參數(shù)資料
型號(hào)： TAS5706APAP
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(yè)數(shù)： 48/71頁(yè)
文件大?。?/td> 1554K
代理商： TAS5706APAP
OSCILLATOR TRIM REGISTER (0x1B)
Oscillator Trim Enable Procedure Example
BKND_ERR REGISTER (0x1C)
SLOS606D – MARCH 2009 – REVISED SEPTEMBER 2009............................................................................................................................................. www.ti.com
The TAS5706A PWM processor contains an internal oscillator for PLL reference. This reduces system cost
because an external reference is not required. Currently, TI recommends a trim resistor value of 18.2 k
(1%).
This should be connected between OSC_RES and DVSS.
The factory-trim procedure simply enables the factory trim that was previously done at the factory.
Note that trim always must be run following reset of the device.
Write data 0x00 to register 0x1B (enable factory trim).
Table 17. 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.
When a back-end error signal is received (BKND_ERR = LOW), all the output stages are reset by setting all
PWM, VALID1, and VALID2 signals LOW. Subsequently, the modulator waits approximately for the time listed in
Table 18 before initiation of a reset.
Table 18. BKND_ERR Register (0x1C)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
–
0
Set back-end reset period to 0 ms (Reserved)
–
0
1
Set back-end reset period to 150 ms (Reserved)
–
0
1
0
Set back-end reset period to 299 ms (1)
–
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
0
Set back-end reset period to 1496 ms
–
1
0
1
Set back-end reset period to 1496 ms
–
1
–
Set back-end reset period to 1496 ms
(1)
Default values are in bold.
52
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TAS5706A TAS5706B
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TAS5706APAP 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC
TAS5706APAPG4 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
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
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