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参数资料
| 型号： | TAS5001IPFBR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封装： | GREEN, PLASTIC, TQFP-48 |
| 文件页数： | 20/21页 |
| 文件大小： | 423K |
| 代理商： | TAS5001IPFBR |
TAS5001
SLES009A SEPTEMBER 2001 REVISED DECEMBER 2001
8
www.ti.com
functional description (continued)
Initialization
Normal State
MUTE
VALID_L
5 ms max
10
s Maximum
5050 Duty Cycle
(P, M Complementary)
Inactive State
VALID_R
PWM Outputs
PWM_AP_L
PWM_AM_L
PWM_AP_R
PWM_AM_R
(P, M Complementary)
Figure 5. Mute Timing
double speed
Double-speed mode is used to support sampling rates of 88.2 kHz and 96 kHz. In order to put the TAS5001 in
double-speed mode with the device in normal operating conditions, the RESET pin must be held low while
switching the DBSPD pin high. After the RESET pin is brought high again, a reset sequence takes place. If the
change is at power up, a power-up sequence is originated.
de-emphasis filter
For audio sources that have been preemphasized, a precision 50-
s/15-s de-emphasis filter is provided to
support the sampling rates of 44.1 kHz and 48 kHz. Pins DEM_SEL and DEM_EN select the de-emphasis
functions. See Figure 6 for a graph showing the de-emphasis filtering characteristics. See Table 3 for
de-emphasis selection.
0
10
Response
dB
3.18 (50
s)
10.6 (15
s)
f Frequency kHz
De-emphasis
Figure 6. De-Emphasis Filter Characteristics
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| TAS5001PFB | 功能描述:音频 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS5001PFBG4 | 功能描述:音频 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS5001PFBR | 功能描述:音频 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS5001PFBRG4 | 功能描述:音频 DSP Dig Aud PWM Proc RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS5010 | 制造商:TI 制造商全称:Texas Instruments 功能描述:TRUE DIGITAL AUDIO AMPLIFIER TAS5010 DIGITAL AUDIO PWM PROCESSOR |
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