CS4226 Datasheet, PDF (4/60 Pages) Cirrus Logic – Surround Sound Codec

CS4226
ANALOG CHARACTERISTICS (Continued)
CS4226-KQ
CS4226-BQ
Parameter
Symbol Min Typ Max Min Typ Max Units
High Pass Filter Characteristics
Frequency Response:
-3 dB
-0.13 dB
(Note 3)
- 3.4 -
- 20 -
- 3.4 -
Hz
-
20
-
Hz
Phase Deviation
@ 20 Hz (Note 3)
- 10 -
- 10 - Deg.
Passband Ripple
-
-
0
-
-
0 dB
Analog Output Characteristics - Minimum Attenuation, 10 k, 100 pF load; unless otherwise specified.
DAC Resolution
16
-
20 16
-
20 Bits
Signal-to-Noise/Idle
Channel Noise
(DAC muted, A weighted)
101 108 -
99 106 -
dB
Dynamic Range
(DAC not muted, A weighted)
(DAC not muted, unweighted)
93 98
-
91 96
-
dB
- 95 -
-
93
-
dB
Total Harmonic Distortion
THD
- 0.003 -
- 0.003 -
%
Total Harmonic Distortion + Noise
(Stereo) THD+N - -88 -83 - -86 -81 dB
Interchannel Isolation
-
90
-
-
90
-
dB
Interchannel Gain Mismatch
- 0.1 -
- 0.1 -
dB
Attenuation Step Size
(All Outputs)
0.7 1 1.3 0.7 1 1.3 dB
Programmable Output Attenuation Span
-84 -86 - -84 -86 -
dB
Offset Voltage
(relative to CMOUT)
- ±15 -
- ±15 - mV
Full Scale Output Voltage
0.92 1.0 1.08 0.92 1.0 1.08 Vrms
Gain Drift
- 100 -
- 100 - ppm/°C
Out-of-Band Energy
(Fs/2 to 2Fs)
- -60 -
- -60 - dBFs
Analog Output Load
Resistance:
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 - Deg.
Passband: to 0.01 dB corner
(Notes 6, 7)
0
- 20.0 0
- 20.0 kHz
Passband Ripple
(Note 7)
-
- ±0.01 -
- ±0.01 dB
Stopband
(Notes 6 ,7)
24.1 -
- 24.1 -
- kHz
Stopband Attenuation
(Note 8)
70 -
- 70 -
-
dB
Group Delay (Fs = Input Word Rate)
(Note 5) tgd
- 16/Fs -
- 16/Fs -
s
Analog Loopback Performance
Signal-to-noise Ratio (CCIR-2K weighted, -20 dB input) CCIR-2K - 71 -
-
71
-
dB
Power Supply
Power Supply Current
Operating
Power Down
- 90 113 - 90 115 mA
-
1
3
-
1
3 mA
Power Supply Rejection
(1 kHz, 10 mV_rms)
- 45 -
-
45
-
dB
Notes: 6. 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.
7. Digital filter characteristics.
8. Measurement bandwidth is 10 Hz to 3 Fs.
4
DS188F1