器件名称:
AD260BND-0
功能描述:
High Speed, Logic Isolator with Power Transformer
文件大小:
164.55KB 共8页
简 介:
a FEATURES IsoLogic Circuit Architecture Isolation Test Voltage: To 3.5 kV rms Five Isolated Logic Lines: Available in Six I/O Configurations Logic Signal Bandwidth: 20 MHz (Min), 40 mbps (NRZ) Isolated Power Transformer: 37 V p-p, 1.5 W Max CMV Transient Immunity: 10 kV/s Min Waveform Edge Transmission Symmetry: 1 ns Field and System Output Enable/Three-State Functions Performance Rated Over –25 C to +85 C UL1950, IEC950, EN60950 Certification, Pending APPLICATIONS PLC/DCS Analog Input and Output Cards Communications Bus Isolation General Data Acquisition Applications IGBT Motor Drive Controls High Speed Digital I/O Ports GENERAL DESCRIPTION High Speed, Logic Isolator with Power Transformer AD260 FUNCTIONAL BLOCK DIAGRAM AD260 F0 18 TR T IS I ST TA A T T E E LATCH LINE 0 D E LATCH 1 S0 F1 19 TR IST AT E LINE 1 D E LATCH 2 S1 F2 20 TR IST AT E LINE 2 D E 3 S2 LATCH F3 21 D E LATCH LINE 3 E AT IST TR 4 S3 F4 22 D E LINE 4 E AT IST TR 5 S4 ENABLEFLD 17 +5Vdc 5Vdc RTN 17V p-p OUT CT OUT 17V p-p OUT +5Vdc 5Vdc RTN DRIVE +5V DRIVE 6 ENABLESYS +5VdcSYS 5V RTNSYS DRVA DRVCT DRVB +5VdcFLD 16 5V RTNFLD 15 PWRAFLD 14 PWRCTFLD 13 PWRBFLD 12 7 8 The AD260 is designed using Analog Devices new IsoLogic circuit architecture to isolate five digital control signals to/ from a microcontroller and its related field I/O components. Six models allow all I/O combinations from five input lines to five output lines, including combinations in between. Every AD260……
