전자부품 데이터시트 검색엔진 |
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AD1985 데이터시트(PDF) 4 Page - Analog Devices |
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AD1985 데이터시트(HTML) 4 Page - Analog Devices |
4 / 48 page AD1985 Rev. A | Page 4 of 48 SPECIFICATIONS Table 1. Test Conditions, Unless Otherwise Noted Parameter Value/Condition Unit TEMPERATURE 25 °C DIGITAL SUPPLY (DVDD) 3.3 V ANALOG SUPPLY (AVDD) 5.0 V SAMPLE RATE (fS) 48 kHz INPUT SINE WAVE SIGNAL 1,008 Hz ANALOG OUTPUT PASS BAND 20 to 20,000 Hz Calibrated Output –3 dB relative to full scale 10 kΩ output load: line 32 Ω output load: headphone 2 kΩ output load: center and LFE DAC TEST CONDITIONS 47.5 kΩ output load: mono Calibrated 0 dB PGA gain ADC TEST CONDITIONS Input –3 dB relative to full scale CLOCK 24.576 MHz ANALOG INPUT Table 2. Parameter Min Typ Max Unit INPUT VOLTAGE LINE_IN, CD, AUX, PHONE_IN 1 V rms 2.83 V p-p MIC_IN with +30 dB Preamp 0.032 V rms 0.089 V p-p MIC_IN with +20 dB Preamp 0.1 V rms 0.283 V p-p MIC_IN with +10 dB Preamp 0.316 V rms 0.894 V p-p MIC_IN with 0 dB Preamp 1 V rms 2.83 V p-p Input Impedance1 20 kΩ Input Capacitance1 5 7.5 pF MASTER VOLUME Table 3. Parameter Min Typ Max Unit STEP SIZE (LINE OUT, MONO OUT, SURROUND OUT, CENTER, LFE) 1.5 dB OUTPUT ATTENUATION RANGE (0 dB TO −46.5 dB) 46.5 dB MUTE ATTENUATION OF 0 dB FUNDAMENTAL1 80 dB PROGRAMMABLE GAIN AMPLIFIER—ADC Table 4. Parameter Min Typ Max Unit STEP SIZE (0 dB TO +22.5 dB) 1.5 dB PGA GAIN RANGE 22.5 dB 1 Guaranteed, not tested. |
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