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U4089B-PFNG3Y Datasheet(PDF) 11 Page - ATMEL Corporation |
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U4089B-PFNG3Y Datasheet(HTML) 11 Page - ATMEL Corporation |
11 / 26 page 11 4518C–CORD–10/05 U4089B-P Noise at line psophometrically weighted IL > 14 mA G T = 48 dB no –80 –72 dBmp Anti-clipping attack time release time CTXA = 1 µF each 3 dB overdrive 0.5 9 ms ms Gain at low operating current I L = 10 mA I MP = 1 mA RDC = 68 k Ω V mic = 1 mV I M = 300 µA GT 40 42.5 dB Distortion at low operating current I L = 10 mA IM = 300 µA I MP = 1 mA RDC = 68 k Ω Vmic = 10 mV d t 5% Line-loss compensation IL = 100 mA, RAGA = 20 k Ω ∆G TI –6.4 –5.8 –5.2 dB Mute suppression a) MIC muted (microphone preamplifier) I L ≥ 14 mA Mutx = open G TM 60 80 dB Receiving Amplifier, I L = 14 mA, RGR = 62 kΩ, unless otherwise specified, VGEN = 300 mV Adjustment range of receiving gain I L ≥ 14 mA, single ended GR –8 +2 dB Receiving amplification RGR = 62 k Ω RGR = 22 k Ω G R –7.75 –7 1.5 –6.25 dB Amplification of DTMF signal from DTMF IN to RECO IL ≥ 14 mA V MUTX = VMP GRM 14 7 dB Frequency response I L > 14 mA, f = 300Hz to 3400Hz ∆G RF ±0.5 dB Gain change with current IL = 14 mA to 100 mA ∆G R ±0.5 dB Gain deviation Tamb = –10° C to +60° C ∆G R ±0.5 dB Ear protection IL ≥ 14 mA VGEN = 11Vrms EP 1.1 V rms MUTE suppression DTMF operation IL ≥ 14 mA V MUTX = VMP ∆G R 60 dB Output voltage d ≤2% I L = 14 mA Zear = 68 nF 0.5 Vrms Maximum output current d ≤2% Z ear = 100Ω 4 mA (peak) Receiving noise psophometrically weighted Z ear = 68 nF + 100Ω I L ≥ 14 mA ni –80 –77 dBmp Output resistance Output against GND R o 10 Ω Line-loss compensation RAGA = 20 k Ω, IL = 100 mA ∆G RI –7.0 –6.0 –5.0 dB AC impedance Zimp 840 900 960 Ω 8. Electrical Characteristics (Continued) f = 1 kHz, 0 dBm = 775 mVrms, IM = 0.3 mA, IMP = 2 mA, RDC = 130 kΩ, Tamb = 25° C, RGSA = 560 kΩ, Zear = 68 nF + 100Ω, ZM = 68 nF, Pin 30 open (AGA), VMUTX = GND, see Figure 8-11 on page 22 (AC tests), unless otherwise specified. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit |
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