xe3006 Semtech Corporation, xe3006 Datasheet - Page 27

• Manufacturer Part Number: xe3006
• Description: Sandman? Codec | Semtech
• Manufacturer: Semtech Corporation

6
6.1
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.
© Semtech 2005
Capacitor for Vref: 1 µF
Resistor for Vref: 390 kΩ
Capacitor for VREG16: 1 µF
APPLICATION INFORMATION
APPLICATION SCHEMATICS – XE3006
Typical Application schematic
External components required for optimal performances
1µF
Figure 23: Typical Application with 3
0.1µF
1µF
Vcc
390kΩ
GND
1
10
11
12
2
3
4
5
6
7
8
9
MCLK
SMAD
SMDA
VDD
NRESET
VSSA
VREG16
VREF
VSSA
VSSD
VREG11
AIN
27
AOUTN
AOUTP
VDDPA
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
XE3005/XE3006
R=56Ω
4µ7F
R
R
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