參數(shù)資料
型號： TLC320AD81CDBTR
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)： 5/47頁
文件大?。?/td> 195K
代理商： TLC320AD81CDBTR
2–1
2 Description
2.1
Serial Audio Interface
Programmable audio serial port
–I2S, 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 fs or 64 fs (SCLK)
I2C slave port
Two I2C 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 – DVDD, DVSS of 3.3 V
Digital supply voltage – DVDD_DAC, DVSS_DAC of 3.3 V
Analog supply voltage – AVDD_PLL, AVSS_PLL of 3.3 V
Analog supply voltage – AVDD_DAC, AVSS_DAC of 5 V or 3.3 V
2.4
DAC
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 AVDD = 3.3 V or 1 Vrms at AVDD = 5 V analog output
32 fs serial input mode is left justified 16 bit only
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