Cirrus Logic CS4228A - 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 (Notes 8, 9) 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