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Silicon Laboratories

Si8645BB-AU Datasheet Preview

Si8645BB-AU Datasheet

Low-Power Quad-Channel Digital Isolators

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Si864x Data Sheet
Low-Power Quad-Channel Digital Isolators
Silicon Lab's family of ultra-low-power digital isolators are CMOS devices offering sub-
stantial data rate, propagation delay, power, size, reliability, and external BOM advan-
tages over legacy isolation technologies. The operating parameters of these products
remain stable across wide temperature ranges and throughout device service life for
ease of design and highly uniform performance. All device versions have Schmitt trigger
inputs for high noise immunity and only require VDD bypass capacitors.
Data rates up to 150 Mbps are supported, and all devices achieve propagation delays of
less than 10 ns. Enable inputs provide a single point control for enabling and disabling
output drive. Ordering options include a choice of isolation ratings (1.0, 2.5, 3.75 and 5
kV) and a selectable fail-safe operating mode to control the default output state during
power loss. All products >1 kV are safety certified by UL, CSA, VDE, and CQC, and
products in wide-body packages support reinforced insulation withstanding up to 5
kVRMS.
Automotive Grade is available for certain part numbers. These products are built using
automotive-specific flows at all steps in the manufacturing process to ensure the robust-
ness and low defectivity required for automotive applications.
Industrial Applications
• Industrial automation systems
• Medical electronics
• Isolated switch mode supplies
• Isolated ADC, DAC
• Motor control
• Power inverters
• Communications systems
Automotive Applications
• On-board chargers
• Battery management systems
• Charging stations
• Traction inverters
• Hybrid Electric Vehicles
• Battery Electric Vehicles
Safety Regulatory Approvals
• UL 1577 recognized
• Up to 5000 VRMS for 1 minute
• CSA component notice 5A approval
• IEC 60950-1, 62368-1, 60601-1 (re-
inforced insulation)
• VDE certification conformity
• Si864xxT options certified to rein-
forced VDE 0884-10
• All other options certified to basic
VDE 0884-10 and reinforced 60950-1
• CQC certification approval
• GB4943.1
KEY FEATURES
• High-speed operation
• DC to 150 Mbps
• No start-up initialization required
• Wide Operating Supply Voltage
• 2.5–5.5 V
• Up to 5000 VRMS isolation
• Reinforced VDE 0884-10, 10 kV surge-
capable (Si864xxT)
• 60-year life at rated working voltage
• High electromagnetic immunity
• Ultra low power (typical)
5 V Operation
• 1.6 mA per channel at 1 Mbps
• 5.5 mA per channel at 100 Mbps
2.5 V Operation
• 1.5 mA per channel at 1 Mbps
• 3.5 mA per channel at 100 Mbps
• Tri-state outputs with ENABLE
• Schmitt trigger inputs
• Selectable fail-safe mode
• Default high or low output (ordering
option)
• Precise timing (typical)
• 10 ns propagation delay
• 1.5 ns pulse width distortion
• 0.5 ns channel-channel skew
• 2 ns propagation delay skew
• 5 ns minimum pulse width
• Transient Immunity 50 kV/µs
• AEC-Q100 qualification
• Wide temperature range
• –40 to 125 °C
• RoHS-compliant packages
• SOIC-16 wide body
• SOIC-16 narrow body
• QSOP-16
• Automotive-grade OPNs available
• AIAG compliant PPAP documentation
support
• IMDS and CAMDS listing support
silabs.com | Building a more connected world.
Rev. 2.15




Silicon Laboratories

Si8645BB-AU Datasheet Preview

Si8645BB-AU Datasheet

Low-Power Quad-Channel Digital Isolators

No Preview Available !

Si864x Data Sheet
Ordering Guide
1. Ordering Guide
Industrial and Automotive Grade OPNs
Industrial-grade devices (part numbers having an “-I” in their suffix) are built using well-controlled, high-quality manufacturing flows to
ensure robustness and reliability. Qualifications are compliant with JEDEC, and defect reduction methodologies are used throughout
definition, design, evaluation, qualification, and mass production steps.
Automotive-grade devices (part numbers having an “-A” in their suffix) are built using automotive-specific flows at all steps in the manu-
facturing process to ensure robustness and low defectivity. These devices are supported with AIAG-compliant Production Part Approval
Process (PPAP) documentation, and feature International Material Data System (IMDS) and China Automotive Material Data System
(CAMDS) listing. Qualifications are compliant with AEC-Q100, and a zero-defect methodology is maintained throughout definition, de-
sign, evaluation, qualification, and mass production steps.
Table 1.1. Ordering Guide for Valid OPNs1, 2, 5
Ordering Part Number
(OPN)
QSOP-16 Packages
Si8640BA-B-IU
Si8640BB-B-IU
Si8640EB-B-IU
Si8641BA-B-IU
Si8641BA-C-IU
Si8641BB-B-IU
Si8641EB-B-IU
Si8642BA-B-IU
Si8642BA-C-IU
Si8642BB-B-IU
Si8642EA-B-IU
Si8642EB-B-IU
Si8645BA-B-IU
Si8645BA-C-IU
Si8645BB-B-IU
SOIC-16 Packages
Si8640BB-B-IS1
Si8640BB-B-IS
Si8640BC-B-IS1
Si8640BD-B-IS2
Si8640BD-B-IS
Si8640EC-B-IS1
Si8640ED-B-IS2
Automotive OPNs6, 7
Number Number
of Inputs of Inputs Max Data
Rate
VDD1
VDD2 (Mbps)
Side
Side
Default
Output
State
Isolation
Rating
(kV)
Package
Si8640BA-AU
Si8640BB-AU
Si8640EB-AU
Si8641BA-AU
Si8641BA-AU
Si8641BB-AU
Si8641EB-AU
Si8642BA-AU
Si8642BA-AU
Si8642BB-AU
Si8642EA-AU
Si8642EB-AU
Si8645BA-AU
Si8645BA-AU
Si8645BB-AU
4
0 150 Low 1.0
QSOP-16
4
0 150 Low 2.5
QSOP-16
4
0
150 High
2.5
QSOP-16
3
1 150 Low 1.0
QSOP-16
3
1 150 Low 1.0
QSOP-16
3
1 150 Low 2.5
QSOP-16
3
1
150 High
2.5
QSOP-16
2
2 150 Low 1.0
QSOP-16
2
2 150 Low 1.0
QSOP-16
2
2 150 Low 2.5
QSOP-16
2
2
150 High
1.0
QSOP-16
2
2
150 High
2.5
QSOP-16
4
0 150 Low 1.0
QSOP-16
4
0 150 Low 1.0
QSOP-16
4
0 150 Low 2.5
QSOP-16
Si8640BB-AS1
Si8640BB-AS
Si8640BC-AS1
Si8640BD-AS2
Si8640BD-AS
Si8640EC-AS1
Si8640ED-AS2
4 0 150 Low 2.5 NB SOIC-16
4 0 150 Low 2.5 WB SOIC-16
4 0 150 Low 3.75 NB SOIC-16
4
0
150
Low
5.0
WB SOIC-16
(8 mm creepage)4
4 0 150 Low 5.0 WB SOIC-16
4
0
150
High
3.75
NB SOIC-16
4
0
150
High
5.0
WB SOIC-16
(8 mm creepage)4
silabs.com | Building a more connected world.
Rev. 2.15 | 2


Part Number Si8645BB-AU
Description Low-Power Quad-Channel Digital Isolators
Maker Silicon Laboratories
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Si8645BB-AU Datasheet PDF






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