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Product Highlights

? Ultra-Low Power Consumption

? 9.6μA per Channel at DC with VDD = 3.3V

? 13.2μA per Channel at 100kbps with VDD = 3.3V

? 47.6μA per Channel at 1Mbps with VDD = 3.3V

? Wide Operating Voltage Range from 1.71V to 5.5V

? Reinforced Galvanic Isolation of Digital Signals

? Withstands ±10kV Surge between GNDA and

GNDB with 1.2μs/50μs Waveform

? High CMTI (200kV/μs, min)

? MAX22440-MAX22442 in 16 QSOP Package:

- 3000VRMS Isolation Voltage for 60s (VISO)

- 445VRMS Continuous Working Voltage (VIOWM)

? MAX22840-MAX22842 in 16 Wide SOIC Package:

- 5000VRMS Isolation Voltage for 60s (VISO)

- 848VRMS Continuous Working Voltage (VIOWM)

? MAX22880-MAX22882 in 20 SSOP Package:

- 3750VRMS Isolation Voltage for 60s (VISO)

- 784VRMS Continuous Working Voltage (VIOWM)

? Safety Regulatory Approvals

? UL According to UL1557 (Pending)

? VDE 0884-11 Reinforced Insulation (Pending)

? CSA IEC 62368-1, and IEC 61010-1 (Pending)

? Low Propagation Delay and Low Jitter

? Maximum Data Rate Up to 10Mbps

? Propagation Delay of 43.8ns (typ) at VDD = 3.3V

? Clock Jitter RMS of 35.0ps (typ)

Key Applications

? 4-20mA Loop Process Control

? Compact Micro PLC

? Battery Management

? Parasitically Powered Applications

The MAX22440-MAX22442, MAX22840-MAX22842, and

MAX22880-MAX22882 are a family of 4-channel,

reinforced, ultra-low-power digital galvanic isolators using

Analog Devices proprietary process technology. The

MAX22440-MAX22442 are in a 16-QSOP package with a

withstand voltage rating of 3kVRMS for 60 seconds, the

MAX22840-MAX22842 are in a 16 wide SOIC package

with a withstand voltage rating of 5kVRMS for 60 seconds,

and the MAX22880-MAX22882 are in a 20-SSOP

package with a withstand voltage rating of 3.75kVRMS for

60 seconds. Devices are rated for operation at ambient

temperatures from -40°C to +125°C.

The devices transfer digital signals between circuits with

different power domains, using as little as 77.04μW per

channel at 1Mbps (1.8V supply). The ultra-low-power

feature reduces system dissipation, increases reliability,

and enables compact designs. Devices are available with

a maximum data rate of 10Mbps and with default-high or

default-low outputs. The devices feature low propagation

delay and low clock jitter, which reduces system latency.

Independent 1.71V to 5.5V supplies on each side also

make the devices suitable for use as level translators. All

four channels of the MAX22440/840/880 transfer data in

the same direction. Three out of four channels of the

MAX22441/841/881 transfer data in one direction while

the other one transfers data in the opposite direction. Two

channels of the MAX22442/842/882 transfer data in one

direction and the other two in the opposite direction.