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AD1845 Scheda tecnica(PDF) 3 Page - Analog Devices |
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AD1845 Scheda tecnica(HTML) 3 Page - Analog Devices |
3 / 40 page ANALOG-TO-DIGITAL CONVERTERS Min Typ Max Units Resolution 16 Bits Dynamic Range (–60 dB Input, THD+N Referenced to Full Scale, A-Weighted) 73 81 dB THD+N (Referenced to Full Scale) 0.025 % –76 –72 dB Signal-to-Intermodulation Distortion 85 dB ADC Crosstalk* Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L) –90 –80 dB Line to MIC (Input LINE, Ground and Select MIC, Read ADC) –90 –80 dB Line to AUX1 –90 –80 dB Line to AUX2 –90 –80 dB Gain Error (Full-Scale Span Relative to Nominal Input Voltage) –18.5 +10 % Interchannel Gain Mismatch (Difference of Gain Errors) ±0.9 dB ADC Offset Error 10 mV DIGITAL-TO-ANALOG CONVERTERS Min Typ Max Units Resolution 16 Bits Dynamic Range (–60 dB Input, THD+N Referenced to Full Scale, A-Weighted) 74 82 dB THD+N (Referenced to Full Scale) 0.032 % –78 –70 dB Signal-to-Intermodulation Distortion 90 dB Gain Error (Full-Scale Span Relative to Nominal Output Voltage) –14.5 +10 % Interchannel Gain Mismatch (Difference of Gain Errors) ±0.6 dB DAC Crosstalk* (Input L, Zero R, Measure R_OUT; Input R, Zero L, Measure L_OUT) –80 dB Total Out-of-Band Energy (Measured from 0.6 × F S to 100 kHz)* –50 dB Audible Out-of-Band Energy (Measured from 0.6 × F S to 20 kHz)* –70 dB DAC ATTENUATOR Min Typ Max Units Step Size (0 dB to –22.5 dB) 1.3 1.5 1.7 dB Step Size (–22.5 dB to –94.5 dB)* 1.0 1.5 2.0 dB Output Attenuation Range Span* 93.5 94.5 95.5 dB ANALOG OUTPUT Min Typ Max Units Full-Scale Output Voltage OL = 0 1.7 2.0 2.2 V p-p OL = 1 2.4 2.83 3.11 V p-p Output Impedance* 600 Ω External Load Impedance 10 k Ω Output Capacitance* 15 pF External Load Capacitance 100 pF VREF 2.05 2.25 2.60 V VREF Current Drive 100 µA VREF Output Impedance 4k Ω Mute Attenuation of 0 dB Fundamental* (L_OUT, R_OUT, M_OUT) –80 dB Mute Click (Muted Output Minus Unmuted Midscale DAC Output)* ±5mV *Guaranteed, not tested. AD1845 –3– REV. C |
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