SI8442 datasheet, PDF - EEWORLD Datasheet

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SI8442: DescriptionLOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR; File Size512KB，39 Pages; ManufacturerETC2

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SI8442 Overview

LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR

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Si8440/41/42/45

O W

- P

O W E R

U A D

- C

H A N N E L

I G I TA L

S O L A T O R

Features



High-speed operation





Up to 2500 V

RMS

isolation

1.4 mA per channel at 1 Mbps



–40 to 125 °C at 150 Mbps



< 4 mA per channel at 100 Mbps



RoHS-compliant packages



High electromagnetic immunity



SOIC-16 wide body



SOIC-16 narrow body



Applications



Industrial automation systems



Hybrid electric vehicles



Isolated switch mode supplies

Safety Regulatory Approvals



UL 1577 recognized



to 2500 V

RMS

for 1 minute

CSA component notice 5A

approval



IEC

60950-1, 61010-1

(reinforced

insulation)

Description

Silicon Lab's family of ultra-low-power digital isolators are CMOS

devices offering substantial data rate, propagation delay, power, size,

reliability, and external BOM advantages when compared to legacy

isolation technologies. The operating parameters of these products

remain stable across wide temperature ranges throughout their

service life. For ease of design, only VDD bypass capacitors are

required.

Data rates up to 150 Mbps are supported, and all devices achieve

worst-case propagation delays of less than 10 ns. All products are

safety certified by UL, CSA, and VDE and support withstand voltages

of up to 2.5 kVrms. These devices are available in 16-pin wide- and

narrow-body SOIC packages.

Rev. 1.6 9/13

Si8440/41/42/45

fo R

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D e

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

60-year life at rated working

No start-up initialization required

voltage

Wide Operating Supply Voltage:



Precise timing (typical)

2.70–5.5 V



<10 ns worst case

Wide Operating Supply Voltage:



1.5 ns pulse width distortion

2.70–5.5V



0.5 ns channel-channel skew



2 ns propagation delay skew

Ultra low power (typical)



6 ns minimum pulse width

5 V Operation:



Transient Immunity 25 kV/µs



< 1.6 mA per channel at 1 Mbps



< 6 mA per channel at 100 Mbps



AEC-Q100 qualified

2.70 V Operation:



Wide temperature range

to 150 Mbps

Isolated ADC, DAC



Motor control



Power inverters



Communications systems

Ordering Information:

See page 27.



VDE certification conformity



IEC

60747-5-2

(VDE0884 Part 2)

Si8440/41/42/45

ABLE

Section

ONTENTS

Page

fo R

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D e

e s nd

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Rev. 1.6

1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.1. Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.2. Eye Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.3. Device Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.4. Layout Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.5. Typical Performance Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3. Errata and Design Migration Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.1. Enable Pin Causes Outputs to Go Low (Revision C Only) . . . . . . . . . . . . . . . . . . . . 25

3.2. Power Supply Bypass Capacitors (Revision C and Revision D) . . . . . . . . . . . . . . . . 25

3.3. Latch Up Immunity (Revision C Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4. Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

5. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6. Package Outline: 16-Pin Wide Body SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

7. Land Pattern: 16-Pin Wide-Body SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

8. Package Outline: 16-Pin Narrow Body SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

9. Land Pattern: 16-Pin Narrow Body SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

10. Top Marking: 16-Pin Wide Body SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

10.1. 16-Pin Wide Body SOIC Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

10.2. Top Marking Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

11. Top Marking: 16-Pin Narrow Body SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

11.1. 16-Pin Narrow Body SOIC Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

11.2. Top Marking Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

SI8442 Related Products

	SI8442	SI8440	SI8441	SI8441AA	SI8445
Description	LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR	LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR	LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR	LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR	LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR

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