Features and Benefits
- Narrow body, RoHS-compliant, 8-lead SOIC
- High temperature operation: 105°C
- High data rate: dc to 10 Mbps (NRZ)
- Low Power Operation
- 5 V operation
1.1 mA per channel maximum @ 0 Mbps to 2 Mbps
3.7 mA per channel maximum @ 10 Mbps
- 3 V operation
0.8 mA per channel maximum @ 0 Mbps to 2 Mbps
2.2 mA per channel maximum @ 10 Mbps
- 3 V/5 V level translation
- 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
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
The ADuM1210 is a dual-channel, digital isolator based on Analog Devices, Inc. iCoupler® technology. Combining high speed CMOS and monolithic transformer technology, this isolation component provides outstanding performance characteristics superior to alternatives such as optocoupler devices.
By avoiding the use of LEDs and photodiodes, iCoupler devices remove the design difficulties commonly associated with optocouplers. The concerns of the typical optocoupler regarding uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects are eliminated with the simple iCoupler digital interfaces and stable performance characteristics. The need for external drivers and other discrete components is eliminated with iCoupler products. Furthermore, iCoupler devices consume one-tenth to one-sixth the power of optocouplers at comparable signal data rates.
The ADuM1210 isolator provides two independent isolation channels operable with the supply voltage on either side, ranging from 2.7 V to 5.5 V. This provides compatibility with lower voltage systems and enables voltage translation functionality across the isolation barrier. In addition, the ADuM1210 provides low pulse width distortion (<3 ns) and tight channel-to-channel matching (<3 ns). Unlike other optocoupler alternatives, the ADuM1210 isolator has a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions. Furthermore, as an alternative to the ADuM1200 dual-channel digital isolator that defaults to an output high condition, the ADuM1210 outputs default to a logic low state when input power is off.
- Size-critical multichannel isolation
- SPI interface/data converter isolation
- RS-232/RS-422/RS-485 transceiver isolation
- Digital field bus isolation
- Gate drive interface
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
The EVAL-1CH2CHSOICEBZ supports single and dual channel standard data isolators in 8 lead SOIC packages. The evaluation board provides a JEDEC standard 8-lead SOIC_N and SOIC_W pad layout. This supports signal distribution, loopback, and loads referenced to VDDx or GNDx, as well as optimal bypass capacitance. Signal sources can conducted to the board through header pins or through edge-mounted SMA connectors (not supplied with board). Terminal blocks provide for power connections. The board includes 200 mil header positions for compatibility with Tektronix active probes (not supplied with board).
The board follows best printed circuit board (PCB) design practices for 4-layer boards, including a full power and ground plane on each side of the isolation barrier. No other EMI or noise mitigation design features are included on this board. In cases of very high speed operation or when ultralow emissions are required, refer to the AN-1109 application note for additional board layout techniques.
Features & Benefits
- Access to all 2 data channels
- Multiple connection options
- Support for Tektronix active probes
- Provision for cable terminations
- Support for PCB edge-mounted coaxial connectors
- Easy configuration
- Sample iCoupler digital isolator must be ordered separately:
Supported iCoupler Models
ADuM110N0BRZ / ADuM110N1BRZ
ADuM120N0BRZ / ADuM120N1BRZ
ADuM121N0BRZ / ADuM121N1BRZ
ADuM210N0BRIZ / ADuM210N1BRIZ
ADuM225N0BRIZ / ADuM225N1BRIZ
ADuM226N0BRIZ / ADuM226N1BRIZ
ADuM7240ARZ / ADuM7240CRZ
ADuM7241ARZ / ADuM7241CRZ
ADuM1200AR / ADuM1200ARZ
ADuM1200BR / ADuM1200BRZ
ADuM1200CR / ADuM1200CRZ
ADuM1200WSRZ / ADuM1200WTRZ
ADuM1201AR / ADuM1201ARZ
ADuM1201BR / ADuM1201BRZ
ADuM1201CR / ADuM1201CRZ
ADuM3200ARZ / ADuM3200BRZ
ADuM3200CRZ / ADuM3200WARZ
ADuM3200WBRZ / ADuM3200WCRZ
ADuM3201ARZ / ADuM3201BRZ
ADuM3201CRZ / ADuM3201WARZ
ADuM3201WBRZ / ADuM3201WCRZ
ADuM3210ARZ / ADuM3210BRZ
ADuM3210TRZ / ADuM3210WARZ
ADuM3210WBRZ / ADuM3210WCRZ
ADuM3211ARZ / ADuM3211BRZ
ADuM3211WBRZ / ADuM3211WCRZ
ADuM1280ARZ / ADuM1280BRZ
ADuM1280CRZ / ADuM1280WARZ
ADuM1280WBRZ / ADuM1280WCRZ
ADuM1281ARZ / ADuM1281BRZ
ADuM1281CRZ / ADuM1281WARZ
ADuM1281WBRZ / ADuM1281WCRZ
Documentation & Resources
AN-0971: Recommendations for Control of Radiated Emissions with isoPower Devices (Rev. C)2/14/2015
AN-913: Isolating I2C Interfaces (Rev. 0)6/20/2007
AN-727: iCoupler® Isolation in RS-485 Applications (Rev. 0)11/1/2006
AN-740: iCoupler® Isolation in RS-232 Applications (Rev. A)11/1/2006
AN-770: iCoupler® Isolation in CAN Bus Applications (Rev. 0)11/1/2006
AN-793: ESD/Latch-Up Considerations with iCoupler® Isolation Products (Rev. A)11/1/2006
AN-825: Power Supply Considerations in iCoupler® Isolation Products (Rev. 0)11/1/2006
Inside iCoupler® Technology:ADuM347x PWM Controller and Transformer Driver with Quad-Channel Isolators Design Summary12/10/2010
NAppkin Note: Lowering the Power of the ADuM524x12/10/2010
Medical Devices Demand Stringent Isolation Techniques9/28/2006
Isolation in Medical Applications7/1/2005
High Speed Digital Isolators Using Microscale On-Chip Transformers9/1/2003
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.