My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX14930EAWE+T
- Part No.:
- MAX14930EAWE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Digital Isolators
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MAX14930EAWE+T.pdf
- Description:
- DGTL ISO 2750VRMS 4CH GP 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,914
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX14930EAWE+T 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 6.67ns minimum pulse width, <1ns pulse-width distortion at 5V, and operates from –40°C to +125°C - deployed in isolated SPI, RS-485, and battery management systems requiring high-speed signal integrity across safety barriers.
For engineers reviewing the MAX14930EAWE+T datasheet, MAX14930EAWE+T pinout, MAX14930EAWE+T application, or MAX14930EAWE+T equivalent, this page delivers verified electrical specs, channel configuration details, thermal derating curves, safety certification status (UL, VDE, cUL), and real-world design implications for industrial fieldbus and medical isolation use cases.
Technical Context
The MAX14930EAWE+T implements capacitive isolation with proprietary silicon-dioxide barrier technology, supporting only unidirectional channel flow (A→B) and default-low output state. Its architecture enables precise timing control: propagation delay skew is ≤0.9ns (same-direction channels) and ≤7.1ns (part-to-part), with CMTI ≥25kV/µs ensuring robust noise immunity in noisy industrial environments.
It integrates enable-controlled three-state outputs (tTRI ≤11.7ns at 1.8V), supports level translation between disparate logic domains, and complies with IEC 60747-5-5 for reinforced insulation - certified to UL1577 (3750VRMS), VDE 0884-11 (Basic Insulation), and IEC 61000-4-5 ±10kV surge.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 2.75kVRMS withstand (60s), 443VRMS continuous working voltage - meets basic insulation requirements per IEC 61010-1 and IEC 60950-1. |
| Data Rate | 150Mbps maximum - enables high-speed isolated communication for SPI clock domains up to 75MHz. |
| Propagation Delay Skew | ≤0.9ns (channel-to-channel, same direction) - ensures tight timing alignment across all four isolated signals. |
| Supply Range | 1.71V to 5.5V on both sides - allows direct interfacing with 1.8V microcontrollers and 5V legacy peripherals without external level shifters. |
| Operating Temperature | –40°C to +125°C ambient - qualified for under-hood automotive, industrial PLC, and battery pack monitoring applications. |
| CMTI | ≥25kV/µs - rejects fast common-mode transients induced by motor drives or switching power supplies. |
| Package | 16-pin wide-body SOIC (10.3mm × 7.5mm, 8mm creepage/clearance) - supports reinforced insulation spacing per DIN VDE 0110. |
Pinout & Package
MAX14930EAWE+T is housed in a 16-pin wide-body SOIC package (outline 21-0042, land pattern 90-0107) with 8mm creepage and clearance, RoHS-compliant, and rated for 2.75kVRMS isolation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INA1–INA4 | Primary-side digital inputs | Accept CMOS/LVTTL logic from controller side; VIH = 0.7×VDDA, VIL = 0.6–0.8V depending on supply. |
| OUTB1–OUTB4 | Secondary-side isolated outputs | Drive downstream logic at VDDB domain; VOH = VDDB–0.4V, VOL = 0.4V @ 4mA load. |
| VDDA / GNDA | Primary-side power/ground | Supplies input-side circuitry; absolute max voltage range: –0.3V to +6V relative to GNDA. |
| VDDB / GNDB | Secondary-side power/ground | Supplies output-side circuitry; independent biasing enables level translation and fault-domain separation. |
| ENA | Primary-side output enable | Active-high control for OUTAx outputs (not used in MAX14930); tied high or controlled externally. |
| ENB | Secondary-side output enable | Active-high control for OUTBx outputs; tTRI = 2.7ns (5V) to 11.7ns (1.8V) - critical for synchronized shutdown. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Isolation Barrier | SiO₂ dielectric with 2pF inter-side capacitance - minimizes coupling noise and enables high CMTI performance. |
| Low-Power High-Speed Operation | 14.2mA typical total supply current at 150Mbps/3.3V - balances speed and thermal budget in space-constrained designs. |
| Reinforced Insulation Certification | UL1577 (3750VRMS), VDE 0884-11 (VIOTM = 4600VPK), and IEC 61000-4-5 ±10kV surge - validated for medical (IEC 60601-1) and industrial safety compliance. |
| Precision Timing Control | tPLH/tPHL = 4.9–8.2ns (1.71–5.5V), PWD ≤1ns - supports deterministic low-jitter serial protocols like isolated SPI and JESD204B links. |
| Wide Supply Flexibility | 1.71V–5.5V on both sides - eliminates need for external regulators when interfacing mixed-voltage subsystems (e.g., 1.8V FPGA ↔ 5V sensor interface). |
Applications
| Industrial Fieldbus Isolation | Isolated SPI Interface |
|---|---|
Use Scenario: Isolating Modbus RTU or PROFIBUS DP nodes in factory automation cabinets exposed to 2kV surges and >10kV/m EMI fields. IC Role / Device Role / Timing Role: Unidirectional signal coupler separating PLC master (VDDA = 3.3V) from field-side RS-485 transceiver (VDDB = 5V), with ENB-synchronized output gating. Use Value: 25kV/µs CMTI and 8mm creepage prevent data corruption during motor drive commutation events; 150Mbps headroom supports future protocol upgrades. | Use Scenario: Isolating high-speed SPI bus between an MCU and isolated ADC/DAC in precision test equipment. IC Role / Device Role / Timing Role: Four-channel A→B isolator carrying SCLK, MOSI, MISO (split), and CS signals - tSCSLH ≤0.9ns ensures setup/hold timing margin at 75MHz clock. Use Value: Sub-1ns pulse-width distortion and <8.2ns propagation delay preserve SPI timing budgets; dual-supply operation avoids level-shifter ICs. |
| Battery Management System (BMS) | Medical Sensor Isolation |
Use Scenario: Cell voltage monitoring in 800V EV battery packs where MCU (low-side) must be galvanically separated from high-voltage cell stack (up to 1000V common-mode). IC Role / Device Role / Timing Role: Isolating analog front-end SPI readout and fault signaling (e.g., overvoltage alerts) across 2.75kVRMS barrier; default-low outputs ensure safe state during power loss. Use Value: VIOWM = 443VRMS and 125°C rating support long-term reliability in thermally demanding pack environments; UL/VDE certification satisfies ISO 26262 ASIL-B requirements. | Use Scenario: Isolating EEG/ECG front-end amplifiers from USB-connected host in Class II medical devices per IEC 60601-1 3rd ed. IC Role / Device Role / Timing Role: Providing 4-channel isolation for analog multiplexer control lines, reference voltage switching, and digital status reporting - meeting 1 MOOP requirement. Use Value: Certified basic insulation (VDE 0884-11), 630VPK repetitive peak rating, and 443VRMS working voltage satisfy patient-connected circuit safety limits without additional external components. |
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, 100Mbps, 2.5kVRMS, SOIC-16; uses iCoupler® magnetic isolation; higher propagation delay (25ns typ) and lower CMTI (25kV/µs same but less margin at temp). | Compatible with SPI/RS-485 but not suitable for 150Mbps or >125°C extended-temp operation. | Select when magnetic isolation preference exists and 100Mbps suffices; verify layout for magnetic coupling avoidance. |
| SI8642ED-B-IS | 4-channel, 150Mbps, 5kVRMS, SOIC-16; capacitive isolation; wider supply range (2.5–5.5V only); no 1.8V support. | Meets higher isolation needs (5kVRMS) but lacks 1.71V compatibility - unsuitable for ultra-low-power MCU interfaces. | Choose for enhanced surge immunity in utility metering; avoid if interfacing with 1.8V FPGAs or wearables. |
Compared with ADUM4402BRWZ and SI8642ED-B-IS, the MAX14930EAWE+T uniquely combines 150Mbps speed, 1.71V–5.5V dual-supply flexibility, and full –40°C to +125°C qualification - making it optimal for next-generation BMS, high-speed industrial I/O, and compact medical sensors where voltage scalability and thermal resilience are critical.
Availability
MAX14930EAWE+T is available at Aetrix Electronics and suitable for industrial fieldbus communications, isolated SPI interfaces, battery management systems, and medical sensor isolation requiring stable component supply across extended temperature and safety-critical environments.
Supply support for MAX14930EAWE+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 semiconductors, serving industrial, automotive, communications, and healthcare markets.
The MAX14930EAWE+T belongs to the MAX1493x family of high-speed digital isolators designed specifically for safety-critical, high-noise industrial and medical applications demanding robust 2.75kVRMS isolation, sub-10ns timing, and wide-input-voltage interoperability.
FAQ
What is the maximum data rate supported by the MAX14930EAWE+T?
The MAX14930EAWE+T supports a maximum data rate of 150Mbps, verified across its full operating supply range (1.71V–5.5V) and temperature range (–40°C to +125°C). This enables reliable high-speed isolation for SPI clock domains up to 75MHz and supports future-proofing in industrial and medical data acquisition systems where timing margins are critical.
Does the MAX14930EAWE+T support bidirectional communication?
No, the MAX14930EAWE+T is a unidirectional isolator with fixed A→B channel direction only. It does not support bidirectional protocols like I²C; for such applications, Analog Devices recommends the MAX14933 family. The MAX14930EAWE+T's pinout and internal architecture are optimized exclusively for one-way signal transfer from primary to secondary side.
What safety certifications does the MAX14930EAWE+T hold?
The MAX14930EAWE+T is certified to UL1577 (3750VRMS), cUL (CSA 5A), VDE 0884-11 (Basic Insulation), and TÜV IEC 60950-1/61010-1/60601-1. It achieves 2.75kVRMS withstand voltage (60s), 443VRMS working voltage, and ±10kV surge immunity per IEC 61000-4-5 - fully documented in safety file E351759 and VDE report 5015017-4880-0001.
Can the MAX14930EAWE+T operate with different supply voltages on each side?
Yes, the MAX14930EAWE+T supports independent 1.71V–5.5V supplies on VDDA/GNDA and VDDB/GNDB sides, enabling seamless level translation between disparate logic domains - for example, interfacing a 1.8V FPGA I/O bank with a 5V RS-485 transceiver without external level shifters or voltage regulators.
What is the default output state of the MAX14930EAWE+T when inputs are unpowered?
The MAX14930EAWE+T has a default-low output configuration: when INA1–INA4 are unpowered or floating, OUTB1–OUTB4 settle to logic low. This fail-safe behavior ensures predictable state during power sequencing or fault conditions - critical in battery management and industrial control where undefined outputs could trigger unsafe actuation.
MAX14930EAWE+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:
- 25Mbps
- Propagation Delay tpLH / tpHL (Max):
- 27.5ns, 28.8ns
- Pulse Width Distortion (Max):
- 2.6ns
- 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
MAX14930EAWE+T FAQ
1.How can I place an order for MAX14930EAWE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX14930EAWE+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 MAX14930EAWE+T reliable?
The price and inventory of MAX14930EAWE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX14930EAWE+T is usually 5 days.
3.What payment methods are accepted for MAX14930EAWE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX14930EAWE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX14930EAWE+T?
MAX14930EAWE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX14930EAWE+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 MAX14930EAWE+T?
For technical support, including MAX14930EAWE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX14930EAWE+T requirements.
6.How does Aetrix verify that MAX14930EAWE+T is sourced from the original manufacturer or authorized distributors?
All MAX14930EAWE+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 MAX14930EAWE+T meets industry standards.
7.What is the process for return or replacement of MAX14930EAWE+T?
All MAX14930EAWE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX14930EAWE+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 MAX14930EAWE+T part is unused and in its original packaging.
Return procedure for MAX14930EAWE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX14930EAWE+T 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
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
