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參數(shù)資料
| 型號： | TAS5706APAPG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| 封裝： | 10 X 10 MM, GREEN, PLASTIC, HTQFP-64 |
| 文件頁數(shù)： | 33/71頁 |
| 文件大?。?/td> | 1554K |
| 代理商： | TAS5706APAPG4 |
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I
2C SERIAL CONTROL COMMAND CHARACTERISTICS
www.ti.com............................................................................................................................................. SLOS606D – MARCH 2009 – REVISED SEPTEMBER 2009
The DAP has two groups of I2C commands. One set is commands that are designed specifically to be operated
while audio is streaming and that have built-in mechanisms to prevent noise, clicks, and pops. The other set
does not have this built-in protection.
Commands that are designed to be adjusted while audio is streaming:
Master volume
Master mute
Individual channel volume
Individual channel mute
Commands that are normally issued as part of initialization:
Serial data interface format
De-emphasis
Sample-rate conversion
Input multiplexer
Output multiplexer
Biquads
Down mix
Channel delay
Enable/disable dc blocking
Hard/soft unmute from clock error
Enable/disable headphone outputs
Start-up sequence for correct device operation
This sequence must be followed to ensure proper operation.
1. Hold ALL logic inputs low. Power up AVDD/DVDD and wait for the inputs to settle in the allowed range.
2. Drive PDN = 1, MUTE = 1, and drive other logic inputs to the desired state.
3. Provide a stable MCLK, LRCLK, and SCLK (clock errors must be avoided during the initialization sequence) .
4. After completing step 3, wait 100
s, then drive RESET = 1, and wait 13.5 ms after RESET goes high.
5. Trim the internal oscillator (write 0x00 to register 0x1B).
6. Wait 50 ms while the part acquires lock.
7. Configure the DAP via I2C, e.g.:
–
Downmix control (0x21)
–
Biquads (0x23–0x24 and 0x29–0x38)
–
DRC parameters and controls (0x3A–0x46)
–
Bank select (0x50)
NOTE: User may not issue any I2C reads or writes to the above registers after this step is complete.
8. Configure remaining I2C registers, e.g.:
–
Shutdown group
–
De-emphasis
–
Input multiplexers
–
Output multiplexers
–
Channel delays
–
DC blocking
–
Hard/soft unmute from clock error
–
Serial data interface format
–
Clock register (manual clock mode only)
NOTE: The BKND_ERR register (0x1C) can only be written once with a value that is not reserved (00
and 01 are reserved values).
9. Exit all-channel shutdown (write 0 to bit 6 of register 0x05).
Copyright 2009, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TAS5706APAPR | 功能描述:音頻放大器 20W stereo Digital Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5706APAPRG4 | 功能描述:音頻放大器 AUDIO Pwr STAGE & Proc RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5706BPAP | 功能描述:音頻放大器 20W Closed-loop I2S Audio Power Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5706BPAPR | 功能描述:音頻放大器 20W Closed-loop I2S Audio Power Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5706EVM | 功能描述:音頻 IC 開發(fā)工具 TAS5706EVM 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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