CS4222-KS Cirrus Logic Inc, CS4222-KS Datasheet - Page 2

• Manufacturer Part Number: CS4222-KS
• Description: Audio CODECs IC 20-Bit Stereo Codec w/Vol Cntrl
• Manufacturer: Cirrus Logic Inc

Specifications of CS4222-KS

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 48 KSPs
• Interface Type: Serial (I2C, SPI)
• Resolution: 20 bit
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Minimum Operating Temperature: - 10 C
• Number Of Channels: 2 ADC, 2 DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ANALOG CHARACTERISTICS
997 Hz; Fs = 48 kHz; Measurement Bandwidth is 20 Hz to 20 kHz; Local components as shown in "Recom-
mended Connection Diagram"; SPI mode, Format 0, unless otherwise specified.)
Notes: 1. Referenced to typical full-scale differential input voltage (2 Vrms)
* Parameter definitions are given at the end of this data sheet.
Specifications are subject to change without notice.
2
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,
3. The analog modulator samples the input at 6.144 MHz for an Fs equal to 48 kHz. There is
4. Group delay for Fs = 48 kHz, t
the 0.01 dB passband edge is 0.4535xFs and the stopband edge is 0.625xFs.
no rejection of input signals which are multiples of the sampling frequency ( n x 6.144 MHz 21.8 kHz
where n = 0,1,2,3...).
Parameter
(with High Pass Filter)
(HPF defeated with CAL)
-3 dB
-0.1 dB
@ 20 Hz
-1 dB
gd
= 15/48 kHz = 312 s
( T
(unweighted):
(A-weighted):
A
= 25 C; VA, VD = +5V; Full Scale Input Sine wave,
(Note 1) THD+N
(Note 2)
(Note 2)
(Note 3)
(Note 4)
(Note 2)
(Note 2)
(1 kHz)
Symbol
THD
t
gd
t
gd
TBD
TBD
Min
1.9
10
30
80
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.003
15/Fs
TBD
Typ
100
-90
0.1
2.0
2.3
3.7
99
96
90
20
10
-
-
-
-
-
-
-
-
-
-
6114
TBD
Max
21.8
2.1
0.01
20
15
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CS4222
DS236PP3
Degree
ppm/°C
Units
Vrms
LSB
LSB
Bits
kHz
kHz
k
dB
dB
dB
dB
dB
pF
dB
dB
Hz
Hz
dB
%
V
s
s