參數(shù)資料
型號： TLC320AD81CDBT
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), EQUALIZER CIRCUIT, PDSO38
封裝： PLASTIC, TSSOP-38
文件頁數(shù)： 29/47頁
文件大小： 195K
代理商： TLC320AD81CDBT
6–1
6 Application Information
Typical applications for the TLC320AD81C include:
Digital speakers
Multi media monitors with speakers
USB audio devices
The TLC320AD81C is designed to interface to a serial audio source and can handle up to two SDIN audio
data streams. In a multiple SDIN application as shown, latency of the ADC should be taken into account.
A controller is used to translate between USB audio and serial audio. Audio control functions are
downloaded to the TLC320AD81C through the I2C port. One option is for this to be the same controller as
the USB controller, although shown as separate controllers. The output of the device interfaces to the power
amplifiers, however, prefiltering is recommended. Voltage regulators, and bypass capacitors (not shown)
on the power supplies are recommended good practices.
MCLK
LRCLK
SDIN1
SCLK
TLC320AD81C
SCL
SDA
USB
to
I2C
Controller
USB
to
I2S
Controller
ADC
SDIN2
Digital Audio
I2S Data
MIC1
MIC2
Left
Right
Power
Amplifier
USB Data Stream
Figure 6–1. Example USB Audio System
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