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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STLC3055N датащи(PDF) 31 Page - STMicroelectronics |
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STLC3055N датащи(HTML) 31 Page - STMicroelectronics |
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31 / 34 page  STLC3055N STLC3055Q vs STLC3055N compatibility. 31/34 9 STLC3055Q vs STLC3055N compatibility. STLC3055N is pin to pin compatible with the old STLC3055Q but offer a better performance in term of power consumption and can be set in a new gain configuration in order to be compatible with the 3.3 V codec. 9.1 Typical power consumption comparison To meet this result some differences, with a minimum impact on the application, has been introduced in STLC3055N. 9.2 Hardware differences ● RX input. In STLC3055N it is necessary a 100 k Ω external resistor between RX input and AGND to bias the input stage. ● Rp. The STLC3055N required a Rp value of 50 Ω instead of 41 Ω. ● TTX filter. To optimize the ttx signal dynamic, the values of RLV and CFL have been changed; 9.3 Parameter differences Table 14. Power consumption differences Operative mode STLC3055Q STLC3055N HI-Z 52 - 60 mA 13 - 25 mA Active on hook 93 - 115 mA 50 - 80 mA Ring (no REN) 120 - 140 mA 55 - 90 mA Table 15. Hardware differences Component STLC3055Q STLC3055N RRX 100 k Ω Rp 41 Ω 50 Ω RLV 27 k Ω 16.2 k Ω CFL 1 nF 1.5 nF Table 16. Parameter differences Parameter STLC3055Q STLC3055N Absolute max. rating 17 V 13 V Operating range 15.8 V 12 V Typ. metering pulse level (Gs 1) 340 mVrms Typ. metering pulse level (Gs 0) 200 mVrms 170 mVrms |
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