ADM3493ARZ Analog Devices Inc, ADM3493ARZ Datasheet
ADM3493ARZ
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ADM3493ARZ Summary of contents
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FEATURES Operates with 3.3 V supply Interoperable with 5 V logic EIA RS-422 and RS-485 compliant over full CM range Data rate: 250 kbps Half duplex transceiver Reduced slew rates for low EMI 2 nA supply current in shutdown mode ...
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ADM3493 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Specifications .................................................................. 4 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configurations and Function Descriptions ...
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SPECIFICATIONS V = 3.3 V ±0 unless otherwise noted MIN MAX Table 1. Parameter DRIVER Differential Output Voltage Δ for Complementary Output States OD Common-Mode Output Voltage, ...
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ADM3493 TIMING SPECIFICATIONS 25°C, unless otherwise noted Table 2. Parameter DRIVER Differential Output Delay Differential Output Transition Time Propagation Delay, Low-to-High Level, t Propagation Delay, High-to-Low Level, t ...
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ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter V to GND CC Digital I/O Voltage (DE DI) Digital I/O Voltage (R ) OUT Driver Output/Receiver Input Voltage Operating Temperature Range Storage Temperature Range ...
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ADM3493 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. . Pin Function Descriptions Pin No. Mnemonic GND ADM3493 RE B ...
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TEST CIRCUITS Figure 3. Driver V and V OD 375Ω 375Ω Figure 4. Driver V with Varying Common-Mode Voltage OD V ...
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ADM3493 SWITCHING CHARACTERISTICS IN 1.5V 1. 90% 90% 50% 50% OUT 10 Figure 12. Driver Differential Output Delay and Transition Times IN 1.5V 1.5V t PLH OUT t PHL B V OUT OM ...
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TYPICAL PERFORMANCE CHARACTERISTICS 0.5 1.0 1.5 2.0 OUTPUT VOLTAGE (V) Figure 18. Output Current vs. Receiver Output Low Voltage –16 –14 –12 –10 –8 –6 –4 – 0.5 1.0 1.5 ...
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ADM3493 140 120 100 OUTPUT VOLTAGE (V) Figure 24. Output Current vs. Driver Output Low Voltage –125 –115 –105 –95 –85 –75 –65 –55 –45 –35 –25 –15 –5 –7 –6 ...
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CIRCUIT DESCRIPTION The ADM3493 is a low power transceiver for RS-485 and RS-422 communications. The ADM3493 can transmit and receive at data rates up to 250 kbps in a half duplex configuration. Driver Enable (DE) and Receiver Enable ( RE ...
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... ADM3493 OUTLINE DIMENSIONS ORDERING GUIDE Model Temperature Range 1 ADM3493ARZ −40°C to +85°C ADM3493ARZ-REEL7 1 −40°C to +85° Pb-free part. © 2005 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D05715-0-10/05(0) 5.00 (0.1968) 4 ...