Cirrus-logic CDB53L30 Uživatelský manuál stáhnout pdf (Strana 19)

19 DS963DB1

CDB53L30

5 Performance Plots

Figure 5-11. Frequency Response, Notch Filter Disabled,

Preamp Enabled (+10 dB or +20 dB), –1 dBFS

Figure 5-12. Frequency Response, Notch Filter Enabled,

Preamp Enabled (+10 dB or +20 dB), –1 dBFS

Figure 5-13. Frequency Response, FS

ext

= 8 kHz, Notch Filter

Disabled, Preamp Bypassed (0 dB), –1 dBFS

Figure 5-14. Frequency Response, FS

ext

= 8 kHz, Notch Filter

Enabled, Preamp Bypassed (0 dB), –1 dBFS

Figure 5-15. Frequency Response, FS

ext

= 8 kHz, Notch Filter

Disabled, Preamp Enabled (+10 dB or +20 dB), –1 dBFS

Figure 5-16. Frequency Response, FS

ext

= 8 kHz, Notch Filter

Enabled, Preamp Enabled (+10 dB or +20 dB), –1 dBFS

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Note: The low-frequency roll-off

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Note: The low-frequency roll-off

is due to the corner frequency set

by the DC blocking cap (0.1 F)

and the input impedance (50 k



when the preamp setting is 0 dB).

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