Cirrus Logic CS42518 - Manual (Page 7)

DS584F2 7
CS42518
ANALOG INPUT CHARACTERISTICS
(T
A
= 25° C; VA =VARX= 5 V, VD = 3.3 V, Logic “0” = DGND =AGND = 0 V; Logic “1” = VLS = VLC = 5 V; Mea-
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.)
Notes:
3. Referred to the typical full-scale voltage.
4. Measured between AIN+ and AIN-
Parameter Symbol Min Typ Max Unit
Single-Speed Mode (Fs=48 kHz)
Dynamic Range
A-weighted
unweighted
108
105 114
111
-
- dB
dB
Total Harmonic Distortion + Noise
(Note 3) -1 dB
-20 dB
-60 dB
THD+N
-
-
- -100
-91
-51
-94
-
-
dB
dB
dB
Double-Speed Mode (Fs=96 kHz)
Dynamic Range
A-weighted
unweighted
40 kHz bandwidth unweighted
108
105
-
114
111
108
-
-
- dB
dB
dB
Total Harmonic Distortion + Noise
(Note 3) -1 dB
-20 dB
-60 dB
40 kHz bandwidth -1 dB
THD+N
-
-
-
- -100
-91
-51
-97
-94
-
-
-
dB
dB
dB
dB
Quad-Speed Mode (Fs=192 kHz)
Dynamic Range
A-weighted
unweighted
40 kHz bandwidth unweighted
108
105
-
114
111
108
-
-
- dB
dB
dB
Total Harmonic Distortion+ Noise
(Note 3) -1 dB
-20 dB
-60 dB
40 kHz bandwidth -1 dB
THD+N
-
-
-
- -100
-91
-51
-97
-94
-
-
-
dB
dB
dB
dB
Dynamic Performance for All Modes
Interchannel Isolation - 110 - dB
Interchannel Phase Deviation - 0.0001 - Degree
DC Accuracy
Interchannel Gain Mismatch - 0.1 - dB
Gain Drift - +/-100 - ppm/°C
Offset Error HPF_FREEZE disabled
HPF_FREEZE enabled
-
- 0
100
-
- LSB
LSB
Analog Input
Full-scale Differential Input Voltage 1.05 VA 1.10 VA 1.16 VA Vpp
Input Impedance (Differential) (Note 4) 17 - - k 
Common Mode Rejection Ratio CMRR - 82 - dB