Products
CMT8121N1 replaces ADuM121N1BRZ.3.0 kV rms Dual-Channel Digital Isolators

ADuM121N1BRZ
FEATURES

High common-mode transient immunity: 100 kV/µs typical

High robustness to radiated and conducted noise

Low propagation delay

13 ns maximum for 5 V operation

15 ns maximum for 1.8 V operation

150 Mbps minimum data rate

Safety and regulatory approvals

UL recognition: 3000 V rms for 1 minute per UL 1577

CSA Component Acceptance Notice 5A 

VDE certificate of conformity 

DIN VDE V 0884-11:2017-01

VIORM = 565 V peak

CQC certification per GB4943.1-2011

Backward compatibility

ADuM120N0 pin-compatible with ADuM1285

ADuM120N1 pin-compatible with ADuM1280 and 

ADuM1200

ADuM121N0 pin-compatible with ADuM1286

ADuM121N1 pin-compatible with ADuM1281 and 

ADuM1201

Low dynamic power consumption

1.8 V to 5 V level translation

High temperature operation: 125°C

Failsafe high or low options

8-lead, RoHS-compliant, SOIC package

Qualified for automotive applications

CMT8121N1
FEATURES

 Safety-related certifications 

• DIN VDE V 0884-11: 2017-01

• UL 1577 component recognition program

• CSA certification according to IEC 60950-1, IEC 

62368-1, IEC 61010-1 and IEC 60601-1 end 

equipment standards

• CQC approval per GB4943.1-2022

• TUV certification according to EN 60950-1, EN 

62368-1 and EN 61010-1

 Robust electromagnetic compatibility

• System-level ESD, EFT, and surge immunity

• ±8 kV IEC 61000-4-2 contact discharge protection 

across isolation barrier

• Low emissions

 Data rate: up to 150 Mbps

 Wide supply range: 2.5 to 5.5 V

 Operation temperature: -40°C to 125°C

 Robust isolation barrier

• More than 40-year projected lifetime

• Up to 5 kVRMS isolation rating

• Up to 8 kV surge capability

• ±200 kV/μs typical CMTI

 Default output high or low options

 Low power consumption, typical 1.5 mA per channel at 1 

Mbps

 Low propagation delay: 9 ns typical (5V supplies)

 SOIC-16 package (wide body), WB(N) SOW8L and 

SOIC-8 (narrow body)

PIN CONFIGURATION
PIN CONFIGURATION
DATASHEET DOWNLOAD
DATASHEET DOWNLOAD