전자부품 데이터시트 검색엔진 |
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AD1848KST 데이터시트(PDF) 2 Page - Analog Devices |
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AD1848KST 데이터시트(HTML) 2 Page - Analog Devices |
2 / 28 page AD1848K–SPECIFICATIONS REV. 0 –2– STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED Temperature 25 °C Digital Supply (VDD) 5.0 V Analog Supply (VCC) 5.0 V Word Rate (FS) 48 kHz Input Signal 1008 Hz Analog Output Passband 20 Hz to 20 kHz ADC FFT Size 2048 DAC FFT Size 8192 VIH 2.4 V VIL 0.8 V VOH 2.4 V VOL 0.4 V ANALOG INPUT Min Typ Max Units Input Voltage (RMS Values Assume Sine Wave Input) Line 1 V rms 2.6 2.8 3.0 V p-p Mic with +20 dB Gain (MGE = 1) 0.1 V rms 0.26 0.28 0.3 V p-p Mic with 0 dB Gain (MGE = 0) 1 V rms 2.6 2.8 3.0 V p-p Input Impedance 20 k Ω Input Capacitance 15 pF PROGRAMMABLE GAIN AMPLIFIER—ADC Min Typ Max Units Step Size (0 dB to 22.5 dB) 1.3 1.5 1.7 dB (All Steps Tested, –30 dB Input) PGA Gain Range Span* 21.5 22.5 23.5 dB AUXILIARY INPUT ANALOG AMPLIFIERS/ATTENUATORS Min Typ Max Units Step Size (+12.0 dB to –33.0 dB) 1.3 1.5 1.7 dB (All Steps Tested, –14.5 dB Input) Auxiliary Gain/Attenuation Range Span* 45.5 46.5 47.5 dB DAC Input Conditions Post-Autocalibrated 0 dB Attenuation –2.0 dB Relative to Full Scale 16-Bit Linear Mode No Output Load Mute Off ADC Input Conditions Post-Autocalibrated 0 dB Gain –3.0 dB Relative to Full Scale Line Input 16-Bit Linear Mode |
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