XE3005 ETC, XE3005 Datasheet - Page 26

• Manufacturer Part Number: XE3005
• Description: (XE3005 / XE3006) Low-Power Audio CODEC
• Manufacturer: ETC

6 Application Information
6.1 Application Schematics – XE3006
6.1.1
6.1.2
The following minimum set-up of external components is required:
The low pass filter between the DAC output and the speaker depends on the CODEC settings and the speaker
type.
26
Capacitor for Vref: 1 µF
Resistor for Vref: 820 k
Capacitor for VREG16: 1 µF
External components required for optimal performances
Typical Application schematic
1µF
Figure 23: Typical Application with 3
0.1µF
1µF
Vcc
820k
GND
10
11
12
1
2
3
4
5
6
7
8
9
MCLK
SMAD
SMDA
VDD
NRESET
VSSA
VREG16
VREF
VSSA
VSSD
VREG11
AIN
VDDPA
AOUTN
AOUTP
FSYNC
VSSPA
BCLK
MOSI
MISO
SCK
SDO
SDI
SS
24
23
22
21
20
19
18
17
16
15
14
13
rd
order LC output Filter
Vcc
Sandman output
Master Clock
SPI
Serial Audio Interface
lowpass filter,
Bluetooth™ voice application
MCLK = 2.048 MHz,
div_factor =1
L=680µH
L
L
2µ2F
Data Sheet
XE3005/XE3006
R=56
4µ7F
R
R
D0212-116