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參數資料
| 型號： | TLV320DA26IRHBG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, DAC WITH PROGRAMMABLE PLL, PQCC32 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件頁數： | 4/52頁 |
| 文件大小： | 872K |
| 代理商： | TLV320DA26IRHBG4 |
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TLV320DAC26
SLAS428 AUGUST 2004
www.ti.com
12
OVERVIEW
The TLV320DAC26 is a highly integrated stereo audio DAC for portable computing, communication, and entertainment
applications. The ’DAC26 has a register-based architecture where all functions are controlled through the registers and
onboard state machines.
The ’DAC26 consists of the following blocks (refer to the block diagram):
D Audio DAC
D Auxiliary Inputs for analog pass through functionality
Audio data is transferred between the host DSP/
P via a standard 4-wire interface and supports a variety of modes (i.e.,
I2S, DSP, etc).
Control of the ’DAC26 and its functions is accomplished by writing to different registers in the ’DAC26. A simple command
protocol is used to address the 16-bit registers. Registers control the operation of the audio DAC. The control and auxiliary
functions are accessed via a SPI bus.
A typical application of the ’DAC26 is shown in Figure 8.
MCLK
PWD
DOUT
LRCK
DIN
BCLK
MISO
MOSI
SS
SCLK
2.2 k
W
Audio
Auxiliary Input
AUX
MICBIAS
MICIN
HPR
VGND
HPL
8
W
Speaker
I2S Interface
SPI Interface
Master Clock Input
ADC Word Select
Serial Output to CPU/DSP
DAC Word Select
Serial Input From CPU/DSP
Serial Clock Input
Serial Output to SPI Master
Serial Input From SPI Master
SPI Slave Select Input
SPI Serial Clock Input
Figure 8. Typical Circuit Configuration
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