CS4365
DAC ANALOG CHARACTERISTICS - COMMERCIAL (-CQZ)
Test Conditions (unless otherwise specified): VA = VLS = VLC = 5 V; VD = 2.5 V; T A = 25°C; Full-scale 997 Hz
input sine wave (Note 1) ; Tested under max ac-load resistance ; Valid with FILT+ and VQ capacitors as shown in
“Typical Connection Diagram” on page 19 ; Measurement Bandwidth 10 Hz to 20 kHz.
Parameters
Symbol
Min
Typ
Max
Unit
Fs = 48 kHz, 96 kHz, 192 kHz and DSD
Dynamic Range
24-bit
A-weighted
108
114
-
dB
unweighted
16-bit A-weighted
(Note 2) unweighted
105
-
-
111
97
94
-
-
-
dB
dB
dB
Total Harmonic Distortion + Noise
24-bit
0 dB
-20 dB
-60 dB THD+N
-
-
-
-100
-91
-51
-94
-
-45
dB
dB
dB
(Note 2) 16-bit
Idle Channel Noise / Signal-to-noise ratio
Interchannel Isolation
0 dB
-20 dB
-60 dB
A-weighted
(1 kHz)
-
-
-
-
-
-94
-74
-34
114
110
-
-
-
-
-
dB
dB
dB
dB
dB
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
-
-
0.1
100
-
-
dB
ppm/°
C
Analog Output
Full-Scale Differential-
Output Voltage (Note 3)
PCM, DSD processor
Direct DSD Mode
V FS
1.28?V A
0.90?V A
1.32?V A
0.94?V A
1.36?V A
0.98?V A
Vpp
Vpp
Output Impedance
Max DC Current draw from an AOUT pin
Min AC-Load Resistance
Max Load Capacitance
Quiescent Voltage
Max Current draw from VQ
Z OUT
I OUTmax
R L
C L
VQ
I QMAX
-
-
-
-
-
-
130
1.0
3
100
50% V A
10
-
-
-
-
-
-
Ω
mA
k Ω
pF
VDC
μ A
Notes:
1.
One-half LSB of triangular PDF dither is added to data.
2. Performance limited by 16-bit quantization noise.
3. V FS is tested under load R L and includes attenuation due to Z OUT .
DS670F2
9
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