SI8442 Silicon Laboratories, SI8442 Datasheet

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SI8442

Manufacturer Part Number
SI8442
Description
(SI8440 - SI8442) QUAD-CHANNEL DIGITAL ISOLATOR
Manufacturer
Silicon Laboratories
Datasheet

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www.DataSheet4U.com
Q
Features
Applications
Safety Regulatory Approvals
Description
Silicon Lab's family of digital isolators are CMOS devices that employ
an RF coupler to transmit digital information across an isolation
barrier. Very high speed operation at low power levels is achieved.
These parts are available in a 16-pin wide body SOIC package. Three
speed grade options (1, 10, 100 Mbps) are available and achieve
typical propagation delay of less than 10 ns.
Block Diagram
Rev. 0.3 4/06
High-speed operation:
DC – 150 Mbps
Low propagation delay:
<10 ns
Wide Operating Supply Voltage:
2.375–5.5 V
Low power: I1 + I2 <
12 mA/channel at 100 Mbps
Precise timing:
2 ns pulse width distortion
1 ns channel-channel matching
2 ns pulse width skew
Isolated switch mode supplies
Isolated ADC, DAC
UL recognition:2500 V
Minute per UL1577
CSA component acceptance
notice #5A
* All Pending
U A D
NC
A3
A4
A2
A1
Si8440
-C
H A N N E L
B1
B2
B3
B4
EN2
EN1
A2
A3
A4
RMS
A1
for 1
Si8441
D
Copyright © 2006 by Silicon Laboratories
I G I TA L
2500 V
Transient Immunity: >25 kV/µs
Tri-state outputs with ENABLE
control
DC correct
No start-up initialization required
<10 µs Startup Time
High temperature operation:
125 °C at 100 Mbps
100 °C at 150 Mbps
Wide body SOIC-16 package
Motor control
Power factor correction systems
VDE certification conformity
EN2
B1
B2
B3
B4
DIN EN 60747-5-2 (VDE0884
Part 2):2003-01
DIN EN60950(VDE0805):
2001-12;EN60950:2000
V
IORM
EN1
A3
A4
A2
A1
RMS
= 560 V
isolation
I
Si8442
S O L A T O R
PEAK
B1
B2
B3
B4
EN2
GND1
GND1
V
EN1
DD1
A1
A2
A4
A3
Wide Body SOIC
Pin Assignments
1
2
3
4
5
6
7
8
S i 8 4 4 0 / 1 / 2
Top View
16
15
14
13
12
11
10
9
GND2
B1
B2
B3
B4
EN2
GND2
V
Si8440/1/2
DD2

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SI8442 Summary of contents

Page 1

... Mbps Wide body SOIC-16 package Motor control Power factor correction systems for 1 VDE certification conformity DIN EN 60747-5-2 (VDE0884 Part 2):2003-01 DIN EN60950(VDE0805): 2001-12;EN60950:2000 V = 560 V IORM PEAK Si8441 Si8442 EN2 EN1 EN2 Copyright © ...

Page 2

Si8440/1/2 www.DataSheet4U.com 2 Rev. 0.3 ...

Page 3

Section 1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . ...

Page 4

... Si8440-B,-C, V DD1 Si8440-B,-C, V DD2 Si8441-B,-C, V DD1 Si8441-B,-C, V DD2 Si8442-B,-C, V DD1 Si8442-B,-C, V DD2 100 Mbps Supply Current (All inputs = 50 MHz square wave all outputs) Si8440-C, V DD1 Si8440-C, V DD2 Si8441-C, V DD1 Si8441-C, V DD2 ...

Page 5

Table 1. Electrical Characteristics (Continued –40 to 125 C°) DD1 DD2 A Parameter Maximum Data Rate Minimum Pulse Width 1 Propagation Delay Pulse Width Distortion ...

Page 6

... Si8440-B,-C, V DD1 Si8440-B,-C, V DD2 Si8441-B,-C, V DD1 Si8441-B,-C, V DD2 Si8442-B,-C, V DD1 Si8442-B,-C, V DD2 100 Mbps Supply Current (All inputs = 50 MHz square wave all outputs) Si8440-C, V DD1 Si8440-C, V DD2 Si8441-C, V DD1 Si8441-C, V DD2 ...

Page 7

Table 2. Electrical Characteristics (Continued 3 3 –40 to 125 C°) DD1 DD2 A Parameter Maximum Data Rate Minimum Pulse Width 1 Propagation Delay Pulse Width Distortion ...

Page 8

... Si8440-B,-C, V DD1 Si8440-B,-C, V DD2 Si8441-B,-C, V DD1 Si8441-B,-C, V DD2 Si8442-B,-C, V DD1 Si8442-B,-C, V DD2 100 Mbps Supply Current (All inputs = 50 MHz square wave all outputs) Si8440-C, V DD1 Si8440-C, V DD2 Si8441-C, V DD1 Si8441-C, V DD2 ...

Page 9

Table 3. Electrical Characteristics (Continued 2 2 –40 to 100 C°) DD1 DD2 A Parameter Maximum Data Rate Minimum Pulse Width 1 Propagation Delay Pulse Width Distortion ...

Page 10

Si8440/1/2 Table 4. Recommended Operating Conditions Parameter Ambient Operating Temperature* Supply Voltage *Note: The maximum ambient temperature is dependent on data frequency, output loading, number of operating channels, and supply voltage. Table 5. Absolute Maximum Ratings Parameter Storage Temperature Ambient ...

Page 11

Table 7. Regulatory Information The Si84xx have been approved by the organizations listed below Recognized under 1577 component 1 recognition program Basic insulation, 2500 V RMS isolation voltage File E257455 Notes accordance with UL1577, each Si84xx ...

Page 12

Si8440/1/2 Table 9. DIN EN 60747-5-2 (VDE 0884 Part 2) Insulation Characteristics Description Installation Classification per DIN VDE 0110 For Rated Mains Voltages < 150 V For Rated Mains Voltages < 300 V For Rated Mains Voltages < 400 V ...

Page 13

... Supply Current Figure 7. Si8441 Typical V DD2 vs. Data Rate 5, 3.3, and 2.5 V Operation Figure 8. Si8442 Typical V Current vs. Data Rate 5, 3.3, and 2.5 V Rev. 0.3 Si8440/1/2 5V 3.3V 2. Data Rate (Mbps) Supply Current DD1 ...

Page 14

Si8440/1 Falling Edge 7 6 Rising Edge 5 -40 - Temperature (Degrees C) Figure 9. Propagation Delay vs. Temperature 5 V Operation Falling Edge -40 - ...

Page 15

Application Information 3.1. Theory of Operation The operation of an Si8440 channel is analogous to that of an opto coupler, except an RF carrier is modulated instead of light. This simple architecture provides a robust isolated data path and ...

Page 16

Si8440/1/2 4. Layout Recommendations Dielectric isolation is a set of specifications produced by the safety regulatory agencies from around the world that describes the physical construction of electrical equipment that derives power from a high-voltage power system such as 100–240 ...

Page 17

RF Immunity and Common Mode Transient Immunity The Si8440 family has very high common mode transient immunity while transmitting data. This is typically measured by applying a square pulse with very fast rise/fall times between the isolated grounds. Measurements ...

Page 18

Si8440/1/2 4.5. RF Radiated Emissions The Si8440 family uses a RF carrier frequency of approximately 2.1 GHz. This will result in a small amount of radiated emissions at this frequency and its harmonics. The radiation is not from the IC ...

Page 19

Pin Descriptions Name SOIC-16 Pin# V DD1 GND1 EN1 GND1 GND2 EN2 www.DataSheet4U.com GND2 DD2 DD1 15 2 GND1 14 ...

Page 20

... Si8440-A-IS Si8440-B-IS Si8440-C-IS Si8441-A-IS Si8441-B-IS Si8441-C-IS Si8442-A-IS Si8442-B-IS Si8442-C-IS Note: All packages are Pb-free and RoHS compliant. Moisture sensitivity level is MSL2 with peak reflow temperature of °C 260 according to the JEDEC industry standard classifications, and peak solder temperature. www.DataSheet4U.com 20 Number of Inputs Maximum Data ...

Page 21

Package Outline: Wide Body SOIC Figure 17 illustrates the package details for the Quad-Channel Digital Isolator. Table 14 lists the values for the dimensions shown in the illustration. www.DataSheet4U.com Figure 17. 16-Pin Wide Body SOIC Table 14. Package Diagram ...

Page 22

Si8440/1 OCUMENT HANGE Revision 0.2 to Revision 0.3 Added enable high and low typical current specifications to Tables 1, 2, and 3. Added startup time specifications (with note 5) to Tables 1, 2, and 3. Rewrote paragraph 1 ...

Page 23

N : OTES www.DataSheet4U.com Rev. 0.3 Si8440/1/2 23 ...

Page 24

... Silicon Laboratories products are not designed, intended, or authorized for use in applications intended to support or sustain life, or for any other application in which the failure of the Silicon Laboratories product could create a situation where per- sonal injury or death may occur. Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized ap- plication, Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages ...

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