CS42518
ANALOG INPUT CHARACTERISTICS
(T = 25° C; VA =VARX= 5 V, VD = 3.3 V, Logic “0” = DGND =AGND = 0 V; Logic “1” = VLS = VLC = 5 V; Mea-
A
surement Bandwidth is 10 Hz to 20 kHz unless otherwise specified. Full-scale input sine wave, 997 Hz.;
PDN_RCVR = 1; SW_CTRL[1:0] = ‘01’; OMCK = 12.288 MHz; Single-Speed Mode CX_SCLK = 3.072 MHz; Dou-
ble-Speed Mode CX_SCLK = 6.144 MHz; Quad-Speed Mode CX_SCLK = 12.288 MHz.)
CS42518-CQZ
Typ
CS42518-DQZ
Typ
Parameter
Single-Speed Mode (Fs=48 kHz)
Dynamic Range A-weighted
unweighted
Symbol Min
108
Max Min
Max
Unit
114
111
-
-
106
103
114
111
-
-
dB
dB
105
Total Harmonic Distortion + Noise
(Note 3)
-1 dB
-20 dB
-60 dB
-
-
-
-100
-91
-51
-94
-
-
-
-
-
-100
-91
-51
-92
-
-
dB
dB
dB
THD+N
Double-Speed Mode (Fs=96 kHz)
Dynamic Range A-weighted
unweighted
108
105
-
114
111
108
-
-
-
106
103
-
114
111
108
-
-
-
dB
dB
dB
40 kHz bandwidth unweighted
Total Harmonic Distortion + Noise
(Note 3)
-1 dB
-20 dB
-60 dB
-1 dB
-
-
-
-
-100
-91
-51
-97
-94
-
-
-
-
-100
-91
-51
-97
-92
dB
dB
dB
dB
THD+N
-
-
-
-
-
-
40 kHz bandwidth
Quad-Speed Mode
Dynamic Range
(Fs=192 kHz)
A-weighted
unweighted
108
105
-
114
111
108
-
-
-
106
103
-
114
111
108
-
-
-
dB
dB
dB
40 kHz bandwidth unweighted
Total Harmonic Distortion+ Noise
(Note 3)
-1 dB
-20 dB
-60 dB
-1 dB
-
-
-
-
-100
-91
-51
-97
-94
-
-
-
-
-100
-91
-51
-97
-92
dB
dB
dB
dB
THD+N
-
-
-
-
-
-
40 kHz bandwidth
Dynamic Performance for All Modes
Interchannel Isolation
-
-
110
-
-
-
-
110
-
-
dB
Interchannel Phase Deviation
0.0001
0.0001
Degree
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
-
-
0.1
-
-
-
-
0.1
-
-
dB
+/-100
+/-100
ppm/°C
Offset Error
HPF_FREEZE disabled
HPF_FREEZE enabled
-
-
0
100
-
-
-
-
0
100
-
-
LSB
LSB
Analog Input
Full-scale Differential Input Voltage
Input Impedance (Differential) (Note 4)
Common Mode Rejection Ratio
1.05 VA 1.10 VA 1.16 VA 0.99 VA 1.10 VA 1.21 VA
Vpp
kΩ
dB
17
-
-
-
-
17
-
-
-
-
CMRR
82
82
Notes:
3. Referred to the typical full-scale voltage.
4. Measured between AIN+ and AIN-
8
DS584F1
CIRRUS [ CIRRUS LOGIC ]
