ADM483EARZ Analog Devices Inc, ADM483EARZ Datasheet
ADM483EARZ
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ADM483EARZ Summary of contents
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FEATURES EIA RS-485/RS-422-compliant Data rates up to 250 kbps Slew-rate limited for low EMI 100 nA supply current in shutdown mode Low power consumption (120 µ transceivers on one bus Outputs high-z when disabled or powered off ...
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ADM483 TABLE OF CONTENTS Specifications..................................................................................... 3 Timing Specifications....................................................................... 4 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. 6 Test Circuits....................................................................................... 7 Switching Characteristics ................................................................ 8 Typical Performance Characteristics ............................................. 9 REVISION HISTORY 10/04—Revision 0: Initial Version ...
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SPECIFICATIONS ± 5 unless otherwise noted MIN MAX Table 1. Parameter DRIVER Differential Output Voltage ∆ for Complementary Output States OD Common-Mode Output Voltage, ...
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ADM483 TIMING SPECIFICATIONS ± 5 unless otherwise noted MIN MAX Table 2. Parameter DRIVER Maximum Data Rate Propagation Delay PLH PHL Skew t SKEW Rise/Fall ...
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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, RE, DI, ROUT) Driver Output/Receiver Input Voltage Operating Temperature Range Storage Temperature Range θ Thermal Impedance (SOIC) JA Lead ...
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ADM483 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 RO Receiver Output. When enabled > 200 mV, then RO = high < 200 mV, then ...
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TEST CIRCUITS V OD Figure 3. Driver Voltage Measurement 375Ω V OD3 60Ω 375Ω Figure 4. Driver Voltage Measurement over Common-Mode Voltage Range A R LDIFF B Figure 5. Driver Propagation Delay TST C L1 ...
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ADM483 SWITCHING CHARACTERISTICS 3V 1.5V 1. PLH B 1/2VO SKEW PLH – PHL 5V 90% POINT 10% POINT Figure 9. Driver Propagation Delay, Rise/Fall Timing ...
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TYPICAL PERFORMANCE CHARACTERISTICS 400 350 300 250 200 150 100 50 0 –50 – TEMPERATURE ( °C) Figure 13. Supply Current vs. Temperature 0.2 0.4 ...
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ADM483 120 100 0.5 1.0 1.5 2.0 2.5 3.0 OUTPUT VOLTAGE (V) Figure 19. Output Current vs. Driver Output Low Voltage –10 –30 –50 –70 –90 –110 0 0.5 1.0 1.5 2.0 2.5 3.0 ...
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APPLICATIONS DIFFERENTIAL DATA TRANSMISSION Differential data transmission is used to reliably transmit data at high rates over long distances and through noisy environments. Differential transmission nullifies the effects of ground shifts and noise signals that appear as common- mode voltages ...
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ADM483 THERMAL SHUTDOWN The ADM483 contains thermal shutdown circuitry that protects the part from excessive power dissipation during fault conditions. Shorting the driver outputs to a low impedance source can result in high driver currents. The thermal sensing circuitry detects ...
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OUTLINE DIMENSIONS ORDERING GUIDE Model Temperature Range ADM483AR –40°C to +85°C ADM483AR-REEL –40°C to +85°C ADM483AR-REEL7 –40°C to +85°C ADM483JR 0°C to 70°C ADM483JR-REEL 0°C to 70°C ADM483JR-REEL7 0°C to 70°C 5.00 (0.1968) 4.80 (0.1890 6.20 (0.2440) 4.00 ...
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ADM483 NOTES Rev Page ...
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NOTES Rev Page ADM483 ...
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ADM483 NOTES © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D05079-0-10/04(0) Rev Page ...