Analog output characteristics – Cirrus Logic CS42528 User Manual
Page 9

DS586F2
9
CS42528
ANALOG OUTPUT CHARACTERISTICS
(T
A
= 25° C; VA =VARX= 5 V, VD = 3.3 V, Logic “0” = DGND =AGND = 0 V; Logic “1” = VLS = VLC = 5V; Measure-
ment 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_RCVR = 1; SW_CTRL[1:0] = ‘01’; 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.)
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