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ADM4851AR-REEL7 Datasheet(PDF) 3 Page - Analog Devices |
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ADM4851AR-REEL7 Datasheet(HTML) 3 Page - Analog Devices |
3 / 16 page ADM4850–ADM4857 Rev. 0 | Page 3 of 16 SPECIFICATIONS V = 5 V ± 5%, TA = TMIN to TMAX, unless otherwise noted. Table 2. Parameter Min Typ Max Unit Test Conditions/Comments DRIVER Differential Output Voltage, VOD VCC V R = ∞, Figure 41 2.0 5 V R = 50 Ω (RS-422), Figure 4 1.5 5 V R = 27 Ω (RS-485), Figure 4 1.5 5 V VTST = −7 V to 12 V, Figure 5 ∆|VOD| for Complementary Output States 0.2 V R = 27 Ω or 50 Ω, Figure 4 Common-Mode Output Voltage, VO 3 V R = 27 Ω or 50 Ω, Figure 4 ∆|VO | for Complementary Output States 0.2 V R = 27 Ω or 50 Ω, Figure 4 Output Short-Circuit Current, VOUT = High −200 +200 mA −7 V < VOUT < +12 V Output Short-Circuit Current, VOUT = Low −200 +200 mA −7 V < VOUT < +12 V DRIVER INPUT LOGIC CMOS Input Logic Threshold Low 1.4 0.8 V CMOS Input Logic Threshold High 2.0 1.4 V CMOS Logic Input Current (DI) ±1 µA DE Input Resistance to GND 220 kΩ RECEIVER Differential Input Threshold Voltage, VTH −200 −125 −30 mV −7 V < VM < +12 V Input Hysteresis 20 mV −7 V < VM < +12 V Input Resistance (A, B) 96 150 kΩ −7 V < VM < +12 V Input Current (A, B) 0.125 mA VIN = +12 V −0.1 mA VIN = −7 V CMOS Logic Input Current (RE) ±1 µA CMOS Output Voltage Low 0.4 V IOUT = +4 mA CMOS Output Voltage High 4.0 V IOUT = −4 mA Output Short Circuit Current 7 85 mA VOUT = GND or VCC Three-State Output Leakage Current ±2 µA 0.4 V ≤ VOUT ≤ 2.4 V POWER SUPPLY CURRENT I (115 kbps Options) 5 µA DE = 0 V, RE = VCC (shutdown) 36 60 µA DE = 0 V, RE = 0 V 100 160 µA DE = VCC I (500 kbps Options) 5 µA DE = 0 V, RE = VCC (shutdown) 80 120 µA DE = 0 V, RE = 0 V 120 200 µA DE = VCC I (2.5 Mbps Options) 5 µA DE = 0 V, RE = VCC (shutdown) 250 400 µA DE = 0 V, RE = 0 V 320 500 µA DE = VCC I (10 Mbps Options) 5 µA DE = 0 V, RE = VCC (shutdown) 250 400 µA DE = 0 V, RE = 0 V 320 500 µA DE = VCC 1 Guaranteed by design. |
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