CS4385-CQZ Просмотр технического описания (PDF) - Cirrus Logic
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CS4385-CQZ Datasheet PDF : 55 Pages
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CS4385
DAC ANALOG CHARACTERISTICS - AUTOMOTIVE (-DQZ)
Test Conditions (unless otherwise specified): VA = 4.75 to 5.25 V; VLS = 1.71 to 5.25 V; VLC = 1.71 to 5.25 V;
VD = 2.37 to 2.63 V; TA = -40°C to 85°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; Measure-
ment Bandwidth 10 Hz to 20 kHz.
Parameters
Symbol
Fs = 48 kHz, 96 kHz, 192 kHz and DSD
Dynamic Range (Note 1)
24-bit A-weighted
unweighted
16-bit A-weighted
(Note 2) unweighted
Total Harmonic Distortion + Noise
24-bit
(Note 2) 16-bit
(Note 1)
0 dB
-20 dB
-60 dB THD+N
0 dB
-20 dB
-60 dB
Idle Channel Noise / Signal-to-noise ratio
A-weighted
Interchannel Isolation
(1 kHz)
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Analog Output
Full-Scale Differential-
Output Voltage (Note 3)
PCM, DSD processor
Direct DSD Mode
VFS
Output Impedance
Max DC Current draw from an AOUT pin
Min AC-Load Resistance
Max Load Capacitance
Quiescent Voltage
ZOUT
IOUTmax
RL
CL
VQ
Max Current draw from VQ
IQMAX
Min
105
102
-
-
-
-
-
-
-
-
-
-
-
-
1.28•VA
0.90•VA
-
-
-
-
-
-
Typ
114
111
97
94
-100
-91
-51
-94
-74
-34
114
110
0.1
100
1.32•VA
0.94•VA
130
1.0
3
100
50% VA
10
Max
Units
-
dB
-
dB
-
dB
-
dB
-91
dB
-
dB
-42
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
ppm/°C
1.36•VA
0.98•VA
-
-
-
-
-
-
Vpp
Vpp
Ω
mA
kΩ
pF
VDC
μA
10
DS671F2
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