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參數資料
型號: TLV320AIC32IRHBG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數: 16/72頁
文件大小: 4594K
代理商: TLV320AIC32IRHBG4
www.ti.com
K*R/P
2/Q
PLL_CLKIN
CODEC
CODEC_CLKIN
PLL_OUT
K = J.D
J = 1,2,3,
…..,62,63
D= 0000,0001,
….,9998,9999
R= 1,2,3,4,
….,15,16
P= 1,2,
….,7,8
Q=2,3,
…..,16,17
MCLK BCLK
CLKDIV_IN
PLL_IN
WCLK= Fsref/Ndac
ADC_FS
DAC_FS
Ndac=1,1.5,2,
…..,5.5,6
DAC DRA => Ndac = 0.5
CODEC_CLK=256*Fsref
CLKDIV_OUT
1/8
PLLDIV_OUT
CLKDIV_CLKIN
TLV320AIC32
SLAS479A – AUGUST 2005 – REVISED SEPTEMBER 2005
OVERVIEW (continued)
Figure 24. Audio Clock Generation Processing
The part can accept an MCLK input from 384 kHz to 50 MHz, which can then be passed through either a
programmable divider or a PLL, to get the proper internal audio master clock needed by the part. The BCLK
input can also be used to generate the internal audio master clock.
A primary concern is proper operation of the codec at various sample rates with the limited MCLK frequencies
available in the system. This device includes a highly programmable PLL to accommodate such situations easily.
The integrated PLL can generate audio clocks from a wide variety of possible MCLK inputs, with particular focus
paid to the standard MCLK rates already widely used.
When the PLL is disabled,
Fsref = CLKDIV_IN / (128
× Q)
Where Q = 2, 3,
…, 17
CLKDIV_IN can be MCLK or BCLK, selected by register 102, bits D7-D6.
NOTE – when NDAC = 1.5, 2.5, 3.5, 4.5, or 5.5, odd values of Q are not allowed. In this mode, MCLK can be as
high as 50 MHz, and Fsref should fall within 39 kHz to 53 kHz.
When the PLL is enabled,
Fsref = (PLLCLK_IN
× K × R) / (2048 × P), where
P = 1, 2, 3,
…, 8
23
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相關代理商/技術參數
參數描述
TLV320AIC32IRHBR 功能描述:接口—CODEC Lo-Pwr Stereo Codec w/6 Inp 6 Otp 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
TLV320AIC32IRHBRG4 功能描述:接口—CODEC Lo-Pwr Stereo Codec w/6 Inp 6 Otp 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
TLV320AIC32IRHBT 功能描述:接口—CODEC Lo-Pwr Stereo Codec w/6 Inp 6 Otp 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
TLV320AIC32IRHBTG4 功能描述:接口—CODEC Lo-Pwr Stereo Codec w/6 Inp 6 Otp 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
TLV320AIC33 制造商:BB 制造商全稱:BB 功能描述:LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY
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