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ADM1486ARZ-REEL1 数据表(PDF) 3 Page - Analog Devices |
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ADM1486ARZ-REEL1 数据表(HTML) 3 Page - Analog Devices |
3 / 16 page ADM1486 Rev. A | Page 3 of 16 SPECIFICATIONS VCC = 5 V ±5%. All specifications TMIN to TMAX, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments DRIVER Differential Output Voltage, VOD 5.0 V R = Infinity, see Figure 3 2.1 5.0 V VCC = 5 V, R = 50 Ω (RS-422), see Figure 3 2.1 5.0 V R = 27 Ω (RS-485), see Figure 3 VOD3 2.1 5.0 V VTST = −7 V to +12 V, see Figure 4 ∆| VOD | for Complementary Output States 0.2 V R = 27 Ω or 50 Ω, see Figure 3 Common-Mode Output Voltage VOC 3.0 V R = 27 Ω or 50 Ω, see Figure 3 ∆| VOC | for Complementary Output States 0.2 V R = 27 Ω or 50 Ω Output Short-Circuit Current (VOUT = High) 60 200 mA −7 V ≤ VO ≤ +12 V Output Short-Circuit Current (VOUT = Low) 60 200 mA −7 V ≤ VO ≤ +12 V CMOS Input Logic Threshold Low, VINL 0.8 V CMOS Input Logic Threshold High, VINH 2.0 V Logic Input Current (DE, DI) ±1.0 µA RECEIVER Differential Input Threshold Voltage, VTH −0.2 +0.2 V −7 V ≤ VCM ≤ +12 V Input Voltage Hysteresis, ∆VTH 70 mV VCM = 0 V Input Resistance 20 30 kΩ −7 V ≤ VCM ≤ +12 V Input Current (A, B) 0.6 mA VIN = +12 V −0.35 mA VIN = −7 V Logic Enable Input Current (RE) ±1.0 µA CMOS Output Voltage Low, VOL 0.4 V IOUT = +4.0 mA CMOS Output Voltage High, VOH 4.0 V IOUT = −4.0 mA Short-Circuit Output Current 7 85 mA VOUT = GND or VCC Three-State Output Leakage Current ±1.0 µA 0.4 V ≤ VOUT ≤ 2.4 V POWER SUPPLY CURRENT ICC (Outputs Enabled) 1.2 2.0 mA Outputs unloaded, digital inputs = GND or VCC ICC (Outputs Disabled) 0.8 1.5 mA Outputs unloaded, digital inputs = GND or VCC |
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类似说明 - ADM1486ARZ-REEL1 |
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