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參數(shù)資料
| 型號： | TAS5715PHP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 41.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封裝： | 7 X 7 MM, GREEN, PLASTIC, HTQFP-48 |
| 文件頁數(shù)： | 59/74頁 |
| 文件大?。?/td> | 2771K |
| 代理商： | TAS5715PHP |
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SLOS645 – AUGUST 2010
www.ti.com
OSCILLATOR TRIM REGISTER (0x1B)
The TAS5715 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 19. 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 20 before attempting
to re-start the power stage.
Table 20. BKND_ERR Register (0x1C)(1)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
1
–
Headphone start/stop time = 4 ms(2)
–
0
1
0
Set back-end reset period to 299 ms
–
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(2)
–
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 a reset.
(2)
Default values are in bold.
62
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TAS5715
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| TAS5715PHPR | 功能描述:音頻放大器 25W Stereo I2S Audio 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 |
| TAS5716 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:20-W Stereo Digital-Audio Power Amplifier With EQ and DRC |
| TAS5716PAP | 功能描述:音頻放大器 20W St Closed-loop I2S Audio 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 |
| TAS5716PAPR | 功能描述:音頻放大器 20W St Closed-loop I2S Audio 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 |
| TAS5717 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-W/15-W Digital Audio Power Amplifier with Integrated Cap-Free HP Amplifier |
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