adm483e Analog Devices, Inc., adm483e Datasheet
adm483e
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adm483e Summary of contents
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... Analog Devices ESD Protected, EMC Compliant Slew Rate Limited, EIA RS-485 Transceiver FUNCTIONAL BLOCK DIAGRAM The input impedance on the ADM483E allowing transceivers on the bus. The ADM483E operates from a single +5 V ply. Excessive power dissipation caused by bus contention or by output shorting is prevented by a thermal shutdown circuit ...
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... Logic Enable Input Current (RE) CMOS Output Voltage Low CMOS Output Voltage High Short Circuit Output Current Three-State Output Leakage Current POWER SUPPLY CURRENT I (ADM483E) CC Supply Current in Shutdown ESD/EFT IMMUNITY ESD Protection EFT Protection EMI Immunity Specifications subject to change without notice. TIMING SPECIFICATIONS ...
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... Low on DI forces A low and B high while a logic High on DI forces A high and B low. Ground Connection Noninverting Receiver Input A/Driver Output A. Inverting Receiver Input B/Driver Output B. Power Supply 10%. PIN CONFIGURATION ADM483E TOP VIEW (Not to Scale GND ...
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... ADM483E Test Circuits V OD Figure 1. Driver Voltage Measurement Test Circuit 375 V 60 OD3 375 Figure 2. Driver Voltage Measurement Test Circuit 2 Switching Characteristics 3V 1.5V T PLH 0V B 1/2VO SKEW VO 90% POINT 0V 10% POINT – Figure 6. Driver Propagation Delay, Rise/Fall Timing 0V A–B ...
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... OUTPUT VOLTAGE – Volts Figure 13. Driver Output Low Voltage vs. Output Current T 100 4.5 Figure 16. ADM483E Driving 4000 ft. of Cable LIMIT 0.3 0 200 LOG FREQUENCY (0.15–30) – MHz Figure 19. Conducted Emissions 2.0 2.5 3 LIMIT ...
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... The input impedance on the ADM483E allowing transceivers on the differential bus. The ADM483E operates from a single +5 V supply ...
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... RL DL Figure 22. Human Body Model ESD Current Waveform Table IV. ADM483E ESD Test Results ESD Test Method I-O Pins Human Body Model: Air 15 kV Human Body Model: Contact 8 kV FAST TRANSIENT BURST IMMUNITY (IEC1000-4-4) IEC1000-4-4 (previously 801-4) covers electrical fast-transient/ burst (EFT) immunity ...
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... Table VI. Level Field Strength V EMI EMISSIONS The ADM483E contains internal slew rate limiting in order to minimize the level of electromagnetic interference generated. Figure 25 shows an FFT plot when transmitting a 150 kHz data stream. 100 90 10dB/DIV 500kHz/DIV Figure 25. Driver Output Waveform and FFT Plot Trans- ...
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... A typical application showing a multipoint transmission network is illustrated in Figure 30. An RS-485 transmission line can have as many as 32 transceivers on the bus. Only one driver can transmit at a particular time, but multiple receivers may be enabled simultaneously. D LIMIT R 200 –9– ADM483E Figure 30. Typical RS-485 Network D R ...
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... ADM483E OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead SOIC (SO-8) 0.1968 (5.00) 0.1890 (4.80 0.1574 (4.00) 0.2440 (6.20 0.1497 (3.80) 0.2284 (5.80) PIN 1 0.0688 (1.75) 0.0098 (0.25) 0.0532 (1.35) 0.0040 (0.10) 8 0.0500 0.0192 (0.49) 0 SEATING 0.0098 (0.25) (1.27) 0.0138 (0.35) PLANE BSC 0.0075 (0.19) 8-Pin Plastic DIP (N-8) 0.430 (10.92) 0.348 (8.84 0.280 (7.11) 0.240 (6.10 0.325 (8.25) 0.300 (7.62) ...
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