Cirrus Logic CS8420 - Manual (Page 7)

DS245F4 7
CS8420
PERFORMANCE SPECIFICATIONS
DIGITAL FILTER CHARACTERISTICS
2. See “AES3 Transmitter and Receiver” on page 28.
DC ELECTRICAL SPECIFICATIONS
AGND = DGND = 0 V; all voltages with respect to 0 V.
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.
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
-112
-110
-107
dB
dB
dB
dB
Peak idle channel noise component - - -140 dBFS
Resolution 16 - 24 bits
Gain Error -0.12 - 0 dB
Parameter* Symbol Min Typ Max Units
Passband Upsampling
Downsampling
0
0 -
- 0.4535*Fsi
0.4535*Fso
Hz
Hz
Passband Ripple - - ±0.007 dB
Stopband (Downsampling) 0.5465*Fso - Fsi/2 Hz
Stopband Attenuation 110 - - dB
Group Delay (Note 2) t
gd
- - 1.75 ms
Group Delay Variation vs. Frequency
Δt
gd
- - 0.0
μs
Interchannel Phase Deviation - - 0.0 °
Parameters Symbol Min Typ Max Units
Power Down Mode (Note 3)
Supply Current in power down VA+
VD+
-
- 20
20 -
-
μA
μA
Normal Operation (Note 4)
Supply Current at 48 kHz F
so
and F
si
VA+
VD+
-
- 3.7
66
-
- mA
mA
Supply Current at 96 kHz F
so
and F
si
VA+
VD+
-
- 7.0
125
-
- mA
mA