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CS42438 Fiches technique(PDF) 19 Page - Cirrus Logic

No de pièce CS42438
Description  108 dB, 192 kHz 6-in, 8-out TDM CODEC
Download  64 Pages
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Fabricant  CIRRUS [Cirrus Logic]
Site Internet  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42438 Fiches technique(HTML) 19 Page - Cirrus Logic

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DS646PP2
19
Notes: 10. Guaranteed by design. The DC current draw represents the allowed current draw from the AOUT pin
due to typical leakage through the electrolytic DC blocking capacitors.
11. One-half LSB of triangular PDF dither is added to data.
12. Guaranteed by design. See Figure 3. RL and CL reflect the recommended minimum resistance and
maximum capacitance required for the internal op-amp's stability and signal integrity. In this circuit
topology, CL will effectively move the dominant pole of the two-pole amp in the output stage. Increasing
this value beyond the recommended 100 pF can cause the internal op-amp to become unstable. See
Appendix A for a recommended output filter.
All Speed Modes
Interchannel Isolation
(1 kHz)
-
100
-
-
100
-
dB
Analog Output
Full Scale Output
1.210•VA
1.300•VA
1.392•VA 0.605•VA 0.650•VA 0.696•VA
Vpp
Interchannel Gain Mismatch
-
0.1
0.25
-
0.1
0.25
dB
Gain Drift
-
±100
-
-
±100
-
ppm/°C
Output Impedance
-
100
-
-
100
-
Ω
DC Current draw from an AOUT pin
(Note 10)
--
10
-
-
10
µA
AC-Load Resistance (RL)
(Note 12)
3-
-
3
-
-
k
Ω
Load Capacitance (CL)
(Note 12)
-
-
100
-
-
100
pF
100
50
75
25
2.5
510
15
Safe Operating
Region
Resistive Load -- R
(k
Ω )
L
125
3
20
AOUTxx
3.3 µF
Analog
Output
C
L
+
R
L
DAC1-4
AGND
Figure 3. Output Test Load
Figure 4. Maximum Loading


Numéro de pièce similaire - CS42438

FabricantNo de pièceFiches techniqueDescription
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Cirrus Logic		 CS42438 CIRRUS-CS42438 Datasheet
1Mb / 62P		    108 dB, 192 kHz 6-in, 8-out TDM CODEC
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Description similaire - CS42438

FabricantNo de pièceFiches techniqueDescription
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1Mb / 61P		    108 dB, 192 kHz 6-In, 8-Out TDM CODEC
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