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CS4245-CQZ データシート(PDF) 9 Page - Cirrus Logic

部品番号 CS4245-CQZ
部品情報  105 dB, 24-Bit, 192 kHz Streo Sudio CODEC
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メーカー  CIRRUS [Cirrus Logic]
ホームページ  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS4245-CQZ データシート(HTML) 9 Page - Cirrus Logic

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CS4245
9
DAC ANALOG CHARACTERISTICS (Full-Scale Output Sine Wave, 997 Hz; Test load R
L = 3 kΩ,
CL = 10 pF (see Figure 1), Fs = 48/96/192 kHz. Measurement Bandwidth 10 Hz to 20 kHz, unless otherwise speci-
fied.) Synchronous mode.
Note:
3. One-half LSB of triangular PDF dither added to data.
4. Guaranteed by design. The DC current draw represents the allowed current draw from the AOUT pin
due to typical leakage through the electrolytic DC blocking capacitors.
5. Guaranteed by design. See Figure 2. RL and CL reflect the recommended minimum resistance and
maximum capacitance required for the internal op-amp’s stability. CL affects the dominant pole of the
internal output amp; increasing CL beyond 100 pF can cause the internal op-amp to become unstable.
Parameter
All Speed Modes
Symbol
Min
Typ
Max
Unit
Dynamic Performance for VA = 5 V
Dynamic Range
(Note 3)
18 to 24-Bit
unweighted
A-Weighted
16-Bit
unweighted
A-Weighted
96
99
87
90
102
105
93
96
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise
(Note 3)
18 to 24-Bit
0 dB
-20 dB
-60 dB
16-Bit
0 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
-95
-82
-42
-93
-73
-33
-89
-76
-36
-87
-67
-27
dB
dB
dB
dB
dB
dB
Dynamic Performance for VA = 3.3 V
Dynamic Range
(Note 3)
18 to 24-Bit
unweighted
A-Weighted
16-Bit
unweighted
A-Weighted
93
96
85
88
99
102
90
93
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise
(Note 3)
18 to 24-Bit
0 dB
-20 dB
-60 dB
16-Bit
0 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
-92
-79
-39
-90
-70
-30
-84
-71
-31
-82
-62
-22
dB
dB
dB
dB
dB
dB
Interchannel Isolation
(1 kHz)
-
100
-
dB
DC Accuracy
Interchannel Gain Mismatch
-
0.1
0.25
dB
Gain Drift
-
100
-
ppm/°C
Analog Output
Full Scale Output Voltage
0.60*VA
0.65*VA
0.70*VA
Vpp
DC Current draw from an AOUT pin
(Note 4)
IOUT
--
10
µA
AC-Load Resistance
(Note 5)
RL
3-
-
k
Load Capacitance
(Note 5)
CL
--
100
pF
Output Impedance
ZOUT
-
100
-


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