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TDA1579T 数据表(PDF) 4 Page - NXP Semiconductors |
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TDA1579T 数据表(HTML) 4 Page - NXP Semiconductors |
4 / 13 page May 1992 4 Philips Semiconductors Product specification Decoder for traffic warning (VWF) radio transmissions TDA1579 TDA1579T BK circuit Switch-on threshold level pin 3 high-Z Vo5BKon 600 670 750 mV Switch hysteresis 3 3.5 4 dB BK switch threshold level for BK-off (SK-off) pin 3 conducting V4-18off 0.8 0.88 0.97 V (typ. value = 0.21V8-18) SK output (pin 3) allowable load current I3 −− 1.5 mA saturation voltage I3 = 1.5 mA V3-18sat −− 0.35 V rejection voltage I3 < 5 µAV3-18 18 −− V Indicator driver (pin 1) allowable load current I1 −− 40 mA saturation voltage I1 = 20 mA V1-18sat −− 0.8 V rejection voltage I1 < 10 µAV1-18 23 −− V DK circuit Switch-on threshold level pin 2 high-Z V15DKon 600 670 750 mV Switch hysteresis 3.1 3.6 4.1 dB DK switch threshold level for DK-off (Schmitt pin 2 trigger output) conducting V16-18off − 0.6 − V (typ. value 1 × VBE) DK output (pin 2) allowable load current I2 −− 1.5 mA saturation voltage I2 = 1.5 mA V2-18sat −− 0.35 V rejection voltage I2 < 5 µAV2-18 18 −− V BK and DK filter amplifiers Open loop gain f = 100 Hz Go 84 −− dB Current gain Gi 120 −− dB Input bias current ± Ii −− 50 nA Output offset voltage R5-6 = R14-15 = 680 k Ω± Vo5-8 −− 50 mV ± V 15-8 Available output current ± Io 1 −− mA Output resistance Ro − 2 3.5 k Ω Allowable load capacitance CL −− 50 pF PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT V o5BKon V o5BKoff ---------------------- V 15DKon V 15DKoff ---------------------- |
类似零件编号 - TDA1579T |
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类似说明 - TDA1579T |
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