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参数资料
| 型号： | TPA2000D4DAPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32 |
| 封装： | PLASTIC, HTSSOP-32 |
| 文件页数： | 15/27页 |
| 文件大小： | 579K |
| 代理商： | TPA2000D4DAPR |
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TPA2000D4
STEREO 2W CLASSD AUDIO POWER AMPLIFIER
WITH STEREO HP AMPLIFIER
SLOS337B DECEMBER 2000 REVISED NOVEMBER 2005
22
WWW.TI.COM
APPLICATION INFORMATION
midrail bypass capacitor, CBYP (continued)
Increasing the bypass capacitor reduces clicking and popping noise from power on/off and entering and leaving
shutdown. To have minimal pop, CBYP should be 10 times larger than CI.
(16)
CBYP ≥ 10 × CI
differential input
The differential input stage of the amplifier cancels any noise that appears on both input lines of a channel. To
use the TPA2000D4 EVM with a differential source, connect the positive lead of the audio source to the RINP
(LINP) input and the negative lead from the audio source to the RINN (LINN) input. To use the TPA2000D4 with
a single-ended source, ac ground the RINN and LINN inputs through a capacitor and apply the audio single to
the RINP and LINP inputs. In a single-ended input application, the RINN and LINN inputs should be ac-grounded
at the audio source instead of at the device inputs for best noise performance.
shutdown modes
The TPA2000D4 employs a shutdown mode of operation designed to reduce supply current, IDD, to the absolute
minimum level during periods of nonuse for battery-power conservation. The SHUTDOWN input terminal
should be held high during normal operation when the amplifier is in use. Pulling SHUTDOWN low causes the
outputs to mute and the amplifier to enter a low-current state, IDD(SD) = 0.05 A. SHUTDOWN should never be
left unconnected because amplifier operation would be unpredictable.
using low-ESR capacitors
Low-ESR capacitors are recommended throughout this application section. A real (as opposed to ideal)
capacitor can be modeled simply as a resistor in series with an ideal capacitor. The voltage drop across this
resistor minimizes the beneficial effects of the capacitor in the circuit. The lower the equivalent value of this
resistance the more the real capacitor behaves like an ideal capacitor.
相关PDF资料 |
PDF描述 |
|---|---|
| TPA2000D4DAP | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32 |
| TPA2000D4DAPG4 | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32 |
| TPA2000D4GQC | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA32 |
| TPA2001D1GQCR | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA48 |
| TPA2001D1GQC | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA48 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPA2000D4DAPRG4 | 功能描述:音频放大器 Stereo 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 |
| TPA2000D4EVM | 功能描述:音频 IC 开发工具 TPA2000D4 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TPA2000D4GQC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:AUDIO AMPLIFIER|DUAL|CMOS|BGA|48PIN|PLASTIC |
| TPA2001D1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER |
| TPA2001D1_06 | 制造商:TI 制造商全称:Texas Instruments 功能描述:1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER |
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