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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADM2485BRWZ-REEL датащи(PDF) 2 Page - Analog Devices |
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ADM2485BRWZ-REEL датащи(HTML) 2 Page - Analog Devices |
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2 / 15 page  ADM2485 Preliminary Technical Data SPECIFICATIONS 2.7 ≤ VDD1 ≤ 5.5 V, 4.75 V ≤ VDD2 ≤ 5.25 V, TA = TMIN to TMAX, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments DRIVER Differential Outputs Differential Output Voltage, VOD 5 V R = ∞, Figure 3 2.1 5 V R = 50 Ω (RS-422), Figure 3 2.1 5 V R = 27 Ω (RS-485), Figure 3 2.1 5 V VTST = −7 V to 12 V, VDD1 ≥ 4.75, Figure 4 Δ |VOD| for Complementary Output States 0.2 V R = 27 Ω or 50 Ω, Figure 3 Common-Mode Output Voltage, VOC 3 V R = 27 Ω or 50 Ω, Figure 3 Δ |VOC| for Complementary Output States 0.2 V R = 27 Ω or 50 Ω, Figure 3 Output Short-Circuit Current, VOUT = High 60 200 mA −7 V ≤ VOUT ≤ +12 V Output Short-Circuit Current, VOUT = Low 60 200 mA −7 V ≤ VOUT ≤ + 12 V Bus Enable Output Output High Voltage VDD2−0.1 V IODE = 20 µA VDD2−0.3 VDD2−0.1 V IODE = 1.6 mA VDD2−0.4 VDD2−0.2 V IODE = 4 mA Output Low Voltage 0.1 V IODE = −20 µA 0.1 0.3 V IODE = −1.6 mA 0.2 0.4 V IODE = −4 mA Logic Inputs Input High Voltage 0.7 VDD1 V TxD, RTS, RE Input Low Voltage 0.25 VDD1 V TxD, RTS, RE CMOS Logic Input Current (TxD, RTS, RE) −10 0.01 10 µA TxD, RTS, RE = VDD1 or 0 V RECEIVER Differential Inputs Differential Input Threshold Voltage, VTH −200 200 mV −7 V ≤ VCM ≤ +12V Input Hysteresis 70 mV −7 V ≤ VCM ≤ +12V Input Resistance (A, B) 20 30 k Ω −7 V ≤ VCM ≤ +12V Input Current (A, B) 0.6 mA VIN = +12 V −0.35 mA VIN = −7 V RxD Logic Output: Output High Voltage VDD1−0.1 V IOUT = 20 µA, VA −VB=0.2 V VDD1−0.4 VDD1−0.2 V IOUT = 4 mA, VA −VB=0.2 V Output Low Voltage 0.1 V IOUT = −20 µA, VA −VB=-0.2 V 0.2 0.4 V IOUT = −4 mA, VA −VB=-0.2 V Output Short Circuit Current 7 85 mA VOUT = GND or VCC Three-State Output Leakage Current ±1 µA 0.4 V ≤ VOUT ≤ 2.4 V Transformer Driver Oscillator Frequency 500 kHz Switch On resistance 0.5 1.5 Ω Start-Up Voltage 2.2 2.5 V Rev. PrK | Page 2 of 15 |
Аналогичный номер детали - ADM2485BRWZ-REEL |
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Аналогичное описание - ADM2485BRWZ-REEL |
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