Quad Ch 2.5kV Isolator, 150M

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Product Information

Low-Power Quad-Channel Digital Isolators

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 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.

Symmetry Electronics is an authorized Silicon Labs distributor.


High-speed operation
DC to 150 Mbps
No start-up initialization required
Wide Operating Supply Voltage
2.55.5 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/s
AEC-Q100 qualification
Wide temperature range
40 to 125 C
RoHS-compliant packages
SOIC-16 wide body
SOIC-16 narrow body


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Quad Ch 2.5kV Isolator, 150M
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Quad Ch 2.5kV Isolator, 150M