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參數(shù)資料
| 型號： | TAS5707APHPR |
| 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, PQFP48 |
| 封裝： | 7 X 7 MM, GREEN, PLASTIC, HTQFP-48 |
| 文件頁數(shù)： | 40/57頁 |
| 文件大小： | 1000K |
| 代理商： | TAS5707APHPR |
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www.ti.com
SLOS556B – NOVEMBER 2008 – REVISED NOVEMBER 2009
OSCILLATOR TRIM REGISTER (0x1B)
The TAS5707 PWM processor contains an internal oscillator to support autodetect of I2S clock rates. This
reduces system cost because an external reference is not required. Currently, TI recommends a reference
resistor value of 18.2 k
(1%). This should be connected between OSC_RES and DVSSO.
Writing 0X00 to reg 0X1B enables the trim that was programmed at the factory.
Note that trim must always be run following reset of the device.
Table 18. Oscillator Trim Register (0x1B)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
1
–
Reserved (1)
–
0
–
Oscillator trim not done (read-only) (1)
–
1
–
Oscillator trim done (read only)
–
0
–
Reserved (1)
–
0
–
Select factory trim (Write a 0 to select factory trim; default is 1.)
–
1
–
Factory trim disabled (1)
–
0
Reserved (1)
(1)
Default values are in bold.
BKND_ERR REGISTER (0x1C)
When a back-end error signal is received from the internal power stage, the power stage is reset stopping all
PWM activity. Subsequently, the modulator waits approximately for the time listed in Table 19 before attempting
to re-start the power stage.
Table 19. BKND_ERR Register (0x1C)(1)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
X
Reserved
–
0
1
0
Set back-end reset period to 299 ms (2)
–
0
1
Set back-end reset period to 449 ms
–
0
1
0
Set back-end reset period to 598 ms
–
0
1
0
1
Set back-end reset period to 748 ms
–
0
1
0
Set back-end reset period to 898 ms
–
0
1
Set back-end reset period to 1047 ms
–
1
0
Set back-end reset period to 1197 ms
–
1
0
1
Set back-end reset period to 1346 ms
–
1
0
1
X
Set back-end reset period to 1496 ms
–
1
X
Set back-end reset period to 1496 ms
(1)
This register can be written only with a "non-Reserved" value. Also this register can be written once after the reset.
(2)
Default values are in bold.
Copyright 2008–2009, Texas Instruments Incorporated
45
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TAS5707EVM | 功能描述:音頻 IC 開發(fā)工具 TAS5707EVM 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 |
| TAS5707LPHPR | 制造商:Texas Instruments 功能描述:20-W STEREO I2S AUDIO POWER AMPLIFIER WI |
| TAS5707PHP | 功能描述:音頻放大器 20W Stereo 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 |
| TAS5707PHPR | 功能描述:音頻放大器 20W Stereo 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 |
| TAS5708 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ/DRC and FEEDBACK |
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