Cirrus-logic CS42L56 Manuel d'utilisateur Page 25

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DS851F2 25
CS42L56
ANALOG OUTPUT ATTENUATION CHARACTERISTICS
Test Conditions (unless otherwise specified): Connections to the CS42L56 are shown in the “Typical Connection Diagrams” on
page 11; GND = AGND = 0 V. Attenuation is referenced to the full-scale voltage for the given output. Test load R
L
= 3 k
C
L
= 150 pFfor a line load, and test load R
L
=16  C
L
= 150 pF for a headphone load (See Figure 6 and Figure 7 on page 21).
Notes:
26. Assumes no external impedance on HPREF or LINEREF. External impedance on HPREF or LINEREF
will impact the attenuation.
Power Status
Parameters
Headphone Line
Min Typ Max Units
Headphone Mute Attenuation (HPxMUTE=1) (Note 26)
OFF
OFF
ON
ON
OFF
ON
OFF
ON
-
-
-
-
90
90
90
90
-
-
-
-
dB
dB
dB
dB
Line Mute Attenuation (LINExMUTE=1) (Note 26)
OFF
OFF
ON
ON
OFF
ON
OFF
ON
-
-
-
-
90
90
90
90
-
-
-
-
dB
dB
dB
dB
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