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參數(shù)資料
| 型號： | TAS5012IPFBG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | GREEN, PLASTIC, TQFP-48 |
| 文件頁數(shù)： | 19/19頁 |
| 文件大?。?/td> | 245K |
| 代理商： | TAS5012IPFBG4 |
TAS5012
SLES006A – SEPTEMBER 2001 – REVISED DECEMBER 2001
9
www.ti.com
functional description (continued)
de-emphasis selection
De-emphasis selection is accomplished by using the DEM_SEL and DEM_EN pins. See Table 3 for de-emphasis
selection description.
Table 3. De-Emphasis Selection
DEM_SEL
DEM_EN
DESCRIPTION
0
De-emphasis disabled
0
1
De-emphasis enabled for Fs = 44.1 kHz
1
De-emphasis enabled for Fs = 48 kHz
1
0
Forbidden state. Do not use.
error status reporting (VALID_L and VALID_R)
The following is a list of the error conditions that will cause the VALID_L and VALID_R pins to be asserted low:
D No clocks
D Clock phase errors
When either of the above conditions is met, the VALID_L and VALID_R goes low and the PWM outputs go to the hard
mute state. If the error condition is removed, the TAS5012 is reinitialized and the VALID_L and VALID_R pins are
asserted high.
serial interface formats
The TAS5012 is compatible with eight different serial interfaces. Available interface options are IIS, right justified, left
justified, and DSP frame. Table 4 indicates how these options are selected using the MOD0, MOD1, and MOD2 pins.
Table 4. Hardware Selection of Serial Audio Modes
MODE
MOD2 PIN
MOD1 PIN
MOD0 PIN
SERIAL INTERFACE
SDIN
0
16 bit, MSB first; right justified
1
0
1
20 bit, MSB first; right justified
2
0
1
0
24 bit, MSB first; right justified
3
0
1
16 bit IIS
4
1
0
20 bit IIS
5
1
0
1
24 bit IIS
6
1
0
16 bit MSB first, left justified
7
1
16 bit DSP frame
The following figures illustrate the relationship between the SCLK, LRCLK and the serial data I/O for the different
interface protocols. Note that there are always 64 SCLKs per LRCLK. The nondata bits are padded with binary 0s.
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相關(guān)代理商/技術(shù)參數(shù) |
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| TAS5012IPFBR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:TRUE DIGITAL AUDIO AMPLIFIER TAS5012 DIGITAL AUDIO PWM PROCESSOR |
| TAS5012PFB | 功能描述:音頻 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TAS5012PFBG4 | 功能描述:音頻 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TAS5012PFBR | 功能描述:音頻 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TAS5012PFBRG4 | 功能描述:音頻 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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