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AD1812 Datasheet(PDF) 2 Page - Analog Devices |
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AD1812 Datasheet(HTML) 2 Page - Analog Devices |
2 / 20 page REV. 0 –2– AD1812–SPECIFICATIONS STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED DAC Test Conditions Temperature 0 °C Calibrated Digital Supply (VDD) 5.0 V 0 dB Attenuation Analog Supply (VCC) 5.0 V Input Full Scale 16-Bit Linear Mode Sample Rate (FS) 48 kHz 10 k Ω Output Load Input Signal 1008 Hz Mute Off Analog Output Passband 20 Hz to 20 kHz ADC Test Conditions VIH 2.0 V Calibrated 0 dB Gain VIL 0.8 V Input –1.0 dB Relative to Full Scale VOH 2.4 V Line Input Selected VOL 0.4 V 16-Bit Linear Mode ANALOG INPUT Parameter Min Typ Max Units Input Voltage (RMS Values Assume Sine Wave Input) LINE, AUX1, MONO_IN, AUX2, DACIN 1 V rms 2.55 2.83 3.11 V p-p MIC with +20 dB Gain (MGE = 1) 0.1 V rms 0.250 0.283 0.316 V p-p MIC with 0 dB Gain (MGE = 0) 1 V rms 2.55 2.83 3.11 V p-p Input Impedance* 10 17 k Ω Input Capacitance* 15 pF PROGRAMMABLE GAIN AMPLIFIER—ADC Parameter Min Typ Max Units Step Size (0 dB to 22.5 dB) 1.3 1.5 1.7 dB (All Steps Tested) PGA Gain Range Span 21.5 22.5 23.5 dB AUXILIARY, LINE, MICROPHONE AND MONO INPUT ANALOG GAIN/AMPLIFIERS/ATTENUATORS Parameter Min Typ Max Units Step Size: AUX1, AUX2, DACIN, LINE, MIC (All Steps Tested) (+12 dB to –30 dB) 1.25 1.5 1.75 dB (–31.5 dB to –34.5 dB) 1 1.5 2.0 dB Input Gain/Attenuation Range: AUX1, AUX2, DACIN, LINE, MIC 45.0 46.5 47.5 dB Step Size: MONO_IN (All Steps Tested) (0 dB to –39 dB) 2.5 3.0 3.6 dB (–42 dB to –45 dB) 2.2 3.0 3.85 dB Input Gain/Attenuation Range: MONO_IN 43 45 46 dB DIGITAL DECIMATION AND INTERPOLATION FILTERS* Parameter Min Typ Max Units Passband 0 0.4 × F S Hz Passband Ripple ±0.1 dB Transition Band 0.4 × F S 0.6 × F S Hz Stopband 0.6 × F S ∞ Hz Stopband Rejection 74 dB Group Delay 15/FS sec Group Delay Variation Over Passband 0.0 µs *Guaranteed not tested. Specifications subject to change without notice. |
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