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AD1981B Folha de dados(PDF) 2 Page - Analog Devices |
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AD1981B Folha de dados(HTML) 2 Page - Analog Devices |
2 / 28 page REV. B –2– AD1981B–SPECIFICATIONS STANDARD TEST CONDITIONS, UNLESS OTHERWISE NOTED Temperature 25 °C Digital Supply (DVDD) 3.3 V Analog Supply (AVDD) 5.0 V Sample Rate (FS) 48 kHz Input Signal 1008 Hz Analog Output Pass Band 20 Hz to 20 kHz DAC Test Conditions Calibrated –3 dB Attenuation Relative to Full Scale 0 dB Input 10 k Ω Output Load (LINE_OUT) 32 Ω Output Load (HP_OUT) ADC Test Conditions Calibrated 0 dB Gain Input –3.0 dB Relative to Full Scale Parameter Min Typ Max Unit ANALOG INPUT Input Voltage (RMS Values Assume Sine Wave Input) LINE_IN, AUX, CD, PHONE_IN 1 V rms 2.83 V p-p MIC_IN with +20 dB Gain 0.1 V rms 0.283 V p-p MIC_IN with 0 dB Gain 1 V rms 2.83 V p-p Input Impedance 1 20 k Ω Input Capacitance 1 5 7.5 pF MASTER VOLUME Step Size (0 dB to –46.5 dB): LINE_OUT_L, LINE_OUT_R 1.5 dB Output Attenuation Range 1 46.5 dB Step Size (0 dB to –46.5 dB): MONO_OUT 1.5 dB Output Attenuation Range 1 46.5 dB Step Size (0 dB to –46.5 dB): HP_OUT_R, HP_OUT_L 1.5 dB Output Attenuation Range Span 1 46.5 dB Mute Attenuation of 0 dB Fundamental 1 80 dB PROGRAMMABLE GAIN AMPLIFIER—ADC Step Size (0 dB to 22.5 dB) 1.5 dB PGA Gain Range 22.5 dB ANALOG MIXER—INPUT GAIN/AMPLIFIERS/ATTENUATORS Signal-to-Noise Ratio (SNR) CD to LINE_OUT 90 dB Other to LINE_OUT 1 90 dB Step Size (+12 dB to –34.5 dB) (All Steps Tested): MIC_IN, LINE_IN, CD, AUX, PHONE_IN, DAC 1.5 dB Input Gain/Attenuation Range: MIC_IN, LINE_IN, CD, AUX, PHONE_IN, DAC 46.5 dB DIGITAL DECIMATION AND INTERPOLATION FILTERS 1 Pass Band 0 0.4 fS Hz Pass-Band Ripple ±0.09 dB Transition Band 0.4 fS 0.6 fS Hz Stop Band 0.6 fS Hz Stop-Band Rejection –74 dB Group Delay 16/fS sec Group Delay Variation over Pass Band 0 µs |
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Descrição semelhante - AD1981B |
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