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ST1480ACN Datasheet(PDF) 6 Page - STMicroelectronics |
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ST1480ACN Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 22 page Electrical characteristics ST1480A 6/22 4 Electrical characteristics Table 6. Electrical characteristics VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C) Symbol Parameter Test conditions Min. Typ. Max. Unit ISUPPLY VCC Power supply current No Load, DI=0V or VCC DE=VCC, RE=0V or VCC 1.3 2.2 mA DE=0V, RE=0V 1.2 1.9 mA ISHDN Shutdown supply current DE=0V, RE=VCC, DI=0V or VCC 0.002 1 µA Table 7. Logic input electrical characteristics VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit VIL Input logic threshold low DE, DI, RE 1.3 0.8 V VIH Input logic threshold high DE, DI, RE 2 V IIN1 Logic input current DE, DI, RE ± 2.0 µA IIN2 Input current (A, B) DE=0V, VCC= 0 or 3.6V VIN=12V 1 mA VIN=-7V -0.8 mA Table 8. Transmitter electrical characteristics VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta = 25°C) Symbol Parameter Test conditions Min. Typ. Max. Unit VOD Differential drive output RL= 100Ω (RS-422) (Figure 1.)2 V RL= 54Ω (RS-485) (Figure 1.)1.5 V RL= 60Ω (RS-485) (Figure 2.)1.5 V ∆V OD Change in magnitude of driver differential output voltage for complementary output states (Note: 1) RL= 54Ω or 100Ω (Figure 1.)0.2 V VOC Driver common mode output voltage RL= 54Ω or 100Ω (Figure 1.)3 V ∆V OC Change in magnitude of driver common mode output voltage (Note: 1) RL= 54Ω or 100Ω (Figure 1.)0.2 V IOSD Driver short circuit output current ± 250 mA |
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