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ADuM4150

Analog Devices
Part Number ADuM4150
Manufacturer Analog Devices
Description SPIsolator Digital Isolator
Published Oct 4, 2016
Detailed Description Data Sheet 5 kV, 6-Channel, SPIsolator Digital Isolator for SPI with Delay Clock ADuM4150 FEATURES Supports up to 40 M...
Datasheet PDF File ADuM4150 PDF File

ADuM4150
ADuM4150

Overview
Data Sheet 5 kV, 6-Channel, SPIsolator Digital Isolator for SPI with Delay Clock ADuM4150 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 SOIC_IC with 8.
3 mm creepage High temperature operation: 125°C High common-mode transient immunity: >25 kV/µs Safety and regulatory approvals UL recognition per UL 1577 5000 V rms for 1 minute SOIC long package CSA Component Acceptance Notice 5A VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 849 V peak APPLICATIONS Industrial programmable logic controllers (PLC) Sensor isolation GENERAL DESCRIPTION The ADuM41501 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 13 ns propagation delay and 1 ns jitter to optimize timing for SPI.
The ADuM4150 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 ADuM4150 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.
FUNCTIONAL BLOCK DIAGRAM VDD1 1 GND1 2 MCLK 3 MO 4 MI 5 MSS 6 ADuM4150 ENCODE ENCODE DECODE ENCODE VIA 7 VOB 8 DCLK 9 GND1 10 CONTROL BLOCK CLK DELAY DECODE DECODE ENCODE DECODE CONTROL BLOCK Figure 1.
20 VDD2 19 GND2 18 SCLK 17 SI 16 SO 15 SSS 14 VOA 13 VIB 12 NIC 11 GND2 12371-001 Table 1.
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