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CS47048 데이터시트(PDF) 24 Page - Cirrus Logic |
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CS47048 데이터시트(HTML) 24 Page - Cirrus Logic |
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24 / 34 page ![]() CS47048 Data Sheet Audio SOC Processor Family 24 Copyright 2008 Cirrus Logic DS787A7 5.16 ADC Characteristics 5.16.1 Analog Input Characteristics (Commercial) (Test Conditions (unless otherwise specified): TA = 0 to +70°C; VDD = 1.8 V±5%, VDDA (VA)= 3.3 V±5%; 1 kHz sine wave driven through the passive input filter (Ri=10kΩ) in Figure 11 on page 26 or Figure 12 on page 26; DSP running test application; Measurement Bandwidth is 10 Hz to 20 kHz.) Differential Single-Ended Parameter Min Typ Max Min Typ Max Unit Fs= 96 kHz, 192 kHz Dynamic Range1,6,7 A-weighted unweighted 40 kHz bandwidth unweighted 99 96 - 105 102 99 - - - 96 93 102 99 96 - - - dB dB dB Total Harmonic Distortion + Noise6,7 -1 dB -20 dB -60 dB 40 kHz bandwidth -1 dB - - - - -98 -82 -42 -90 -92 - - - - - - - -95 -79 -39 -90 -89 - - - dB dB dB dB AIN_1A/B Interchannel Isolation - 95 - - 95 - dB AIN_[2..6]A/B MUX Interchannel Isolation - 95 - - 95 - dB DC Accuracy Interchannel Gain Mismatch - 0.1 - - 0.1 - dB Gain Drift - ±120 - - ±120 - ppm/°C Analog Input Full-Scale Input Voltage2,3 3.3•VA 3.5•VA 3.7•VA 1.65•VA 1.75•VA 1.85•VA VPP Differential Input Impedance4 - 400 - - - - Ω Single-Ended Input Impedance5 -- - - 200 - Ω Common Mode Rejection Ratio (CMRR)8 -60 - - - - dB Parasitic Load Capacitance (CL) 9 -- 20 -- 20 pF |
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