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CS4228 Datasheet, PDF (5/30 Pages) Cirrus Logic – 24-Bit, 96 kHz Surround Sound Codec 
CS4228
ANALOG CHARACTERISTICS (Continued)
Base Rate Mode High Rate Mode
Parameter
Symbol Min Typ Max Min Typ Max Units
Analog Output Characteristics - Minimum Attenuation, 10 kΩ, 100 pF load; unless otherwise specified.
DAC Resolution
16
-
24 16
24 Bits
Signal-to-Noise/Idle Channel Noise
(DAC muted, A weighted)
TBD 103 - TBD 103 -
dB
Dynamic Range (DAC not muted, A weighted)
(DAC not muted, unweighted)
TBD 103 -
- 103 -
dB
- 100 -
- 100 -
dB
Total Harmonic Distortion
THD
- 0.003 -
- 0.003 -
%
Total Harmonic Distortion + Noise
THD+N - -90 TBD - -90 -
dB
Interchannel Isolation
-
90
-
-
90
-
dB
Interchannel Gain Mismatch
- 0.1 -
- 0.1 -
dB
Attenuation Step Size
(All Outputs)
TBD 0.5 TBD TBD 0.5 TBD dB
Programmable Output Attenuation Span
TBD -90.5 - TBD -90.5 -
dB
Offset Voltage
-
10
-
-
10
-
mV
Full Scale Output Voltage
TBD 1.3 TBD - 1.3 - Vrms
Gain Drift
- 100 -
- 100 - ppm/°C
Analog Output Load
Minimum Load Resistance:
Maximum Load Capacitance:
-
10
-
-
10
-
kΩ
- 100 -
- 100 -
pF
Combined Digital and Analog Filter Characteristics
Frequency Response
10 Hz to 20 kHz
±0.1
±0.1
dB
Deviation from Linear Phase
- ±0.5 -
- ±0.5 - Degrees
Passband: to 0.01 dB corner
(Notes 5, 6)
0
- 20.0 0
-
40 kHz
Passband Ripple
(Note 6)
-
- ±0.01 -
- ±0.01 dB
Stopband
(Notes 5, 6)
24.1 -
-
56
-
-
kHz
Stopband Attenuation
(Notes 4, 7)
70
-
-
65
-
-
dB
Group Delay (Fs = Input Word Rate)
tgd
- 16/Fs -
- 16/Fs -
s
Analog Loopback Performance
Signal-to-noise Ratio
(CCIR-2K weighted, -20 dB FS input)
CCIR-2K - TBD -
- TBD -
dB
Notes: 5. The passband and stopband edges scale with frequency. For input word rates, Fs, other than 44.1 kHz,
the 0.01 dB passband edge is 0.4535×Fs and the stopband edge is 0.5465×Fs.
6. Digital filter characteristics.
7. Measurement bandwidth is 10 Hz to 3 Fs.
Specifications are subject to change without notice
DS307PP1
5