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CDB4812 Fiches technique(PDF) 4 Page - Cirrus Logic |
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CDB4812 Fiches technique(HTML) 4 Page - Cirrus Logic |
4 / 36 page CS4812 4 DS291PP3 1. CHARACTERISTICS AND SPECIFICATIONS ADC CHARACTERISTICS (T A = 25°C; VA, VD = + 5V; -1 dB Full Scale Input Sine wave, 997 Hz; Fs = 48 kHz; XTI = 12.288 MHz (PLL disabled). Measurement Bandwidth is 20 Hz to 20 kHz.) Notes: 1. Referenced to typical full-scale differential input voltage (2 Vrms). 2. Bench tested only. 3. Filter characteristics scale with output sample rate. 4. Group delay for Fs = 48 kHz, tgd = 15/48 kHz = 313 µs. 5. Measured using differential analog input circuit, see Figure 10. 6. Filter Response is not tested but guaranteed by design. Parameters Symbol Min Typ Max Units Analog Input Characteristics ADC Conversion Stereo Audio channels 16 - 24 Bits Dynamic Range (A weighted, Note 5) (unweighted, Note 5) 93 90 100 97 - - dB dB Total Harmonic Distortion + Noise (Note 1,5) (PLL enabled) (Note 1,2,5) THD+N - - -92 -92 -87 - dB Interchannel Isolation - 90 - dB Interchannel Gain Mismatch - 0.1 - dB Offset Error (with high pass filter enabled) (Note 6) - - 0 LSB Full Scale Input Voltage (Differential) 1.9 2.0 2.1 Vrms Gain Drift (Note 2) - 100 - ppm/°C Input Resistance 10 - - k Ω Input Capacitance - - 15 pF CMOUT Output Voltage - 2.3 - V Common Mode Rejection Ratio (Note 2) CMRR 60 dB Group Delay (Fs = Output Sample Rate) (Note 4) tgd -15/Fs - s Group Delay Variation vs. Frequency ∆tgd -- 0 µs High Pass Filter Characteristics Frequency Response -3dB (Note 3) -0.14dB (Note 3) - - 3.7 20 - - Hz Hz Phase Deviation @ 20 Hz (Note 3) - 10 - Degree Passband Ripple - - 0 dB |
Numéro de pièce similaire - CDB4812 |
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Description similaire - CDB4812 |
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