optoisolators

Si8612B

Full part number: Si8612B-SV

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This Silicon Labs datasheet covers the Si861x and Si862x family of ultra-low-power, single and dual-channel digital isolators. The document details specifications for industrial and automotive-grade parts with up to 5kV isolation. Key performance parameters include data rates up to 150 Mbps, propagation delays under 10 ns, and supply voltages from 2.5V to 5.5V. These devices feature Schmitt trigger inputs, selectable fail-safe modes, and reinforced insulation options meeting VDE standards. Applications range from medical electronics and motor control to EV charging stations and isolated power supplies.

02 — Key specifications

Datasheet parameters

Parameter	Min	Typ	Max	Conditions
output voltage	-500 mV	—	—
output current	—	10 mA	—
supply voltage range	2.5 V	—	5.5 V
operating temperature	-40 °C	—	125 °C
power dissipation	—	150 mW	—
isolation voltage	—	2.5 kV	—
propagation delay	5 ns	8 ns	13 ns	SeeFigure 4.1 Propagation Delay Timing on page 15
data rate	0 bps	—	150 Mbps
rise time	—	2.5 ns	4 ns	CL = 15 pFSeeFigure 4.1 Propagation Delay Timing on page 15
fall time	—	2.5 ns	4 ns	CL = 15 pFSeeFigure 4.1 Propagation Delay Timing on page 15
output voltage high	—	4.8 V	—	Ioh = -4 mA
output voltage low	—	200 mV	400 mV	Iol = 4 mA
cmti	50 GV/s	—	—	35
output count	—	1	—
channel count	—	1	—

03 — Alternatives

Closest matches to Si8612B

Si8611 2.1× lower isolation voltage, similar cmti, similar data rate

ADuM1200AR 12.5× higher propagation delay, 4.0× higher rise time, 1.5× lower data rate

ADuM1201ARZ 12.5× higher propagation delay, 4.0× higher rise time, 1.5× lower data rate

ISO7220M 4.5× lower isolation voltage, 2.6× higher power dissipation, 2.5× lower fall time

ISO7240C 8.0× lower propagation delay, 6.0× lower data rate, 4.5× lower isolation voltage

Si8230 8.0× higher rise time, 4.0× higher output voltage, 3.8× higher propagation delay

04 — FAQ

Frequently asked questions

What is the channel count of the Si8612B-SV?

The channel count is 1.

What is the common-mode transient immunity (cmti) of the Si8612B-SV at 35?

The common-mode transient immunity (cmti) is 50 GV/s at 35.

What is the data rate of the Si8612B-SV?

The data rate is 150 Mbps.

What is the fall time of the Si8612B-SV when CL = 15 pF?

The fall time is 2.5 ns.

What is the isolation voltage of the Si8612B-SV?

The isolation voltage is 2.5 kV.

What is the maximum operating temperature for the Si8612B-SV?

The operating temperature is 125 °C.

What is the output count for the Si8612B-SV?

The output count is 1.

What is the output current of the Si8612B-SV?

The output current is 10 mA.

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