Cirrus Logic CS42428 - Manual (Page 9)

DS605F2 9
CS42428
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 k ,
C
L
= 30 pF; PDN_PLL = 1; 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.)
Notes:
7. One LSB of triangular PDF dither is added to data.
8. Performance limited by 16-bit quantization noise.
Parameter Symbol Min Typ Max Unit
Dynamic performance for all modes
Dynamic Range (Note 7)
24-bit A-Weighted
unweighted
16-bit A-Weighted
(Note 8) unweighted
108
105
-
-
114
111
97
94
-
-
-
- dB
dB
dB
dB
Total Harmonic Distortion + Noise
24-bit 0 dB
-20 dB
-60 dB
16-bit 0 dB
(Note 8) -20 dB
-60 dB
THD+N
-
-
-
-
-
- -100
-91
-51
-94
-74
-34
-94
-
-
-
-
dB
dB
dB
dB
dB
dB
Idle Channel Noise/Signal-to-Noise Ratio (A-Weighted) - 114 - dB
Interchannel Isolation (1 kHz) - 90 - dB
Analog Output Characteristics for all modes
Unloaded Full-Scale Differential Output Voltage V
FS
.89 VA .94 VA .99 VA Vpp
Interchannel Gain Mismatch - 0.1 - dB
Gain Drift - 300 - ppm/°C
Output Impedance Z
OUT
- 150 - 
AC-Load Resistance R
L
3 - - k 
Load Capacitance C
L
- - 30 pF