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CS42418 Datasheet, PDF (51/67 Pages) Cirrus Logic – 110 dB, 192kHz 8-Ch CODEC WITH PLL
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CS42418
ANALOG INPUT CHARACTERISTICS (TA = 25° C; VA = 5 V, VD = 3.3 V, Logic "0" = DGND
=AGND = 0 V; Logic "1" = VLS = VLC = 5 V; Measurement Bandwidth 10 Hz to 20 kHz unless otherwise specified.
Full scale input sine wave, 997 Hz.; OMCK = 12.288 MHz; Single speed Mode DAC_SCLK = 3.072 MHz; Double
Speed Mode DAC_SCLK = 6.144 MHz; Quad Speed Mode DAC_SCLK = 12.288 MHz.)
Parameter (Note 3)
Symbol
Single Speed Mode (Fs=48 kHz)
Dynamic Range
A-weighted
unweighted
Total Harmonic Distortion + Noise
THD+N
(Note 4)
-1 dB
-20 dB
-60 dB
Double Speed Mode (Fs=96 kHz)
Dynamic Range
A-weighted
unweighted
40 kHz bandwidth unweighted
Total Harmonic Distortion + Noise
THD+N
(Note 4)
-1 dB
-20 dB
-60 dB
40kHz bandwidth
-1 dB
Quad Speed Mode (Fs=192 kHz)
Dynamic Range
A-weighted
unweighted
40 kHz bandwidth unweighted
Total Harmonic Distortion + Noise
THD+N
(Note 4)
-1 dB
40 kHz bandwidth
-20 dB
-60 dB
-1 dB
Dynamic Performance for All Modes
Interchannel Isolation
Interchannel Phase Deviation
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Offset Error HPF_FREEZE enabled
HPF_FREEZE disabled
Analog Input
Full-scale Differential Input Voltage
Input Impedance(differential) (Note 5)
Common Mode Rejection Ratio
CMRR
VQ Nominal Voltage
Output Impedance
Maximum allowable DC current
CS42418-CQ
Min
Typ
Max
108
114
-
105
111
-
-
-100
-94
-
-91
-
-
-51
-
108
114
-
105
111
-
-
108
-
-
-100
-94
-
-91
-
-
-51
-
-
-97
-
108
114
-
105
111
-
-
108
-
-
-100
-94
-
-91
-
-
-51
-
-
-97
-
-
110
-
-
0.0001
-
-
0.1
-
-
+/-100
-
-
0
-
-
100
-
1.9
2.0
2.1
37
-
-
-
82
-
-
2.7
-
-
50
-
-
0.01
-
CS42418-DQ
Min
Typ
Max
106
114
-
103
111
-
-
-100
-92
-
-91
-
-
-51
-
106
114
-
103
111
-
-
108
-
-
-100
-92
-
-91
-
-
-51
-
-
-97
-
106
114
-
103
111
-
-
108
-
-
-100
-92
-
-91
-
-
-51
-
-
-97
-
-
110
-
-
0.0001
-
-
0.1
-
-
+/-100
-
-
0
-
-
100
-
1.8
2.0
2.2
37
-
-
-
82
-
-
2.7
-
-
50
-
-
0.01
-
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Degree
dB
ppm/°C
LSB
LSB
Vrms
kΩ
dB
V
kΩ
mA
51
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