CMT8121 replaces ADuM1201CR . Dual-Channel Digital Isolator (1/1 Channel Directionality)-Products-Dinglian Microelectronics Co. LTDNarrow body, RoHS-compliant, SOIC 8-lead package
Low power operation
5 V operation
1.1 mA per channel maximum at 0 Mbps to 2 Mbps
3.7 mA per channel maximum at 10 Mbps
8.2 mA per channel maximum at 25 Mbps
3 V operation
0.8 mA per channel maximum at 0 Mbps to 2 Mbps
2.2 mA per channel maximum at 10 Mbps
4.8 mA per channel maximum at 25 Mbps
Bidirectional communication
3 V/5 V level translation
High temperature operation: 125°C
High data rate: dc to 25 Mbps (NRZ)
Precise timing characteristics
3 ns maximum pulse width distortion
3 ns maximum channel-to-channel matching
High common-mode transient immunity: >25 kV/μs
Safety and regulatory approvals
UL recognition
2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice 5A
VDE Certificate of Conformity
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12
VIORM = 560 V peak
Qualified for automotive applications
Size-critical multichannel isolation
SPI interface/data converter isolation
RS-232/RS-422/RS-485 transceiver isolation
Digital field bus isolation
Hybrid electric vehicles, battery monitor, and motor drive
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)
