參數(shù)資料
型號: TLC320AD81C
廠商: Texas Instruments, Inc.
英文描述: Stereo Audio Digital Equalizer DC
中文描述: 立體聲音頻數(shù)字均衡器直流
文件頁數(shù): 13/47頁
文件大小: 185K
代理商: TLC320AD81C
2–1
2 Description
2.1
Serial Audio Interface
Programmable audio serial port
I
2
S, left justified, and right justified
Dual input data channels (SDIN1 and SDIN2)
16-,18-, or 20-bit resolution (see section 6.1, Audio Data)
Single output data channel (SDOUT)
16-,18-, or 20-bit resolution (see section 6.1, Audio Data)
Accepts 32 f
s
or 64 f
s
(SCLK)
I
2
C slave port
Two I
2
C programmable address pins (CS1 and CS2)
2.2
Audio Processing
Programmable multi band digital parametric EQ (updateable)
Programmable volume control (dynamically updateable)
Soft mute software controlled
Digital mixing of SDIN1 and SDIN2 with independent gain control
Programmable bass and treble tone control (dynamically updateable)
De-emphasis supported for CD applications at 44.1 kHz
2.3
Power Supply
Digital supply voltage – DV
DD
, DV
SS
of 3.3 V
Digital supply voltage – DV
DD
_DAC, DV
SS
_DAC of 3.3 V
Analog supply voltage – AV
DD
_PLL, AV
SS
_PLL of 3.3 V
Analog supply voltage – AV
DD
_DAC, AV
SS
_DAC of 5 V or 3.3 V
DAC
2.4
Stereo sigma-delta D/A converter
98-dB signal-to-noise ratio (SNR) typical
94-dB dynamic range typical
Soft mute hardware control pin
De-emphasis hardware control pin (44.1 kHz)
0.6 Vrms at AV
DD
= 3.3 V or 1 Vrms at AV
DD
= 5 V analog output
32 fs serial input mode is left justified 16 bit only
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