參數(shù)資料
型號(hào): XE3006
廠商: Electronic Theatre Controls, Inc.
元件分類: Codec
英文描述: Low-Power Audio CODEC
中文描述: 低功耗音頻CODEC
文件頁(yè)數(shù): 26/32頁(yè)
文件大?。?/td> 465K
代理商: XE3006
Data Sheet
XE3005/XE3006
26
D0212-116
6 Application Information
6.1 Application Schematics – XE3006
6.1.1
Typical Application schematic
GND
Vcc
Vcc
L=680μH
L
2μ2F
0.1μF
1μF
1μF
820k
Sandman output
Master Clock
SPI
Serial Audio Interface
1
5
6
7
8
9
10
11
12
MCLK
SMAD
SMDA
VDD
NRESET
VSSA
VREG16
VREF
VSSA
VSSD
VREG11
AIN
23
22
21
16
14
13
MOSI
SS
SCK
MISO
SDI
SDO
BCLK
FSYNC
AOUTP
VDDPA
AOUTN
VSSPA
4
15
3
2
4μ7F
R
R
L
R=56
lowpass filter,
Bluetooth voice application
MCLK = 2.048 MHz,
div_factor =1
X
24
20
19
18
17
Figure 23: Typical Application with 3
rd
order LC output Filter
6.1.2
External components required for optimal performances
The following minimum set-up of external components is required:
Capacitor for Vref: 1 μF
Resistor for Vref: 820 k
Capacitor for VREG16: 1 μF
The low pass filter between the DAC output and the speaker depends on the CODEC settings and the speaker
type.
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