Analog characteristics (continued) – Cirrus Logic CS4221 User Manual
Page 5
CS4220 CS4221
DS284PP3
5
ANALOG CHARACTERISTICS (CONTINUED)
Notes: 5. The passband and stopband edges scale with frequency. For input word rates, Fs, other than 48 kHz,
the 0.01 dB passband edge is 0.4535x Fs and the stopband edge is 0.5465x Fs.
6. Digital filter characteristics.
7. Measurement bandwidth is 10 Hz to 3 Fs.
Parameter
Symbol
CS4220/1 - KS
Unit
Min Typ
Max
Analog Output Characteristics - Minimum Attenuation, 10 k
Ω
, 100 pF load; unless otherwise specified.
DAC Resolution
-
-
24
Bits
Signal-to-Noise, Idle-Channel Noise (CS4221 only)
DAC
muted, A-weighted
97
105
-
dB
Dynamic Range
DAC not muted, A-weighted
DAC not muted, unweighted
95
92
100
97
-
-
dB
Total Harmonic Distortion
THD
-
0.003
-
%
Total Harmonic Distortion + Noise
THD+N
-
-92
-87
dB
Interchannel Isolation
(1 kHz)
-
90
-
dB
Interchannel Gain Mismatch
-
-
0.1
dB
Attenuation Step Size
All Outputs
0.35
0.5
0.65
dB
Programmable Output Attenuation Span
110
113.5
-
dB
Differential Offset Voltage
-
±10
-
mV
Common Mode Output Voltage
-
2.4
-
V
Full Scale Output Voltage
1.8
1.9
2.0
Vrms
Gain Drift
-
100
-
ppm/°
C
Out-of-Band Energy
Fs/2 to 2 Fs
-
-60
-
dBFs
Analog Output Load
Resistance
Capacitance
10
-
-
-
-
100
k
Ω
pF
Combined Digital and Analog Filter Characteristics
Frequency Response10 Hz to 20 kHz
-
±0.1
-
dB
Deviation from Linear Phase
-
±0.5
-
Degree
Passband: to 0.01 dB corner
(Notes 5 and 6)
0
-
21.8
kHz
Passband Ripple
(Note 6)
-
-
±0.01
dB
Stopband
(Notes 5 and 6)
26.2
-
-
kHz
Stopband Attenuation
(Note 7)
70
-
-
dB
Group Delay (Fs = Input Word Rate)
t
gd
-
16/Fs
-
s
Power Supply
Power Supply Current
VA
VD
VL
Total Power Down
-
-
-
-
46
9
3
0.4
60
20
5
-
mA
Power Supply Rejection Ratio
1 kHz
-
65
-
dB