault asserts during power sequencing. Use Value: Meets IEC 60601-1 MOOP requirements and prevents high-voltage transients from propagating to low-voltage MCU domain. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX14930AWA+T | Same 2.75kVRMS isolation and 1Mbps rating, but default-high output configuration instead of default-low. | Suitable where active-high reset or enable signals dominate the system logic; requires validation of startup behavior in floating-input scenarios. | Select MAX14930AWA+T only if system-level timing analysis confirms no metastability or unintended assertion during power ramp. |
| ISO6741QDR | Texas Instruments' 4-channel isolator with 5000VRMS VISO, 1Mbps, default-low, but rated only to +105°C ambient and lacks VDE 0884-11 certification. | Applicable in commercial-grade industrial controls where extended temperature and full VDE compliance are not mandated. | Choose ISO6741QDR only for cost-sensitive designs with relaxed safety certification and temperature requirements. |
Compared with MAX14930AAWE+T, MAX14930AWA+T changes only the power-on output state-critical for fail-safe logic-but retains identical isolation, timing, and thermal specs; ISO6741QDR trades VDE certification and +125°C operation for lower cost and higher VISO, limiting use in medical or extended-temperature deployments.
Availability
MAX14930AAWE+T is available at Aetrix Electronics and suitable for industrial fieldbus communications, isolated SPI interfaces, RS-232 transceiver isolation, and battery management system monitoring requiring stable component supply and long-term lifecycle support.
Supply support for MAX14930AAWE+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.
The MAX14930AAWE+T belongs to Analog Devices' MAX1493x family of reinforced digital isolators, engineered specifically for safety-critical industrial automation, medical instrumentation, and energy infrastructure where regulatory compliance and long-term reliability are mandatory.
FAQ
What is the isolation voltage rating of the MAX14930AAWE+T?
The MAX14930AAWE+T is rated for 2.75kVRMS withstand voltage for 60 seconds (VISO), 443VRMS maximum working voltage (VIOWM), and 630VPK repetitive peak voltage (VIORM). These values are certified per UL1577 and DIN VDE V 0884-11:2017-01 for basic insulation, making MAX14930AAWE+T suitable for applications requiring reinforced isolation barriers in industrial and medical equipment.
Does the MAX14930AAWE+T support bidirectional communication?
No, the MAX14930AAWE+T is a unidirectional digital isolator. Its channel configuration is fixed: two channels transmit from side A to side B (INAx → OUTBx), and two channels transmit from side B to side A (INBx → OUTAx). For true bidirectional protocols like I²C, Analog Devices recommends the MAX14933 series instead of MAX14930AAWE+T.
What is the meaning of "AA" in the MAX14930AAWE+T part number?
The "AA" suffix in MAX14930AAWE+T denotes the specific variant: "A" indicates 1Mbps data rate, and the second "A" specifies default-low output state (outputs go low when inputs are unpowered or floating). This distinguishes it from variants like MAX14930ABWE+T (25Mbps, default-low) or MAX14930AWA+T (1Mbps, default-high).
Can the MAX14930AAWE+T operate with different supply voltages on each side?
Yes, the MAX14930AAWE+T supports independent supply rails: VDDA (1.71V–5.5V, referenced to GNDA) and VDDB (1.71V–5.5V, referenced to GNDB). This enables level translation-for example, interfacing a 1.8V FPGA on side A with a 5V RS-232 transceiver on side B-without external level shifters, a key capability confirmed in the MAX14930AAWE+T datasheet.
Is the MAX14930AAWE+T qualified for automotive applications?
The MAX14930AAWE+T is not AEC-Q100 qualified and is specified for industrial temperature range (−40°C to +125°C), not automotive. While its operating temperature range overlaps with some automotive sub-systems, Analog Devices does not certify MAX14930AAWE+T for under-hood or safety-critical ADAS applications. For automotive use, consult Analog Devices' automotive-qualified isolator portfolio instead of MAX14930AAWE+T.
MAX14930AAWE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-SOIC (0.295", 7.50mm 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:
- 4/0
- 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
MAX14930AAWE+T FAQ
1.How can I place an order for MAX14930AAWE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX14930AAWE+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 MAX14930AAWE+T reliable?
The price and inventory of MAX14930AAWE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX14930AAWE+T is usually 5 days.
3.What payment methods are accepted for MAX14930AAWE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX14930AAWE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX14930AAWE+T?
MAX14930AAWE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX14930AAWE+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 MAX14930AAWE+T?
For technical support, including MAX14930AAWE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX14930AAWE+T requirements.
6.How does Aetrix verify that MAX14930AAWE+T is sourced from the original manufacturer or authorized distributors?
All MAX14930AAWE+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 MAX14930AAWE+T meets industry standards.
7.What is the process for return or replacement of MAX14930AAWE+T?
All MAX14930AAWE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX14930AAWE+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 MAX14930AAWE+T part is unused and in its original packaging.
Return procedure for MAX14930AAWE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX14930AAWE+T Tags
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ISO1212DBQR
Texas Instruments
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ISO6721BDR
Texas Instruments
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SI8710AC-B-ISR
Skyworks Solutions Inc.
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ISO7720FDR
Texas Instruments
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ISO7721DR
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ISO7721FDR
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SI8710CC-B-ISR
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ISO6741FQDWRQ1
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ISO7721DWVR
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ISO7762FDBQR
Texas Instruments
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ISO7741DWR
Texas Instruments
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ISO7741FDWR
Texas Instruments
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