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MAXIM MAX14430CASE+

Manufacturer	MAXIM
Mfr. Part Number	MAX14430CASE+
Electland Part Code	173907
Electland Part Number	NYE_MAX14430CASE+
Category	Digital Isolators
Description	CAN, RS422, RS485, SPI Digital Isolator 3750Vrms 4 Channel 200Mbps 50kV/µs (Typ) CMTI 16-SOIC (0.154", 3.90mm Width)
Datasheet	Download

Product Attributes

Category	Isolators Digital Isolators
Technology	Capacitive Coupling
type	CAN, RS422, RS485, SPI
Isolated Power	No
Number of Channels	4
Inputs - Side 1/Side 2	4/0
Channel Type	Unidirectional
Voltage - Isolation	3750Vrms
Common Mode Transient Immunity (Min)	50kV/µs (Typ)
Data Rate	200Mbps
Propagation Delay tpLH / tpHL (Max)	9.2ns, 9.4ns
Pulse Width Distortion (Max)	2ns
Rise / Fall Time (Typ)	1.6ns, 1.4ns (Max)
Voltage - Supply	1.71V~5.5V;1.71V~5.5V
Operating Temperature	-40℃~+125℃
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package	16-SOIC
Features	Channel direction configurable;Fail-safe output
CMTI(kV/us)	50kV/us
Isolation Voltage(Vrms)	3750
Data Rate(Max)	200Mbps
Propagation Delay(tpd)	6.2ns
Number of Forward Channels	4
Number of Reverse Channels	0
Default Output	High Level
Packaging	SOIC-16
Tariff Active	True
ReachStatus	REACH Unaffected
RohsStatus	ROHS3 Compliant
MoistureSensitivityLevel	3 (168 Hours)
ExportControlClassNumber	EAR99
HtsusCode	8542.39.0090
Weight	0.92g

Introduction

The MAX14430/MAX14431/MAX14432 are fast, low power, 4-channel, digital galvanic isolators using Maxim’s proprietary process technology. These devices transfer digital signals between circuits with different power domains while using as little as 0.58mW per channel at 1Mbps with a 1.8V supply. The MAX14430–MAX14432 have an isolation rating of 3kVRMS (QSOP package) or 3.75kVRMS (narrow SOIC package) for 60 seconds.

The MAX14430–MAX14432 family offers all three possible unidirectional channel configurations to accommodate any 4-channel design, including SPI, RS-232, RS-485, and digital I/O applications. Output enable for the A side of the MAX14431R/S/U/V is active-low, making them ideal for isolating a port on a shared SPI bus since the CS signal can directly enable the MISO signal on the isolator. All other devices in the family have the traditional active-high enable.

Devices are available with a maximum data rate of either 25Mbps or 200Mbps and with outputs that are either default-high or default-low. The default is the state the output assumes when the input is either not powered or is open-circuit. Independent 1.71V to 5.5V supplies on each side of the isolator also make the devices suitable for use as level translators.

The MAX14430–MAX14432 are available either in a 16-pin narrow-body SOIC package with 4mm of creepage and clearance, or in a smaller 16-pin QSOP package with 4mm of creepage and clearance. The SOIC package material has a minimum comparative tracking index (CTI) of 600, which gives it a group I rating in creepage table. The QSOP package material has a minimum CTI of 400, which gives it a group II rating in creepage table. All devices are rated for operation at ambient temperatures of -40°C to +125°C.

Features

Robust Galvanic Isolation for Fast Digital Signals
Up to 200Mbps Data Rate
Continuously Withstands 445VRMS (VIOWM)
Withstands 3.75kVRMS for 60s (VISO) Narrow SOIC Package
Withstands 3kVRMS for 60s (VISO) QSOP Package
Withstands ±10kV Surge between GNDA and GNDB with 1.2/50μs Waveform Narrow SOIC Package
Withstands ±7.5kV Surge between GNDA and GNDB with 1.2/50μs Waveform QSOP Package
High CMTI (50kV/μs, Typical)
Low Power Consumption
1.1mW per Channel at 1Mbps with VDD = 3.3V
3.5mW per Channel at 100Mbps with VDD = 1.8V
Options to Support a Broad Range of Applications
2 Data Rates (25Mbps, 200Mbps)
3 Channel Direction Configurations
2 Output Default States (High/Low)
Two Packages (Narrow SOIC and QSOP)