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UBA1707TS датащи(PDF) 25 Page - NXP Semiconductors |
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UBA1707TS датащи(HTML) 25 Page - NXP Semiconductors |
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25 / 36 page ![]() 1999 Feb 17 25 Philips Semiconductors Product specification Cordless telephone, answering machine line interface UBA1707 Dynamic limiter tatt attack time VCC = 3 V; Gv(LSA) =28dB when VLSAI jumps from 20 mV (RMS) to 20 mV (RMS) + 10 dB; bit DLCI = 0 −− 5ms when VCC drops below 2.7 V; bit DLCI = don’t care − 1 − ms trel release time VCC = 3 V; Gv(LSA) = 28 dB; when VLSAI jumps from 20 mV (RMS) + 10 dB to 20 mV (RMS); bit DLCI = 0 − 250 − ms THD total harmonic distortion at VLSAI = 20 mV (RMS) + 10 dB VCC =3V; Gv(LSA) = 28 dB; t>tatt − 0.5 5 % Volume control ∆Gv(LSA) voltage gain adjustment range bits (VOL0, VOL1, VOL2) from (0, 0, 0) to (1, 1, 1) − 21 − dB ∆G v(LSA)(s) voltage gain adjustment step VOL0 from 0 to 1 − 3 − dB Switches (pins SWI1, SWI2 and SWI3; bits SWC1, SWC2 and SWC3) Zi(off) AC impedance between pins SWIn and GND when not selected bit SWCn = 0 700 −− k Ω Z i(on) AC impedance between pins SWIn and GND when selected 2mA<ISWIn < 20 mA; bit SWCn = 1 −− 30 Ω Serial interface (pins DATA, CLK and EN) VIH HIGH-level input voltage 2.3 − VCC + 0.4 V VIL LOW-level input voltage VCC = 3 to 5.5 V GND − 0.4 − 0.3VCC V Ibias input bias current input level = HIGH 1 2 5 µA Ci input capacitance at pins DATA, CLK and EN − 4 − pF SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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