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ADM237LAR Fiches technique(PDF) 3 Page - Analog Devices |
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ADM237LAR Fiches technique(HTML) 3 Page - Analog Devices |
3 / 20 page ADM231L–ADM234L/ADM236L–ADM241L Rev. C | Page 3 of 20 SPECIFICATIONS VCC = 5 V ± 10% (ADM231L, ADM232L, ADM234L, ADM236L, ADM238L, ADM239L, ADM241L); VCC = 5 V ± 5% (ADM233L and ADM237L); V+ = 7.5 V to 13.2 V (ADM231L and ADM239L); C1 to C4 = 1.0 µF ceramic. All specifications TMIN to TMAX, unless otherwise noted. Table 2. Parameter Min Typ Max Unit Test Conditions/Comments Output Voltage Swing ±5 ±9 V All transmitter outputs loaded with 3 kΩ to ground VCC Power Supply Current 2.5 6.0 mA No load, (ADM232L only) 3.5 13 mA No load V+ Power Supply Current 1.5 4 mA No load, V+ = 12 V (ADM231L and ADM239L only) Shutdown Supply Current 1 10 µA Input Logic Threshold Low, VINL 0.8 V TIN, EN, SD, EN, SD Input Logic Threshold High, VINH 2.0 V TIN, EN, SD, EN, SD Logic Pull-Up Current 12 25 µA RS-232 Input Voltage Range1 –30 +30 V TIN = 0 V RS-232 Input Threshold Low 0.8 1.2 V RS-232 Input Threshold High 1.6 2.4 V RS-232 Input Hysteresis 0.65 V RS-232 Input Resistance 3 5 7 kΩ TA = 0°C to 85°C TTL/CMOS Output Voltage Low, VOL 0.4 V TTL/CMOS Output Voltage High, VOH 3.5 V IOUT = −1.0 mA TTL/CMOS Output Leakage Current +0.05 ±10 µA EN = VCC, 0 V ≤ ROUT ≤ VCC Output Enable Time (TEN) 250 ns ADM236L, ADM239L, ADM241L (Figure 31, CL = 150 pF) Output Disable Time (TDIS) 50 ns ADM236L, ADM239L, ADM241L (Figure 31, RL = 1 kΩ) Propagation Delay 0.3 µs RS-232 to TTL Transition Region Slew Rate 8 V/µs RL = 3 kΩ, CL = 2500 pF, measured from +3 V to −3 V or −3 V to +3 V Output Resistance 300 Ω VCC = V+ = V– = 0 V, VOUT = ±2 V RS-232 Output Short-Circuit Current ±10 mA 1 Guaranteed by design. |
Numéro de pièce similaire - ADM237LAR |
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Description similaire - ADM237LAR |
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