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參數(shù)資料
| 型號： | TLV320AIC34_1 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | Codec |
| 英文描述： | FOUR-CHANNEL, LOW-POWER AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY |
| 中文描述： | 四通道，低功耗音頻編解碼器的便攜式音頻/電話 |
| 文件頁數(shù)： | 2/94頁 |
| 文件大?。?/td> | 905K |
| 代理商： | TLV320AIC34_1 |
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DESCRIPTION (CONTINUED)
The TLV320AIC34 contains eight high-power output drivers as well as six line-level output drivers. The
high-power output drivers are capable of driving a variety of load configurations, including up to eight channels of
single-ended 16-
headphones using ac-coupling capacitors, or four channels in a capless output configuration.
In addition, for codec A, pairs of drivers can be used to drive mono or stereo 8-
speakers directly in a BTL
configuration at 500 mW per channel.
TLV320AIC34
SLAS538A–OCTOBER 2007–REVISED NOVEMBER 2007
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
The four-channel audio DAC supports sampling rates from 8 kHz to 96 kHz and includes programmable digital
filtering in each path for 3D, bass, treble, midrange effects, speaker equalization, and de-emphasis for 32-kHz,
44.1-kHz, and 48-kHz rates. The four-channel audio ADC supports sampling rates from 8 kHz to 96 kHz and is
preceded by programmable gain amplifiers providing up to 59.5-dB analog gain for low-level microphone inputs.
The TLV320AIC34 provides an extremely high range of programmability for both attack (8–1,408 ms) and for
decay (0.05–22.4 seconds). This extended AGC range allows the AGC to be tuned for many types of
applications.
For battery saving applications where neither analog nor digital signal processing is required, the device can be
put in a special analog signal pass-through mode. This mode significantly reduces power consumption, as most
of the device is powered down during this pass through operation.
The serial control bus supports normal-speed and fast I
2
C protocols, whereas the dual serial audio data busses
are programmable for I
2
S, left/right-justified, DSP, PCM, or TDM mode. Two highly programmable PLLs are
included for flexible clock generation and support for all standard audio rates from a wide range of available
MCLK_x frequencies, varying from 512 kHz to 50 MHz, with special attention paid to the most popular cases of
12-MHz, 13-MHz, 16-MHz, 19.2-MHz, and 19.68-MHz system clocks.
The TLV320AIC34 operates from an analog supply of 2.7 V–3.6 V, a digital core supply of 1.65 V–1.95 V, and a
digital I/O supply of 1.1 V–3.6 V. The device is available in a 6-mm
×
6-mm, 87-ball MicroStar Junior BGA
package.
2
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Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s):
TLV320AIC34
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLV320AIC34EVM-K | 功能描述:音頻 IC 開發(fā)工具 TLV320AIC34EVM-K 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 |
| TLV320AIC34IZAS | 功能描述:接口—CODEC Low-Pwr 4-channel 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 |
| TLV320AIC34IZASR | 功能描述:接口—CODEC Low-Pwr 4-channel 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 |
| TLV320AIC36 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low Power Stereo Audio Codec With Embedded miniDSP |
| TLV320AIC36EVM-K | 功能描述:音頻 IC 開發(fā)工具 TLV320AIC36 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 |
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