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ADM3222ARU 데이터시트(PDF) 3 Page - Analog Devices |
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ADM3222ARU 데이터시트(HTML) 3 Page - Analog Devices |
3 / 16 page ADM3202/ADM3222/ADM1385 Rev. E | Page 3 of 16 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 8 12 mA RL = 3 kΩ to GND Shutdown Supply Current 0.01 0.5 μA LOGIC Input Logic Threshold Low, VINL 0.8 V TIN Input Logic Threshold High, VINH 2.0 V TIN CMOS Output Voltage Low, VOL 0.4 V IOUT = 1.6 mA CMOS Output Voltage High, VOH VCC − 0.6 V IOUT = −1 mA Logic Pull-Up Current 5 10 μA TIN = GND to VCC1 Output Leakage Current ±10 μA Receivers disabled RS-232 RECEIVER EIA-232 Input Voltage Range −30 +30 V EIA-232 Input Threshold Low 0.6 1.2 V EIA-232 Input Threshold High 1.6 2.4 V EIA-232 Input Hysteresis 0.4 V EIA-232 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 RS-232 Output Short-Circuit Current ±15 mA Output Leakage Current ±25 μA SD = low, VOUT = 12 V 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 0.3 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 1 ADM1385: Input leakage current typically −10 μA when TIN = GND. |
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