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U4082BG-S28-T Datasheet(PDF) 6 Page - Unisonic Technologies |
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U4082BG-S28-T Datasheet(HTML) 6 Page - Unisonic Technologies |
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6 / 13 page  UNISONIC TECHNOLOGIES CO., LTD U4082B LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 6 of 13 www.unisonic.com.tw QW-R108-020.A ELECTRICAL CHARACTERISTICS(Cont.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Microphone Amplifier ( VMUT< 0.8V, AVCL=31dB, unless otherwise specified) Output Offset MCOVOS VMCO-VB, RF=180 kΩ -50 0 50 mV Open Loop Gain AVOLM F<100Hz 70 80 dB Gain Bandwidth GBWM 1 MHz Output High Voltage VMCOH IOUT =1mA, VCC=5V 3.7 V Output Low Voltage VMCOL IOUT =1mA 200 mV Input Bias Current IBM @MCI -40 nA Muting( ΔGain) GMT f=1kHz, VMUT=2V 300Hz<f<10kHz -55 -68 dB MUT Input Resistance RMUT VCC=VMUT=6.5V 50 90 kΩ MUT High Input Voltage VMUTH 2 Vcc V MUT Low Input Voltage VMUTL 0 0.8 V Distortion THDM 300Hz<f<10kHz 0.15 % HYBID AMPLIFIER HTO-Offset HVOS VHTO-~VB, RF=51kΩ -20 0 20 mV HTO- to HTO+ Offset HBVOS RF =51kΩ -30 0 30 mV Open Loop Gain AVOLH HTI to HTO-, F<100Hz 60 80 dB Gain Bandwidth GBWH 1 MHz Closed Loop Gain AVCLH HTO- to HTO+ -0.35 0 0.35 dB Input Bias Current(@HTI) IBH -30 nA HTO- High Voltage VHT-H IOUT =-5mA 3.7 V HTO- Low Voltage VHT-L IOUT =+5mA 250 mV HTO+ High Voltage VHT+H IOUT =-5mA 3.7 V HTO+ Low Voltage VHT+L IOUT =+5mA 450 mV Distortion THDM 300Hz<f<10kHz 0.3 % Level Detectors And Background Noise Monitors Transmit-Receive Switching Threshold( Ratio of Current at RLI1+RLI2 to 20 μA at TLI1+TLI2 to Switch from Tx to Rx) ITH 0.8 1 1.2 Source Current at RLO1, RLO2, TLO1, TLO2 ILSO -2 mA Sink Current at RLO1, RLO2, TLO1, TLO2 ILSK 4 µA CPR, CPT Output Resistance RCP IOUT =1.5mA 35 Ω CPR, CPT Leakage Current ICPLK -0.2 µA Filter Voltage Offset at FO FOVOS VFO-VB, 220kΩ from VB to FI -200 -90 0 mV FO Sink Current IFO 150 260 400 µA FI Bias Current IFI -50 nA SYSTEM Distortion (f=1kHz) RX Mode THDR from FI to RXO, FO connected to RXI 0.5 3 % TX Mode THD from MCI to HTO-/HTO+, includes TX attenuator 0.8 3 % |
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