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ADM3232E Fiches technique(PDF) 3 Page - Analog Devices |
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ADM3232E Fiches technique(HTML) 3 Page - Analog Devices |
3 / 12 page ADM3232E Rev. 0 | Page 3 of 12 SPECIFICATIONS VCC = 3.3 V ± 0.3 V, C1 to C4 = 0.1 μF. All specifications TMIN to TMAX, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments DC CHARACTERISTICS Operating Voltage Range 3.0 3.3 5.5 V VCC Power Supply Current 1.3 3 mA No load LOGIC Input Logic Threshold Low, VINL 0.8 V TIN Input Logic Threshold High, VINH 2.0 V TIN TTL/CMOS Output Voltage Low, VOL 0.4 V IOUT = 1.6 mA TTLCMOS Output Voltage High, VOH VCC − 0.6 V IOUT = −1 mA Logic Pull-Up Current 5 10 μA TIN = GND to VCC Transmitter Input Hysteresis 0.5 V RS-232 RECEIVER Input Voltage Range −30 +30 V Input Threshold Low 0.6 1.2 V Input Threshold High 1.6 2.4 V Input Hysteresis 0.4 V Input Resistance 3 5 7 kΩ RS-232 TRANSMITTER Output Voltage Swing (RS-232) ±5.0 ±5.2 V VCC = 3.3 V, all transmitter outputs loaded with 3 kΩ to ground Output Voltage Swing (RS-562) ±3.7 V VCC = 3.0 V Transmitter Output Resistance 300 Ω VCC = 0 V, VOUT = ±2 V Output Short-Circuit Current (RS-232) ±15 mA TIMING CHARACTERISTICS Maximum Data Rate 460 kbps VCC = 3.3 V, RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, one Tx switching Receiver Propagation Delay TPHL 0.4 1 μs TPLH 0.4 1 μs Transmitter Propagation Delay 300 1.2 μs RL = 3 kΩ, CL = 1000 pF Receiver Output Enable Time 200 ns Receiver Output Disable Time 200 ns Transmitter Skew 30 ns Receiver Skew 300 ns Transition Region Slew Rate 5.5 10 30 V/μs Measured from +3 V to −3 V or −3 V to +3 V, VCC = 3.3 V; RL = 3 kΩ, CL = 1000 pF, TA = 25°C ESD PROTECTION (RS-232 and TTL/CMOS I/O PINS) ±15 kV Human body model ±15 kV IEC 1000-4-2 air discharge ±8 kV IEC 1000-4-2 contact discharge |
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