Dac analog characteristics, Cs4353 dac analog characteristics – Cirrus Logic CS4353 User Manual
Page 7
DS803F3
7
CS4353
DAC ANALOG CHARACTERISTICS
Test conditions (unless otherwise specified): T
A
= 25 °C; VCP = VA = 3.3 V; AOUT_REF = AGND = DGND =
CPGND = 0 V; VBIAS, VFILT+/-, and FLYP/N+/- capacitors as shown in
; input test signal is a
997 Hz sine wave at 0 dBFS; measurement bandwidth 10 Hz to 20 kHz.
Notes: 2.
Measured at the output of the external LPF on AOUTx as shown in
3.
One LSB of triangular PDF dither is added to data.
4.
Measured with the specified minimum AC-Load Resistance present on the AOUTx pins.
5.
Measured between the AOUTx and AOUT_REF pins.
6.
External impedance between the AOUTx pin and the load will lower the voltage delivered to the load.
7.
V
PP
is the controlling specification. V
RMS
specification valid for sine wave signals only.
Note that for sine wave signals:
8.
Measured with AOUT_REF connected directly to ground. External impedance between AOUT_REF
and ground will lower the AOUT_REF rejection.
1_2VRMS = 0
1_2VRMS = 1
Parameter
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Dynamic Performance, Fs = 48, 96, and 192 kHz (Notes
,
Dynamic Range
24-bit A-Weighted
unweighted
16-bit A-Weighted
unweighted
94
91
-
-
100
97
92
89
-
-
-
-
100
97
-
-
106
103
98
95
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise
24-bit 0 dB
-20 dB
-60 dB
16-bit 0 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
-
-93
-77
-37
-93
-75
-29
-87
-71
-31
-
-
-
-
-
-
-
-
-
-
-93
-83
-43
-93
-75
-35
-87
-77
-37
-
-
-
dB
dB
dB
dB
dB
dB
Idle Channel Noise / Signal-to-Noise Ratio
(A-wt)
-
100
-
-
106
-
dB
Interchannel Isolation
(1 kHz)
-
115
-
-
115
-
dB
Analog Output
)
Full Scale AOUTx Output Voltage
(Notes
,
1.02
1.08
1.13
2.04
2.15
2.26
V
RMS
2.89
3.05
3.20
5.78
6.09
6.40
V
pp
Max Current Draw from an AOUTx Pin
I
OUTmax
-
575
-
-
575
-
A
Interchannel Gain Mismatch
-
0.1
-
-
0.1
-
dB
Output Offset
-
±5
±8
-
±5
±8
mV
Gain Drift
-
100
-
-
100
-
ppm/°C
Output Impedance
Z
OUT
-
100
-
-
100
-
AC-Load Resistance
R
L
5
-
-
5
-
-
k
Load Capacitance
C
L
-
-
1000
-
-
1000
pF
AOUT_REF Rejection
,
AOR
-
40
-
-
40
-
dB
Analog Reference Input
AOUT_REF Input Voltage
-
-
0.2
-
-
0.2
Vpp
V
RMS
V
pp
2 2
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=