cs4228a Cirrus Logic, Inc., cs4228a Datasheet - Page 5
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cs4228a
Manufacturer Part Number
cs4228a
Description
24-bit, 96 Khz Surround Sound Codec
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.CS4228A.pdf
(32 pages)
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ANALOG CHARACTERISTICS
997 Hz sine wave at 0 dBFS; measurement bandwidth is 10 Hz to 20 kHz; test load R
Notes: 4. Referenced to typical full-scale differential input voltage (2 Vrms). Tested at -1 dBFS
Analog Input Characteristics - Minimum gain setting (0 dB) Differential Input; unless otherwise specified.
Dynamic Range, -60 dBFS input
Total Harmonic Distortion + Noise
Interchannel Isolation
Interchannel Gain Mismatch
Offset Error (with high pass filter)
Full Scale Input Voltage (Differential):
Gain Drift
Input Resistance
Input Capacitance
A/D Decimation Filter Characteristics
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
Group Delay Variation vs. Frequency
High Pass Filter Characteristics
Frequency Response:
Phase Deviation
Passband Ripple
5. Filter characteristics scale with output sample rate.
6. The analog modulator samples the input at 128 times Fs. For example, to obtain an output sample rate
7. High Pass Filter characteristics are specified for Fs=44.1 kHz.
of 48 kHz the input must be sampled at 6.144 MHz. There is no rejection of input signals which are
multiples of the sampling frequency (n × 6.144 MHz ±20.0 kHz where n = 0,1,2,3...).
Parameter
@ 20 Hz (Note 7)
-3 dB
(unweighted)
(A weighted)
-0.13 dB
(Note 4) THD+N
(Note 5)
(Note 5)
(Note 6)
(Note 7)
(Test conditions (unless otherwise specified): Input test signal is a
Symbol
∆ t
t
gd
gd
0.022
5.24
30.0
Min
Base Rate Mode
91
10
80
-
-
-
-
-
-
-
-
-
-
-
-
-
17/Fs
5.66
Typ
100
100
-88
0.1
3.4
97
94
20
10
-
-
-
-
-
-
-
-
-
21.77 0.022
6114 72.41
Max
6.09
0.01
-83
15
0
0
0
-
-
-
-
-
-
-
-
-
-
-
5.24
Min
91
10
45
High Rate Mode
-
-
-
-
-
-
-
-
-
-
-
-
-
L
= 10 kΩ, C
17/Fs
5.66
Typ
100
100
-88
0.1
3.4
97
94
20
10
-
-
-
-
-
-
-
-
-
43.54
6071
L
CS4228A
Max
6.09
0.05
-83
15
= 15 pF)
0
0
0
-
-
-
-
-
-
-
-
-
-
-
ppm/°C
Degree
Units
Vp-p
LSB
kHz
kHz
dB
dB
dB
dB
dB
kΩ
dB
dB
Hz
Hz
dB
pF
µs
s
5