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E-LS1240A 데이터시트(PDF) 3 Page - STMicroelectronics |
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3 / 9 page Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) LS1240 Electrical characteristics 3/9 2 Electrical characteristics Tamb = 25°C, VS = applied between pins 7-2 unless otherwise specified. Table 1. Absolute maximum ratings Symbol Parameter Value Unit VAB Calling voltage (f = 50 Hz) continuous 120 Vms VAB Calling voltage (f = 50 Hz) 5s ON/10s OFF 200 Vms DC Supply current 30 mA TOP Operating temperature -40 to 70 °C Tstg Storage and junction temperature -65 to +150 °C Table 2. Thermal data Symbol Parameter Value Unit Rthj-amb Maximum thermal resistance junction-ambient 100 °C/W Table 3. Electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. unit VS Supply voltage 26 V IB Current consumption without laod (pins 8-1) V8-1 = 9.3 to 25 V 1.5 1.8 mA VON Activation voltage 12.2 13.2 V VOFF Sustaining voltage 8 9 V RD Differential resistance in OFF conditions (pins 8-1) 6.4 k Ω VOUT Output voltage swing VS-5 V IOUT Short circuit current (pins 5-2) VS = 20V RL = 250Ω 70 mA AC operation f1 f2 Output frequencies fOUT1 fOUT2 VS = 26V, R1 = 14Ω VS = 0V VS = 6V 1.74 1.22 2.14 1.6 kHz 1.33 1.43 Programming resistor range 856 kW Sweep frequency R1 = 14 kΩ, C1 = 100 nF 5.25 7.5 9.75 Hz f OUT1 f OUT2 ------------ |
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