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參數(shù)資料
| 型號(hào)： | TAS3002 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | QFP-48 |
| 文件頁(yè)數(shù)： | 14/54頁(yè) |
| 文件大?。?/td> | 266K |
| 代理商： | TAS3002 |
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4.6
Bass Control
The bass gain level can be adjusted within the range of 15 dB to 15 dB with 0.5-dB step resolution. The level changes
are accomplished by downloading bass codes (shown in NO TAG) into the bass frequency control register.
Alternatively, a limited range of bass control is available by asserting the bass-up or bass-down GPI terminal (see
Section 7.6.1).
Bass control is a shelf filter with a corner frequency of 250 Hz at a 48-kHz sample rate.
The gain values for bass control can be found in Section NO TAG.
4.7
De-Emphasis Mode (DM)
De-emphasis is implemented in the DAC and is software controlled. De-emphasis is valid at 44.1 kHz and 48 kHz.
To enable de-emphasis, values are written into the analog control register via the I2C command. See Section 4.8 for
analog control register operation.
Figure 42 illustrates the frequency response of the de-emphasis mode.
Response (dB)
3.18
(50
s)
10.6
(15
s)
Frequency (kHz)
De-Emphasis
Figure 42. De-Emphasis Mode Frequency Response
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| TAS3002PFB | 功能描述:音頻 DSP Digital Audio Processor w/ Codec 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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| TAS3002PFBR | 功能描述:音頻 DSP Digital Audio Processor w/ Codec 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 |
| TAS3002PFBRG4 | 功能描述:音頻 DSP Digital Audio Processor w/ Codec 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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