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TA31002 Arkusz danych(PDF) 4 Page - Unisonic Technologies |
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TA31002 Arkusz danych(HTML) 4 Page - Unisonic Technologies |
4 / 6 page TA31002 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 6 www.unisonic.com.tw QW-R108-004.B ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL RATINGS UNIT Power Supply Voltage VCC 30 V Power Dissipation PD 800 mW Operating Temperature TOPR -40 ~ +85 °C Storage Temperature TSTG -55 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ELECTRICAL CHARACTERISTICS (Ta=25°C) (All voltage referenced to GND unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Operating Voltage VOPR 29 V Initiation Supply Voltage Vsi (note 1) 17 19 21 V Sustaining Supply Voltage Vsus (note 2) 10.5 12 - V Initiation Current Consumption Isi 1.4 3.3 4.2 mA Sustaining Current Consumption Isus No-Load 0.7 1.4 2.5 mA Fl C1=0.47 µF, R1=165kΩ 9 10 11 Hz fH1 461 512 563 Hz Oscillation Frequency (not3) fH2 C2=6800pF, R2=191k Ω 576 640 703 Hz Output Voltage “H” Level VOH Vcc=24V, VOH=-10mA PIN7=GND 20.0 21.5 22.5 V Output Voltage “L” Level VOL Vcc=24V, VOL=10mA PIN7=7V 0.7 1.0 2.0 V *Note : 1. Initiation supply voltage (Vsi) is a supply voltage required to start oscillation of the tone ringer. 2. Sustaining supply voltage (Vsus) is a supply voltage required to maintain oscillation of the tone ringer. 3. Oscillation frequency is determined by the following equations 1, 2, and 3. (1) fL=1/1.234 •R1•C1 (Hz) ; (2)fH1=1/1.515•R2•C2 (Hz); (3)fH2=1.24 fH1(Hz) |
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