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CS4226-BQ Datasheet(PDF) 5 Page - Cirrus Logic |
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CS4226-BQ Datasheet(HTML) 5 Page - Cirrus Logic |
5 / 37 page CS4226 DS188F4 5 ANALOG CHARACTERISTICS (Full Scale Input Sine wave, 990.52 Hz; Fs = 44.1 kHz (PLL in use); Measurement Bandwidth is 20 Hz to 20 kHz, unless specified otherwise.) Notes: 3. Referenced to typical full-scale differential input voltage (2Vrms). 4. Input resistance is for the input selected. Non-selected inputs have a very high (>1M Ω) input resistance. The input resistance will vary with gain value selected, but will always be greater than the min. value specified 5. Filter characteristics scale with output sample rate. 6. The analog modulator samples the input at 5.6448 MHz for an output sample rate of 44.1 kHz. There is no rejection of input signals which are multiples of the sampling frequency (n × 5.6448 MHz ±20.0 kHz where n = 0,1,2,3...). 7. Group delay for Fs = 44.1 kHz, tgd = 15/44.1 kHz = 340 µs Parameter Symbol CS4226-KQ/-KQZ CS4226-BQ/-BQZ/-DQ Units Min Typ Max Min Typ Max Analog Input Characteristics - Minimum gain setting (0 dB) Differential Input; unless otherwise specified. ADC Resolution Stereo Audio channels Mono channel 16 16 - - 20 20 16 16 - - 20 20 Bits Bits Total Harmonic Distortion THD 0.003 - 0.003 - % Dynamic Range (A weighted, Stereo) (unweighted, Stereo) (A weighted, Mono) 92 - 89 95 92 - - - - 90 - 87 93 90 - - - - dB dB dB Total Harmonic -1 dB, Stereo (Note 3) Distortion + Noise -1 dB, Mono (Note 1) THD+N - - -88 - -82 -72 - - -86 - -80 -70 dB dB Interchannel Isolation - 90 - - 90 - dB Interchannel Gain Mismatch - 0.1 - - 0.1 - dB Programmable Input Gain Span 8 9 10 8 9 10 dB Gain Step Size 2.7 3 3.3 2.7 3 3.3 dB Offset Error (with high pass filter) - - 0 - - 0 LSB Full Scale Input Voltage (Single Ended): 0.90 1.0 1.10 0.90 1.0 1.10 Vrms Gain Drift - 100 - - 100 - ppm/°C Input Resistance (Note 4) 10 - - 10 - - k Ω Input Capacitance - - 15 - - 15 pF CMOUT Output Voltage - 2.3 - - 2.3 - V A/D Decimation Filter Characteristics Passband (Note 5) 0.02 - 20.0 0.02 - 20.0 kHz Passband Ripple - - 0.01 - - 0.01 dB Stopband (Note 5) 27.56 - 5617.2 27.56 - 5617.2 kHz Stopband Attenuation (Note 6) 80 - - 80 - - dB Group Delay (Fs = Output Sample Rate) (Note 7) tgd - 15/Fs - - 15/Fs - s Group Delay Variation vs. Frequency ∆ tgd -- 0 - - 0 µs |
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