CS8420-DSZR 查看數據表（PDF） - Cirrus Logic
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CS8420-DSZR Datasheet PDF : 94 Pages
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PERFORMANCE SPECIFICATIONS
CS8420
Parameter*
Symbol Min Typ Max Units
Dynamic Range
120 128
-
dB
Input Sample Rate
(serial input port) Fsi
8
-
108
kHz
Output Sample Rate
Fso
8
-
108
kHz
Output to Input Sample Rate Ratio
0.33
-
3
Total Harmonic Distortion + Noise
1 kHz, -1 dBFS, 0.33 < Fso/Fsi < 1.7
1 kHz, -1 dBFS, 0.33 < Fso/Fsi < 3
10 kHz, -1 dBFS, 0.33 < Fso/Fsi < 1.7
10 kHz, -1 dBFS, 0.33 < Fso/Fsi < 3
THD+N
-
-
-
-
-
-117
dB
-
-112
dB
-
-110
dB
-
-107
dB
Peak idle channel noise component
-
-
-140 dBFS
Resolution
16
-
24
bits
Gain Error
-0.12
-
0
dB
DIGITAL FILTER CHARACTERISTICS
Passband
Parameter*
Passband Ripple
Stopband (Downsampling)
Stopband Attenuation
Group Delay
Group Delay Variation vs. Frequency
Interchannel Phase Deviation
Symbol Min
Typ
Max
Units
Upsampling
Downsampling
0
- 0.4535*Fsi Hz
0
- 0.4535*Fso Hz
-
-
±0.007
dB
0.5465*Fso -
Fsi/2
Hz
110
-
-
dB
(Note 2) tgd
-
Δtgd
-
-
-
1.75
ms
-
0.0
μs
-
0.0
°
2. See “AES3 Transmitter and Receiver” on page 28.
DC ELECTRICAL SPECIFICATIONS
AGND = DGND = 0 V; all voltages with respect to 0 V.
Parameters
Power Down Mode (Note 3)
Supply Current in power down
Normal Operation (Note 4)
Supply Current at 48 kHz Fso and Fsi
Supply Current at 96 kHz Fso and Fsi
Symbol Min Typ Max
VA+
-
20
-
VD+
-
20
-
VA+
-
3.7
-
VD+
-
66
-
VA+
-
7.0
-
VD+
-
125
-
3. Power Down Mode is defined as RST = LO with all clocks and data lines held static.
4. Normal operation is defined as RST = HI.
Units
μA
μA
mA
mA
mA
mA
DS245F4
7
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