DATA SHEET
www.onsemi.com
High Speed Dual-Channel,
Bi-Directional Ceramic
Digital Isolator
SOIC16 W
CASE 751EN
NCID9211
Description
The NCID9211 is a galvanically isolated full duplex, bi−directional,
high−speed dual−channel digital isolator with output enable. This
device supports isolated communications thereby allowing digital
signals to communicate between systems without conducting ground
loops or hazardous voltages.
It utilizes onsemi’s patented galvanic off−chip capacitor isolation
technology and optimized IC design to achieve high insulation and
high noise immunity, characterized by high common mode rejection
and power supply rejection specifications. The thick ceramic substrate
yields capacitors with ~25 times the thickness of thin film on−chip
capacitors and coreless transformers. The result is a combination of
the electrical performance benefits that digital isolators offer with the
safety reliability of a >0.5 mm insulator barrier similar to what has
historically been offered by optocouplers.
MARKING DIAGRAM
AWLYWW
9211
A
= Assembly Location
WL = Wafer Lot / Assembly Lot
= Year
Y
WW = Work Week
9211 = Specific Device Code
The device is housed in a 16−pin wide body small outline package.
Features
• Off−Chip Capacitive Isolation to Achieve Reliable High Voltage
Insulation
ORDERING INFORMATION
See detailed ordering and shipping information on page 10 of
this data sheet.
♦ DTI (Distance Through Insulation): ≥ 0.5 mm
♦ Maximum Working Insulation Voltage: 2000 V
• Full Duplex, Bi−directional Communication
• 100 KV/ms Minimum Common Mode Rejection
peak
• High Speed:
♦ 50 Mbit/s Data Rate (NRZ)
♦ 25 ns Maximum Propagation Delay
♦ 10 ns Maximum Pulse Width Distortion
• 8 mm Creepage and Clearance Distance to Achieve Reliable High
Voltage Insulation.
• Specifications Guaranteed Over 2.5 V to 5.5 V Supply Voltage and
−40°C to 125°C Extended Temperature Range
• Over Temperature Detection
• Output Enable Function (Primary and Secondary Side)
• NCIV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable (Pending)
• Safety and Regulatory Approvals
♦ UL1577, 5000 V
for 1 Minute
RMS
♦ DIN EN/IEC 60747−17 (Pending)
Typical Applications
• Isolated PWM Control
• Programmable Logic Control
• Isolated Data Acquisition System
• Voltage Level Translator
• Industrial Fieldbus Communications
2
• Microprocessor System Interface (SPI, I C, etc.)
© Semiconductor Components Industries, LLC, 2020
1
Publication Order Number:
NCID9211/D
September, 2021 − Rev. 3
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