CS42418 Datasheet, PDF (55/67 Pages) Cirrus Logic – 110 dB, 192kHz 8-Ch CODEC WITH PLL

CS42418
ANALOG OUTPUT CHARACTERISTICS (T_A = 25° C; VA = 5 V, VD = 3.3 V, Logic "0" = DGND
=AGND = 0 V; Logic "1" = VLS = VLC = 5V; Measurement Bandwidth 10 Hz to 20 kHz unless otherwise specified.;
Full scale output 997 Hz sine wave, Test load R_L = 3 kΩ, C_L = 30 pF; 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
CS42418-CQ
CS42418-DQ
Symbol Min
Typ
Max Min
Typ
Max Unit
Dynamic performance for all modes
Dynamic Range(Note 8)
24-bit A-weighted
unweighted
16-bit A-Weighted
(Note 9) unweighted
104
110
101
107
-
97
-
94
-
104
110
-
dB
- 101 107
-
dB
-
-
97
-
dB
-
-
94
-
dB
Total Harmonic Distortion + Noise
THD+N
24-bit
0 dB
-
-20 dB
-
-60 dB
-
16-bit
0 dB
-
(Note 9)
-20 dB
-
-60 dB
-
-100
-91
-51
-94
-74
-34
-94
-
-
-
-
-
-
-
-
-
-
-100
-94
dB
-91
-
dB
-51
-
dB
-94
-
dB
-74
-
dB
-34
-
dB
Idle Channel Noise/Signal-to-noise
ratio
-
110
-
-
110
-
dB
Interchannel Isolation
(1 kHz)
-
90
-
-
90
-
dB
Analog Output Characteristics for all modes
Full Scale Differential Output
.88VA .92VA .94VA .88VA .92VA .94VA Vpp
Interchannel Gain Mismatch
-
0.1
-
-
0.1
-
dB
Gain Drift
Output Impedance
AC-Load Resistance
Load Capacitance
-
Z_OUT
-
R_L
3
C_L
-
100
-
-
100
- ppm/°C
100
-
-
100
-
Ω
-
-
3
-
-
kΩ
-
30
-
-
30
pF
Notes: 8. One-half LSB of triangular PDF dither is added to data.
9. Performance limited by 16-bit quantization noise.
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