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參數資料
| 型號： | TLV320DAC3120IRHBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 24-BIT DAC, PQCC32 |
| 封裝： | 5 X 5 MM, PLASTIC, QFN-32 |
| 文件頁數： | 51/110頁 |
| 文件大小： | 1230K |
| 代理商： | TLV320DAC3120IRHBR |
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BCLK
WCLK
1
0
1
0
T0149-05
1/f
S
LSB
MSB
Left Channel
Right Channel
2
DIN
n–1
n–2
n–3
www.ti.com
SLAS659 – NOVEMBER 2009
The TLV320DAC3120 also includes a feature to offset the position of start of data transfer with respect to
the word clock. This offset can be controlled in terms of number of bit clocks and can be programmed in
page 0 / register 28.
The TLV320DAC3120 also has the feature of inverting the polarity of the bit clock used for transferring the
audio data as compared to the default clock polarity used. This feature can be used independently of the
mode of audio interface chosen. This can be configured via page 0 / register 29, bit D3.
By default, when the word clocks and bit clocks are generated by the TLV320DAC3120, these clocks are
active only when the DAC is powered up within the device. This is done to save power. However, it also
supports a feature when both the word clocks and bit clocks can be active even when the codec in the
device is powered down. This is useful when using the TDM mode with multiple codecs on the same bus,
or when word clocks or bit clocks are used in the system as general-purpose clocks.
5.8.1.1
Right-Justified Mode
The audio interface of the TLV320DAC3120 can be put into right-justified mode by programming page 0 /
register 27, bits D7–D6 = 10. In right-justified mode, the LSB of the left channel is valid on the rising edge
of the bit clock preceding the falling edge of the word clock. Similarly, the LSB of the right channel is valid
on the rising edge of the bit clock preceding the rising edge of the word clock.
Figure 5-19. Timing Diagram for Right-Justified Mode
For right-justified mode, the number of bit clocks per frame should be greater than or equal to twice the
programmed word length of the data.
Copyright 2009, Texas Instruments Incorporated
APPLICATION INFORMATION
45
Product Folder Link(s): TLV320DAC3120
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相關代理商/技術參數 |
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| TLV320DAC3120IRHBT | 功能描述:音頻數/模轉換器 IC Lo-Pwr Audio DAC w/ Audio Proc RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| TLV320DAC3120IRHBT | 制造商:Texas Instruments 功能描述:D/A Converter (D-A) IC 制造商:Texas Instruments 功能描述:IC, DAC, 32BIT, 192KSPS, QFN-32 |
| TLV320DAC32 | 制造商:BB 制造商全稱:BB 功能描述:LOW POWER STEREO AUDIO DAC FOR PORTABLE AUDIO/TELEPHONY |
| TLV320DAC3202 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW POWER HIGH FIDELITY I2S INPUT HEADSET IC |
| TLV320DAC3202BYZJR | 功能描述:音頻數/模轉換器 IC Lo Pwr Hi Fidelity I2S Input Headset IC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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