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CS4228A 数据表(PDF) 5 Page - Cirrus Logic |
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CS4228A 数据表(HTML) 5 Page - Cirrus Logic |
5 / 32 page CS4228A 5 ANALOG CHARACTERISTICS (Test conditions (unless otherwise specified): Input test signal is a 997 Hz sine wave at 0 dBFS; measurement bandwidth is 10 Hz to 20 kHz; test load RL =10kΩ,CL =15pF) Notes: 4. Referenced to typical full-scale differential input voltage (2 Vrms). Tested at -1 dBFS 5. Filter characteristics scale with output sample rate. 6. The analog modulator samples the input at 128 times Fs. For example, to obtain an output sample rate of 48 kHz the input must be sampled at 6.144 MHz. There is no rejection of input signals which are multiples of the sampling frequency (n × 6.144 MHz ±20.0 kHz where n = 0,1,2,3...). 7. High Pass Filter characteristics are specified for Fs=44.1 kHz. Base Rate Mode High Rate Mode Parameter Symbol Min Typ Max Min Typ Max Units Analog Input Characteristics - Minimum gain setting (0 dB) Differential Input; unless otherwise specified. Dynamic Range, -60 dBFS input (A weighted) (unweighted) 91 97 94 - - 91 97 94 - - dB dB Total Harmonic Distortion + Noise (Note 4) THD+N - -88 -83 - -88 -83 dB Interchannel Isolation - 100 - - 100 - dB Interchannel Gain Mismatch - 0.1 - - 0.1 - dB Offset Error (with high pass filter) - - 0 - - 0 LSB Full Scale Input Voltage (Differential): 5.24 5.66 6.09 5.24 5.66 6.09 Vp-p Gain Drift - 100 - - 100 - ppm/°C Input Resistance 10 - - 10 - - k Ω Input Capacitance - - 15 - - 15 pF A/D Decimation Filter Characteristics Passband (Note 5) 0.022 - 21.77 0.022 - 43.54 kHz Passband Ripple - - 0.01 - - 0.05 dB Stopband (Note 5) 30.0 - 6114 72.41 - 6071 kHz Stopband Attenuation (Note 6) 80 - - 45 - - dB Group Delay tgd - 17/Fs - - 17/Fs - s Group Delay Variation vs. Frequency ∆ tgd -- 0 - - 0 µs High Pass Filter Characteristics Frequency Response: -3 dB (Note 7) -0.13 dB - - 3.4 20 - - - - 3.4 20 - - Hz Hz Phase Deviation @ 20 Hz (Note 7) - 10 - - 10 - Degree Passband Ripple - - 0 - - 0 dB |
类似零件编号 - CS4228A |
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类似说明 - CS4228A |
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