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参数资料
| 型号： | TPA2000D1PWRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO16 |
| 封装： | GREEN, PLASTIC, TSSOP-16 |
| 文件页数： | 8/23页 |
| 文件大小： | 500K |
| 代理商： | TPA2000D1PWRG4 |
www.ti.com
LOW SUPPLY VOLTAGE POP
INN
1 MW
VDD
INP
TPA2000D1
+
Audio In
TPA2000D1
SLOS328F – JUNE 2000 – REVISED MARCH 2004
The TPA2000D1 pops when coming out of shutdown at low supply voltages (3.3 V and less) when using the
application schematic shown above. The pops occur because the common-mode input range is worse at the
lower supply voltages. At low supply voltages, the inputs are not within the common-mode input range when
coming out of shutdown. The outputs develop an offset voltage until the inputs settle within the common-mode
input range. This causes a pop. Figure 12 shows 1-M
resistors added to form voltage dividers. The voltage
dividers bias the inputs to VDD/2 that keeps the pop low at turn on and when coming out of shutdown. The
resistors should be 1% tolerance to ensure the offset voltage is not increased.
Figure 12. Voltage Dividers
16
相关PDF资料 |
PDF描述 |
|---|---|
| TPA2000D1PWG4 | 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO16 |
| TPA2000D1TPWRG4Q1 | 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO16 |
| TPA2000D1TPWRQ1 | 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO16 |
| TPA2000D2PWPR | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| TPA2000D2PWP | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPA2000D1-Q1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER |
| TPA2000D1TPWRG4Q1 | 功能描述:音频放大器 Mono Filter-Free Class-D Audio Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA2000D1TPWRQ1 | 功能描述:音频放大器 Auto Cat Mono Filter Free Class D RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA2000D2 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2-W FILTERLESS STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA2000D2_07 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2-W FILTERLESS STEREO CLASS-D AUDIO POWER AMPLIFIER |
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