CS4226_04 Datasheet, PDF (6/37 Pages) Cirrus Logic – Surround Sound Codec

CS4226
ANALOG CHARACTERISTICS (Continued)
CS4226-KQ/-KQZ CS4226-BQ/-BQZ/-DQ
Parameter
Symbol Min Typ Max Min Typ Max Units
High Pass Filter Characteristics
Frequency Response:
-3 dB
-0.13 dB
(Note 5)
- 3.4 -
-
3.4
-
Hz
- 20 -
-
20
-
Hz
Phase Deviation
@ 20 Hz (Note 5)
- 10 -
-
10
- Deg.
Passband Ripple
-
-
0
-
-
0
dB
Analog Output Characteristics - Minimum Attenuation, 10 kΩ, 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
-
- 100 -
-
-
kΩ
-
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 8, 9)
0 - 20.0 0
- 20.0 kHz
Passband Ripple
(Note 9)
-
- ±0.01 -
- ±0.01 dB
Stopband
(Notes 8, 9)
24.1 -
- 24.1 -
-
kHz
Stopband Attenuation
(Note 10)
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 -
- 13
-
90 115 mA
1
3
mA
Power Supply Rejection
(1 kHz, 10 mV_rms)
- 45 -
-
45
-
dB
Notes: 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.
6
DS188F4