CS4221-KS Cirrus Logic Inc, CS4221-KS Datasheet - Page 4

• Manufacturer Part Number: CS4221-KS
• Description: IC, AUDIO CODEC, 24BIT, 50KHZ, SSOP-28
• Manufacturer: Cirrus Logic Inc

Specifications of CS4221-KS

• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 2
• No. Of Output Channels: 2
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 105dB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ANALOG CHARACTERISTICS
Fs = 48 kHz; Measurement Bandwidth is 20 Hz to 20 kHz; Local components as shown in Figures 4 and 5; SPI
mode, Format 0, unless otherwise specified.)
Notes: 1. Referenced to typical full-scale differential input voltage (2 Vrms).
4
1. CHARACTERISTICS AND SPECIFICATIONS
Analog Input Characteristics
ADC Resolution
Total Harmonic Distortion
Dynamic Range
Total Harmonic Distortion + Noise
Interchannel Isolation
Interchannel Gain Mismatch
Offset Error
Full Scale Input Voltage (Differential)
Gain Drift
Input Resistance
Input Capacitance
Common Mode Input Voltage
A/D Decimation Filter Characteristics
Passband
Passband Ripple
Stopband
Stopband Attenuation
Group Delay (Fs = Output Sample Rate)
Group Delay Variation vs. Frequency
High Pass Filter Characteristics
Frequency Response
Phase Deviation
Passband Ripple
2. Filter characteristics scale with output sample rate. For output sample rates, Fs, other than 48 kHz, the
3. The analog modulator samples the input at 6.144 MHz for an Fs equal to 48 kHz. There is no rejection
4. Group delay for Fs = 48 kHz, t
0.01 dB passband edge is 0.4535x Fs and the stopband edge is 0.625x Fs.
of input signals which are multiples of the sampling frequency (n x 6.144 MHz ±21.8 kHz where
n = 0,1,2,3...).
@ 20 Hz
Parameter
-0.1 dB
with High Pass Filter
gd
= 15/48 kHz = 312 µs.
(T
-3 dB (Note 2)
A
= 25° C; VA, VD = +5 V; Full Scale Input Sine wave, 997 Hz;
unweighted
A-weighted
(Note 1) THD+N
(Note 2)
(Note 2)
(Note 3)
(Note 4)
(Note 2)
(1 kHz)
Symbol
THD
t
gd
t
gd
Min
1.9
95
92
10
30
80
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CS4220/1 - KS
0.003
15/Fs
Typ
100
100
CS4220 CS4221
-92
2.0
2.3
3.7
97
90
20
10
-
-
-
-
-
-
-
-
-
-
-
±0.01
6114
Max
21.8
-87
0.1
2.1
24
15
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
DS284PP3
ppm/°C
Degree
Vrms
Unit
LSB
kHz
kHz
Bits
dB
k
dB
dB
dB
pF
dB
dB
Hz
dB
µs
%
V
s