MAX14937AWE+ by Analog Devices

Two Channel, 5kVRMS I2C Isolator


The MAX14937 is a two-channel, 5kVRMS I2C digital isolator utilizing Maxim’s proprietary process technology. For applications requiring 2.75kVRMS of isolation, see the MAX14933 data sheet. The device transfers digital signals between circuits with different power domains at ambient temperatures up to +125°C. The device offers two bidirectional, open-drain channels for applications, such as I2C, that require data to be transmitted in both directions on the same line. To prevent latchup action, the A-side outputs comprise special buffers that regulate the logic-low voltage at 0.9V (max), and the input logic-low threshold is at least 50mV lower than the output logic-low voltage. The B side features conventional buffers that do not regulate logic-low output voltage. The device features independent 2.25V to 5.5V supplies on each side of the isolator. The MAX14937 operates from DC to 1.7MHz and can be used in isolated I2C busses with clock stretching. The MAX14937 is available in a 16-pin, wide-body (10.3mm x 7.5mm) SOIC package, and is rated for operation at ambient temperatures of -40°C to +125°C.

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Prices starting from US$4.32

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Features

Robust Galvanic Isolation of Digital Signals Withstands 5kVRMS for 60s (VISO) Continuously Withstands 848VRMS (VIOWM) 1200VPEAK Repetitive Peak Voltage (VIORM) Withstands ±10kV Surge per IEC 61000-4-5
Withstands 5kVRMS for 60s (VISO)
Continuously Withstands 848VRMS (VIOWM)
1200VPEAK Repetitive Peak Voltage (VIORM)
Withstands ±10kV Surge per IEC 61000-4-5
Interfaces Directly with Most Micros and FPGAs Accepts 2.25V to 5.5V Supplies Bidirectional Data Transfer from DC to 1.7MHz
Accepts 2.25V to 5.5V Supplies
Bidirectional Data Transfer from DC to 1.7MHz
Low Power Consumption 5.3mA per Channel Typical at 1.7MHz
5.3mA per Channel Typical at 1.7MHz

Specifications

# Channels 2
Insulation Rating 5000VRMS
# Bi-directional Channels 2
Bi-directional Data Rate (Mbps) (max) 3.4
Oper. Temp. (°C) -40 to +125
Package/Pins SOIC (W) HYBRID/16
BudgetaryPrice (See Notes) 4.04


MAX14937AWE+ Semiconductors - ICs by Analog Devices

DIGITAL ISOLATOR 2-CH 110NS WSOIC-16

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

No. of Channels 2 Channel
Propagation Delay 110ns
Supply Voltage Min 2.25V
Supply Voltage Max 5.5V
Interface Case Style WSOIC
No. of Pins 16Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

2 channel, each bidirectional, | Analog Devices
DIGITAL ISOLATOR, 2-CH, 110NS, WSOIC-16 | Farnell

Frequently Asked Questions

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Is the MAX14937AWE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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