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參數(shù)資料
| 型號(hào)： | TLV320ALC23 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類(lèi)： | Codec |
| 英文描述： | Evaluation Platform for the TLV320ALC23 Stereo Audio CODEC and TLV230DAC23 Stereo DAC |
| 中文描述： | 評(píng)估平臺(tái)為T(mén)LV320ALC23 DAC的立體聲音頻編解碼器和立體聲TLV230DAC23 |
| 文件頁(yè)數(shù)： | 38/46頁(yè) |
| 文件大?。?/td> | 452K |
| 代理商： | TLV320ALC23 |
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SLAS428 AUGUST 2004
www.ti.com
38
LAYOUT
The following layout suggestions should provide optimum performance from the ’DAC26. However, many portable
applications have conflicting requirements concerning power, cost, size, and weight. In general, most portable devices
have fairly
clean
power and grounds because most of the internal components are very low power. This situation means
less bypassing for the converter power and less concern regarding grounding. Still, each situation is unique and the
following suggestions should be reviewed carefully.
For optimum performance, care must be taken with the physical layout of the ’DAC26 circuitry. Power to the ’DAC26 must
be clean and well bypassed. A 0.1-
μ
F ceramic bypass capacitor must be placed as close to the device as possible. A 1-
μ
F
to 10-
μ
F capacitor may also be needed if the impedance between the ’DAC26 supply pins and the system power supply
is high.
The ground pins must be connected to a clean ground point. In many cases, this is the
analog
ground. Avoid connections
which are too near the grounding point of a microcontroller or digital signal processor. If needed, run a ground trace directly
from the converter to the power supply entry or battery connection point. The ideal layout includes an analog ground plane
dedicated to the converter and associated analog circuitry.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TLV320AIC14C | PRODUCT NOTIFICATION |
| TLV320AIC14I | PRODUCT NOTIFICATION |
| TLV320DAC23IGQE | STEREO AUDIO D/A CONVERTER, 8-TO 96KHZ WITH INTERGRATED HEADPHONE AMPLIFIER |
| TLV320AIC25IPFBR | Layout and Grounding Guidelines for TLV320AIC2x |
| TLV320AIC25IPFBRG4 | Layout and Grounding Guidelines for TLV320AIC2x |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLV320ALC31 | 制造商:BB 制造商全稱(chēng):BB 功能描述:LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY |
| TLV320DA26IRHBG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Lo-Pwr Ster DAC w/Hdphn/Spkr Amp RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類(lèi)型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| TLV320DAC23 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:STEREO AUDIO D/A CONVERTER, 8-TO 96KHZ WITH INTERGRATED HEADPHONE AMPLIFIER |
| TLV320DAC23_07 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Stereo Audip D/A Converter, 8-to 96 kHz With intergrated haeadphone Amplifier |
| TLV320DAC23GQE | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Low-Power Portable Aud Converter RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類(lèi)型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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