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ANALOG INPUT CHARACTERISTICS
DGND =AGND = 0 V; Logic "1" = VLS = VLC = 5 V; Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise
specified. Full scale input sine wave, 997 Hz.; OMCK = 12.288 MHz; Single speed Mode CX_SCLK = 3.072 MHz;
Double Speed Mode CX_SCLK = 6.144 MHz; Quad Speed Mode CX_SCLK = 12.288 MHz.)
Parameter
Single Speed Mode
Dynamic Range
Total Harmonic Distortion + Noise
(Note 3)
Double Speed Mode
Dynamic Range
40 kHz bandwidth unweighted
Total Harmonic Distortion + Noise
(Note 3)
40 kHz bandwidth
Quad Speed Mode
Dynamic Range
40 kHz bandwidth unweighted
Total Harmonic Distortion + Noise
(Note 3)
40 kHz bandwidth
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
4)
Common Mode Rejection Ratio
VQ Nominal Voltage
Output Impedance
Maximum allowable DC current
Symbol
(Fs=48 kHz)
A-weighted
unweighted
THD+N
-1 dB
-20 dB
-60 dB
(Fs=96 kHz)
A-weighted
unweighted
THD+N
-1 dB
-20 dB
-60 dB
-1 dB
(Fs=192 kHz)
A-weighted
unweighted
THD+N
-1 dB
-20 dB
-60 dB
-1 dB
CMRR
(T
= 25° C; VA =VARX= 5 V, VD = 3.3 V, Logic "0" =
A
CS42518-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
-
1.05VA 1.10VA 1.16VA
37
-
-
-
82
-
-
2.7
-
-
50
-
-
0.01
-
CS42518
CS42518-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
-
0.99VA 1.10VA 1.21VA
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
Vpp
Ω
k
dB
V
Ω
k
mA
7
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