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UBA2050 Fiches technique(PDF) 36 Page - NXP Semiconductors |
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UBA2050 Fiches technique(HTML) 36 Page - NXP Semiconductors |
36 / 52 page 2000 May 19 36 Philips Semiconductors Product specification One-chip telephone ICs with speech, dialler and ringer functions UBA2050(A); UBA2051(A;C) Automatic gain control (pin AGC) ∆Gv(trx) voltage gain control range for microphone and receive amplifiers Iline = 85 mA; referenced to Iline =15mA − 6.0 − dB Istart highest line current for maximum gain − 23 − mA Istop lowest line current for minimum gain − 59 − mA Oscillator (pin XTAL) VXTAL DC voltage level − 0.5VDD − V Re(Zi) real part of input impedance of pin XTAL VXTAL = 100 mV (RMS); fxtal = 3.57 MHz −−6 − k Ω Control inputs (pins CE/CSI and CE/FDI) VIL LOW-level input voltage GND − 0.4 − 0.2VDD V VIH HIGH-level input voltage 0.8VDD − VDD + 0.4 V ILI input leakage current GND < Vi <VDD −500 − +500 nA Keyboard inputs/outputs (pins C1 to C4, R1 to R4); note 2 VIL LOW-level input voltage 0 − 0.2VDD V VIH HIGH-level input voltage 0.8VDD − VDD V IOL port sink current LOW VOL = 0.15 V 0.7 1.6 − mA IOH1 port pull-up source 1 current HIGH VOH =VIH(min) 15 35 −µA VOL =VIL(max) − 70 140 µA IOH2 port pull-up source 2 current HIGH VOH =VIH(min) 30 80 − nA VOL =VIL(max) − 150 300 nA Control output (pin DP/FL) ILI input leakage current GND < Vi <VDD −500 − +500 nA IOL port sink current LOW Vo = 0.15 V 1 2.5 − mA Control outputs (pins DMO, KT and LED) IOL port sink current LOW Vo = 0.4 V 1.5 4 − mA IOH port source current HIGH Vo =VDD − 0.15 V −1 −2 − mA DTMF/ringer output TONE GENERATOR (PIN MDY/TONE); note 3 I o maximum output current 70 100 −µA VHG(rms) high group frequency voltage (RMS value) DTMF mode − 181 − mV VLG(rms) low group frequency voltage (RMS value) DTMF mode − 142 − mV GV pre-emphasis of group 1.5 2.0 2.5 dB VDC DC voltage level − 0.5VDD − V SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
Numéro de pièce similaire - UBA2050 |
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Description similaire - UBA2050 |
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