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MC75172BDW bảng dữ liệu(PDF) 2 Page - ON Semiconductor |
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2 / 13 page MC75172B, MC75174B http://onsemi.com 2 RECOMMENDED OPERATING CONDITIONS Characteristic Symbol Min Typ Max Unit Power Supply Voltage VCC +4.75 +5.0 +5.25 Vdc Input Voltage (All Inputs) Vin 0 − VCC Vdc Output Voltage in 3−State Condition, or when VCC = 0 V Vcm −7.0 − +12 Vdc Output Current (Normal data transmission) IO −65 − +65 mA Operating Ambient Temperature (see text) EIA−485 EIA−422 TA −40 0 − +85 °C 2. All limits are not necessarily functional concurrently. ELECTRICAL CHARACTERISTICS (−40 °C p TA p 85°C, 4.75 V p VCC p 5.25 V, unless otherwise noted.) Characteristic Symbol Min Typ Max Unit Output Voltage Single−Ended Voltage IO = 0 High @ IO = −33 mA Low @ IO = +33 mA Differential Voltage Open Circuit (IO = 0) RL = 54 W (Figure 1) VO VOH VOL ⎥VOD1⎜ ⎥VOD2⎜ 0 − − 1.5 1.5 − 4.0 1.6 3.4 2.3 6.0 − − 6.0 5.0 Vdc Change in Differential*, RL = 54 W (Figure 1) Differential Voltage, RL = 100 W (Figure 1) Change in Differential*, RL = 100 W (Figure 1) Differential Voltage, −7.0 V p Vcm p 12 V (Figure 2) Change in Differential*, −7.0 V p Vcm p 12 V (Figure 2) Offset Voltage, RL = 54 W (Figure 1) Change in Offset*, RL = 54 W (Figure 1) ⎥DVOD2⎜ ⎥VOD2A⎜ ⎥DVOD2A⎜ ⎥VOD3⎜ ⎥DVOD3⎜ VOS ⎥DVOS⎜ − − − 1.5 − − − 5.0 2.2 5.0 − 5.0 2.9 5.0 200 − 200 5.0 200 − 200 mVdc Vdc mVdc Vdc mVdc Vdc mVdc Output Current (Each Output) Power Off Leakage, VCC = 0, −7.0 V p VO p 12 V Leakage in 3−State Mode, −7.0 V p VO p 12 V IO(off) IOZ −50 −50 0 0 +50 +50 mA Short Circuit Current to Ground Short Circuit Current, −7.0 V p VO p 12 V IOSR IOS −150 −250 − − +150 +250 mA Inputs Low Level Voltage (Pins 4 & 12, MC75174B only) Low Level Voltage (All Other Pins) High Level Voltage (All Inputs) VIL(A) VIL(B) VIH 0 0 2.0 − − − 0.7 0.8 VCC Vdc Current @ Vin = 2.7 V (All Inputs) Current @ Vin = 0.5 V (All Inputs) IIH IIL − −100 0.2 −15 20 − mA Clamp Voltage (All Inputs, Iin = −18 mA) VIK −1.5 − − Vdc Thermal Shutdown Junction Temperature Tjts − +150 − °C Power Supply Current (Outputs Open, VCC = 5.25 V) Outputs Enable Outputs Disabled ICC − − 60 30 70 40 mA 3. *Vin switched from 0.8 to 2.0 V. Typical values determined at 25°C ambient and 5.0 V supply. |
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