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參數(shù)資料
| 型號： | TLV320AIC29IRGZ |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | Codec |
| 英文描述： | STWREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS |
| 中文描述： | STWREO音頻編解碼器集成耳機和音箱放大器 |
| 文件頁數(shù)： | 33/85頁 |
| 文件大?。?/td> | 1007K |
| 代理商： | TLV320AIC29IRGZ |
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SLAS494A DECEMBER 2005 REVISED JANUARY 2006
www.ti.com
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Figure 24. Connection Diagram for Jacks
Headset Detection
Interrupt polarity: Active high.
Typical interrupt duration: 1.75 ms.
Debounce programmability on bits D10 and D9 in control register 22H/Page 2:
00 => 16 ms duration (with 2 ms clock resolution)
01 => 32 ms duration (with 4 ms clock resolution)
10 => 64 ms duration (with 8 ms clock resolution)
11 => 128 ms duration (with 16 ms clock resolution)
Headset detect flag is available till headset is connected.
Button Detection
Interrupt polarity: Active high.
Typical interrupt duration: Button pressed time + clock resolution. Clock resolution depends upon
debounce programmability.
Typical interrupt delay from button: Debounce duration + 0.5ms
Debounce programmability:
00 => No glitch rejection
01 => 8 ms duration (with 1 ms clock resolution)
10 => 16 ms duration (with 2 ms clock resolution)
11 => 32 ms duration (with 4 ms clock resolution)
Button detect flag is set when button is pressed. It gets clear when flag read is done after button press
removal.
AUDIO ROUTING
Audio Interface for Smart-Phone Applications
The AIC29 supports audio routing features to combine various analog inputs and route them to analog outputs
or the ADC for smartphone applications. In smart-phone applications, the AIC29 can be used to interface the
cell-phone module to microphones and speakers. The AIC29 allows the input from the cell-phone module to
be routed to different speakers through a PGA which supports a range of 12 dB to –34.5 dB in steps of 0.5 dB.
The cell-phone input can also be mixed with the microphone input for recording through the ADC. The
microphone or DAC audio can be routed to the cell-phone output. The buzzer input from cell-phone can be
routed to the speakers through a PGA. The buzzer input supports PGA range of 0 dB to –45 dB in steps of 3
dB. The mixing and PGA are under full software control. The mixing feature can be used even when both ADC
and DAC are powered down. Cell-phone PGA, microphone PGA and buzzer PGA includes soft-stepping logic.
Soft-stepping logic works on Fsref if DAC is powered up otherwise; it works on internal oscillator clocks.
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| TLV320AIC29IRGZR | 功能描述:接口—CODEC Stereo 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 |
| TLV320AIC29IRGZRG4 | 功能描述:接口—CODEC Stereo 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 |
| TLV320AIC29IRGZT | 功能描述:接口—CODEC Stereo 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 |
| TLV320AIC29IRGZTG4 | 功能描述:接口—CODEC Stereo 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 |
| TLV320AIC3004IRHBR | 制造商:Texas Instruments 功能描述:TISTLV320AIC3004IRHBR LOW-POWER STEREO |
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