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參數資料
型號: TLV320AIC29IRGZT
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC48
封裝: 7 X 7 MM, GREEN, PLASTIC, QFN-48
文件頁數: 16/87頁
文件大小: 1051K
代理商: TLV320AIC29IRGZT
TLV320AIC29
SLAS494B DECEMBER 2005 REVISED OCTOBER 2007
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.
相關PDF資料
PDF描述
TLV320AIC29IRGZ SPECIALTY CONSUMER CIRCUIT, PQCC48
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TLV320AIC3107IRSBT 2 CHANNEL, AUDIO AMPLIFIER, PQCC40
TLV320AIC3107IRSBR 2 CHANNEL, AUDIO AMPLIFIER, PQCC40
相關代理商/技術參數
參數描述
TLV320AIC29IRGZTG4 功能描述:接口—CODEC Stereo Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC3004IRHBR 制造商:Texas Instruments 功能描述:TISTLV320AIC3004IRHBR LOW-POWER STEREO
TLV320AIC3007 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-POWER STEREO AUDIO CODEC WITH INTEGRATED MONO CLASS-D AMPLIFIER
TLV320AIC3007EVM-K 功能描述:音頻 IC 開發工具 TLV320AIC3007 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
TLV320AIC3007IRSBR 功能描述:接口—CODEC Lo Pwr St CODEC w/ Integr Class-D Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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