參數(shù)資料
型號： TLV320AIC29_07
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： STWREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS
中文描述： STWREO音頻編解碼器集成耳機(jī)和音箱放大器
文件頁數(shù)： 16/94頁
文件大?。?/td> 1073K
代理商： TLV320AIC29_07
TLV320AIC29
SLAS494A DECEMBER 2005 REVISED JANUARY 2006
www.ti.com
23
Fsref
+ MCLK
K
2048
P
P = 1, 2, 3
… 8
K = J.D
J = 1, 2, 3
….63
D = 0, 1, 2
… 9999
P, J and D are register programmable.where J is integer part of K before the decimal point, and D
is four-digit fractional part of K after the decimal point, including lagging zeros.
Examples: If K = 8.5, then J = 8, D = 5000
If K = 7.12, then J = 7, D = 1200
If K = 7.012, then J = 7, D = 120
The PLL is programmed through Registers 1BH and 1CH of Page 2.
D When PLL is enabled and D = 0, the following conditions must be satisfied
2MHz
v MCLK
P
v 20 MHz
80 MHz
v MCLK
K
P
v 110 MHz
4 v J v 55
D When PLL is enabled D ≠ 0, the following conditions must be satisfied
10 MHz
v MCLK
P
v 20 MHz
80 MHz
v MCLK
K
P
v 110 MHz
4 v J v 11
Example 1:
For MCLK = 12 MHz and Fsref = 44.1 kHz
P = 1, K = 7.5264
J = 7, D = 5264
Example 2:
For MCLK = 12 MHz and Fsref = 48 kHz
P = 1, K = 8.192
J = 8, D = 1920
To externally observe the PLL function, the GPIO2 pin can be set up as the clock monitor (set D2 = 1, register
22h, page 2). Note that besides setting up the PLL and GPIO2, the audio ADC or DAC must be enabled for
the PLL output to appear at the GPIO2.
Example 1:
D Start from power up (with the proper sequence)
D Make sure MCLK is provided and /PWR_DWN and /RESET are both high
D Set and enable PLL
D Connect and power up (do not unmute anything) ADC or DAC or both, for instance:
Page2/Reg03h to C530h or C510h (default is C500h) to connect MICSEL to ADC
Page2/Reg05h to FDFCh (default is FFFCh) to power up ADC.
D Set Page2/Reg22h to 0004h to output PLL to GPIO2 pin.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV320AIC29EVM 功能描述:音頻 IC 開發(fā)工具 TLV320AIC29 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
TLV320AIC29EVM-PDK 功能描述:音頻 IC 開發(fā)工具 TLV320AIC29-PDK Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
TLV320AIC29IRGZ 制造商:TI 制造商全稱:Texas Instruments 功能描述:STWREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS
TLV320AIC29IRGZR 功能描述:接口—CODEC Stereo Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC29IRGZRG4 功能描述:接口—CODEC Stereo Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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