CDB4265 Cirrus Logic Inc, CDB4265 Datasheet - Page 23

• Manufacturer Part Number: CDB4265
• Description: BOARD EVAL FOR CS4265 CODEC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4265

• Main Purpose: Audio, CODEC
• Embedded: No
• Utilized Ic / Part: CS4265
• Primary Attributes: Stereo, 24-Bit, 192 kHz Sample Rate
• Secondary Attributes: Graphic User Interface, S/PDIF/ I2S / I2C / SPI Interface
• Description/function: Audio CODECs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4265
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1001

DS657F2
3. TYPICAL CONNECTION DIAGRAM
to +5V
+1.8V
to +5V
+1.8V
Note 1: Resistors are required for I²C control
port operation
Note 3: The value of R
microphone carteridge.
Note 4: Sets the LSB of the 7-bit chip address.
See the I²C Control Port Description and
Timing section.
Controller
Micro-
+3.3V to +5V
Digital Audio
Digital Audio
Processor
Output
Note 1
2 k Ω
L
is dictated by the
0.1 µF
2 k Ω
Note 4
47 kΩ
0.1 µF
10 µF
RST
SDA
SDOUT
SDIN1
SDIN2
VLS
MCLK
SCLK
TXOUT
VLC
TXSDIN
LRCK
SCL
0.1 µF
Figure 9. Typical Connection Diagram
VD
CS4265
DGND
VA
0.1 µF
MICBIAS
MUTEC
AOUTA
AOUTB
AFILTA
AFILTB
MICIN1
MICIN2
AGND
AGND
FILT+
AIN1A
AIN1B
SGND
VA
VQ
0.1 µF
*
* Capacitors must be C0G or equivalent
Note 2 :
This circuitry is intended for applications where the CS4265
connects directly to an unbalanced output of the design . For internal
routing applications please see the DAC Analog Output
Characteristics section for loading limitations.
3.3 µF
For best response to Fs/2 :
10 µF
3.3 µF
10 µF
10 µF
0.1 µF
10 µF
2.2nF
Note 3
10 kΩ
10 kΩ
C
*
*
1800 pF
1800 pF
*
=
Mute
Drive
10 µF
10 µF
470Ω
470Ω
4
π
+3.3V to +5V
Fs
2.2nF
R
47 µF
R
100 Ω
L
ext
100 Ω
(
R
100 kΩ
100 kΩ
*
*
+
ext
470
C
×
R
C
L
470
0.1 µF
10 µF
Optional
Analog
Muting
)
Microphone Input 1
Microphone Input 2
Signal Ground
Left Analog Input 1
Right Analog Input 1
10 µF
CS4265
See Note 2
R
R
ext
ext
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