CS4222-KS Cirrus Logic Inc, CS4222-KS Datasheet - Page 17

• 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

tween the CS4222 ground and the board ground
should be positioned as shown in Figure 11. See
the CDB4222 evaluation board data sheet for
recommended layout of the decoupling compo-
nents.
ADC and DAC Filter Response Plots
Figures 12 through 17 show the overall fre-
quency response, passband ripple and transition
band for the CS4222 ADC’s and DAC’s.
DS236PP3
Ground
Digital
Plane
CPU & Digital
Logic
Figure 11. Suggested Layout Guideline (See CDB4222 Data Sheet)
Connection
Ground
Ferrite
Bead
+5V
>
1/8"
Codec
signals
digital
Codec
analog
signals &
components
Ground
Analog
Plane
Note that the CS4222
is oriented with its
digital pins towards the
digital end of the board.
CS4222
17