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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD1884A датащи(PDF) 4 Page - Analog Devices |
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AD1884A датащи(HTML) 4 Page - Analog Devices |
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4 / 20 page  Rev. 0 | Page 4 of 20 | March 2008 AD1884A SPECIFICATIONS TEST CONDITIONS PERFORMANCE GENERAL SPECIFICATIONS Parameter Test Condition Temperature Digital Supply Analog Supply MIC_BIAS_IN (via Low-Pass Filter) Sample Rate fS Input Signal (Frequency Sine Wave) Amplitude for THD + N Analog Output Pass Band 25°C 3.3 V 3.3 V 5.0 V 48 kHz 1008 Hz –3.0 dB Full Scale 20 Hz to 20 kHz DAC 10 k Ω Output Load: Line-Out Tests 32 Ω Output Load: Headphone Tests ADC 0 dB Gain Parameter Min Typ Max Unit Line-Out Drive (10 k Ω loads—DAC to Pin) Total Harmonic Distortion (THD + N) Dynamic Range (–60 dB in ref to fS A-Weighted) Signal-to-Noise Ratio –84 90 90 dB dB dB Headphone Drive (32 Ω loads—DAC to Pin) Total Harmonic Distortion (THD + N) Dynamic Range (–60 dB in ref to fS A-Weighted) Signal-to-Noise Ratio –74 90 90 dB dB dB Microphone/Line-In (Pin to ADC, Mic Boost = 0 dB) Total Harmonic Distortion (THD + N) Dynamic Range (–60 dB in ref to fS A-Weighted) Signal-to-Noise Ratio –78 85 85 dB dB dB Parameter Min Typ Max Unit DIGITAL DECIMATION AND INTERPOLATION FILTERS—fS = 8 kHz to 192 kHz 1 Pass Band 0 0.4 fS Hz Pass-Band Ripple ±0.005 dB Stop Band 0.6 fS Hz Stop-Band Rejection –100 dB Group Delay 20 1/fS Group Delay Variation over Pass Band 0 μs ANALOG-TO-DIGITAL CONVERTERS Resolution 24 Bits Gain Error (Full-Scale Span Relative to Nominal Input Voltage) ±10 % Interchannel Gain Mismatch (Difference of Gain Errors) ±0.2 ±0.5 dB ADC Offset Error1 ±5mV ADC Crosstalk 1 Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L) –85 dB Line_In to Other –100 –80 dB |
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