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ADUM3150 Arkusz danych(PDF) 1 Page - Analog Devices |
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ADUM3150 Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 21 page 3.75 kV, 6-Channel, SPIsolator Digital Isolator for SPI with Delay Clock Data Sheet ADuM3150 FEATURES Supports up to 40 MHz SPI clock speed in delay clock mode Supports up to 17 MHz SPI clock speed in 4-wire mode 4 high speed, low propagation delay, SPI signal isolation channels 2 data channels at 250 kbps Delayed compensation clock line 20-lead SSOP with 5.1 mm creepage High temperature operation: 125°C High common-mode transient immunity: >25 kV/µs Safety and regulatory approvals UL recognition per UL 1577 3750 V rms for 1 minute CSA Component Acceptance Notice 5A VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 565 V peak APPLICATIONS Industrial programmable logic controllers (PLC) Sensor isolation FUNCTIONAL BLOCK DIAGRAM ENCODE CLK DELAY CONTROL BLOCK DECODE DECODE ENCODE ENCODE DECODE ENCODE DECODE VDD1 GND1 MCLK MO MI MSS VIA VOB VDD2 GND2 SCLK SI SO SSS VOA VIB 1 2 3 4 5 6 7 8 20 19 18 17 16 15 14 13 DCLK GND1 NIC GND2 9 10 12 11 ADuM3150 CONTROL BLOCK Figure 1. GENERAL DESCRIPTION The ADuM31501 is a 6-channel SPIsolator™ digital isolator optimized for isolated serial peripheral interfaces (SPIs). Based on the Analog Devices, Inc., iCoupler® chip scale transformer technology, the low propagation delay in the CLK, MO/SI, MI/SO, and SS SPI bus signals supports SPI clock rates of up to 17 MHz. These channels operate with 14 ns propagation delay and 1 ns jitter to optimize timing for SPI. The ADuM3150 isolator also provides two additional independent low data rate isolation channels, one channel in each direction. Data in the slow channels is sampled and serialized for a 250 kbps data rate with 2.5 µs of jitter. The ADuM3150 supports a delay clock output on the master side of the device. This output can be used with an additional clocked port on the master to support 40 MHz clock performance. See the Delay Clock section for more information. Table 1. Related Products Product Description ADuM3151/ADuM3152/ ADuM3153 3.75 kV, multichannel SPI isolator ADuM3154 3.75 kV, multiple slave SPI isolator ADuM4150 5 kV, high speed, clock delayed SPIsolator ADuM4151/ADuM4152/ ADuM4153 5 kV, multichannel SPI isolator ADuM4154 5 kV, multiple slave SPI isolator 1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,262,600; and 7,075,329. Other patents are pending. Rev. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2014–2015 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com |
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