Cs4228a, Analog characteristics – Cirrus Logic CS4228A User Manual
Page 6
CS4228A
6
ANALOG CHARACTERISTICS
(Continued)
8. 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.
9. Digital filter characteristics.
10. Measurement bandwidth is 10 Hz to 3 Fs.
Base Rate Mode
High Rate Mode
Parameter
Symbol
Min
Typ
Max
Min
Typ
Max
Units
Analog Output Characteristics - Minimum Attenuation, 10 k
Ω, 10 pF load; unless otherwise specified.
Dynamic Range, -60 dBFS input
(A weighted)
(unweighted)
93
-
100
97
-
-
93
-
100
97
-
-
dB
dB
Total Harmonic Distortion + Noise (unweighted)
THD+N
-
-90
-83
-
-90
-83
dB
Interchannel Isolation
-
95
-
-
95
-
dB
Interchannel Gain Mismatch
-
0.1
-
-
0.1
-
dB
Offset Voltage
-
10
-
-
10
-
mV
Full Scale Output Voltage
3.42
3.7
3.98
3.42
3.7
3.98
Vp-p
Gain Drift
-
100
-
-
100
-
ppm/°C
Analog Output Load
Minimum Load Resistance:
Maximum Load Capacitance:
-
-
10
100
-
-
-
-
10
100
-
-
k
Ω
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 8, 9)
0
-
21.77
0
-
43.54
kHz
Passband Ripple
(Note 9)
-
-
±0.01
-
-
±0.01
dB
Stopband
26.2
-
-
62.5
-
-
kHz
Stopband Attenuation
(Notes 8, 10)
70
-
-
65
-
-
dB
Group Delay (Fs = Input Word Rate)
tgd
-
29/Fs
-
-
17/Fs
-
s
Analog Loopback Performance
Signal-to-noise Ratio
(CCIR-2K weighted, -20 dB FS input)
CCIR-2K
-
90
-
-
90
-
dB