optoisolators

ADuM1200

Full part number: ADuM1200AR

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

01 — Overview

This Analog Devices datasheet covers the ADuM1200 and ADuM1201 families of dual-channel digital isolators. The document defines their scope as high-speed isolation components using iCoupler technology to replace traditional optocouplers, offering superior performance for applications like motor drives and RS-485 interfaces. Key parameters include 5V or 3V operation with maximum currents of 1.1mA at low speeds up to 8.2mA at 25Mbps, plus a data rate from DC to 25Mbps. Additional features highlight bidirectional communication, 3ns pulse width distortion, over 25kV/µs common-mode immunity, and UL safety approvals.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current — 500 µA 600 µA
output current -11 mA — 11 mA
supply voltage range 2.7 V — 5.5 V
operating temperature -40 °C — 105 °C
input capacitance — 4 pF — pF
isolation voltage — — 2.5 kV 1 minute duration
propagation delay 50 ns — 150 ns CL = 15 pF, CMOS signal levels
data rate 25 Mbps 50 Mbps —
rise time — 10 ns — CL = 15 pF, CMOS signal levels
cmti 25 GV/s 35 GV/s — VIX = VDD1or VDD2, VCM = 1000 V, transient magnitude = 800 V
output count — 2 —
channel count — 2 —
03 — Alternatives

Closest matches to ADuM1200

ADuM1201ARZ similar cmti, similar data rate, similar input capacitance
Si8612B-SV 12.5× lower propagation delay, 4.0× lower rise time, 1.5× higher data rate
ISO7240C 5.0× lower rise time, 4.5× lower isolation voltage, 4.0× lower data rate
Si8611 12.5× lower propagation delay, 4.0× lower rise time, 2.1× lower isolation voltage
Si8230 4.0× higher quiescent current, 3.3× lower propagation delay, 2.0× higher rise time
ISO7220M 10.0× lower rise time, 4.5× lower isolation voltage, 4.0× higher propagation delay
04 — FAQ

Frequently asked questions

What is the channel count of the ADuM1200AR?

The channel count is 2.

What is the common-mode transient immunity (cmti) of the ADuM1200AR when VIX = VDD1or VDD2, VCM = 1000 V, and transient magnitude = 800 V?

The common-mode transient immunity is 35 GV/s.

What is the maximum data rate of the ADuM1200AR?

The maximum data rate is 50 Mbps.

What is the input capacitance of the ADuM1200AR?

The input capacitance is 4 pF.

What is the isolation voltage rating for the ADuM1200AR?

The isolation voltage is 2.5 kV for a 1 minute duration.

What is the maximum operating temperature for the ADuM1200AR?

The maximum operating temperature is 105 °C.

What is the output count for the ADuM1200AR?

The output count is 2.

What is the output current of the ADuM1200AR?

The output current is 11 mA.

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