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CS4297 Datasheet(PDF) 6 Page - Cirrus Logic |
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CS4297 Datasheet(HTML) 6 Page - Cirrus Logic |
6 / 46 page 6 DS242F5 CS4297 CrystalClear™ SoundFusion™ Audio Codec ’97 POWER DOWN STATES DIGITAL FILTER CHARACTERISTICS Notes: 5. Stop Band rejection determines filter requirements. Out-of-band rejection determines audible noise. 6. The integrated Out-of-Band generated by the DAC process, during normal PCM audio playback, over a bandwidth 28.8 kHz to 100 kHz, with respect to a 1 VRMS DAC output. Parameter Min Typ Max Unit Full Power 3.3 V digital 5 V digital 5 V analog - 12.7 21.4 35.0 - mA ADCs and Input Mux Powerdown (PR0) 3.3 V digital 5 V digital 5 V analog - 5.32 9.80 23.1 - mA DACs Powerdown (PR1) 3.3 V digital 5 V digital 5 V analog - 9.25 16.0 30.0 - mA Analog Mixer Powerdown, Vref on (PR2) 3.3 V digital 5 V digital 5 V analog - 9.20 16.0 10.7 - mA Analog Mixer Powerdown, Vref off (PR3) 3.3 V digital 5 V digital 5 V analog - 5.30 9.80 ~0.00 - mA AC-Link Powerdown (PR4) 3.3 V digital 5 V digital 5 V analog - 3.30 6.92 23.0 - mA Internal Clock Disable (PR5) 3.3 V digital 5 V digital 5 V analog - 0.004 0.005 0.001 - mA Alternate Line Output Buffer Powerdown (PR6) 3.3 V digital 5 V digital 5 V analog - 5.30 9.80 20.3 - mA Parameter CS4297-KQ CS4297-JQ Unit Min Typ Max Min Typ Max Transition Band 0.4 × Fs - 0.6 × Fs 0.4 × Fs - 0.6 × Fs Hz Stop Band 0.6 × Fs -- 0.6 × Fs -- Hz Stop Band Rejection (Note 4, 5) 74 - - 74 - - dB Out-of-Band Energy (Note 6) - -82 - - -40 - dB Group Delay (Note 4) - - 1 - - 1 ms |
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