参数资料
型号: TPA2008D2EVM
厂商: Texas Instruments
文件页数: 4/26页
文件大小: 0K
描述: EVAL MODULE FOR TPA2008D2
标准包装: 1
放大器类型: D 类
输出类型: 2 通道(立体声)
在某负载时最大输出功率 x 通道数量: 3W x 2 @ 3 欧姆
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
板类型: 完全填充
已用 IC / 零件: TPA2008D2
已供物品:
产品目录页面: 876 (CN2011-ZH PDF)
相关产品: TPA2008D2PWPRG4-ND - IC AMP AUDIO PWR 3W STER 24TSSOP
TPA2008D2PWPG4-ND - IC AMP AUDIO PWR 3W STER 24TSSOP
296-17158-6-ND - IC AMP AUDIO PWR 3W STER 24TSSOP
296-17158-1-ND - IC AMP AUDIO PWR 3W STER 24TSSOP
296-17158-2-ND - IC AMP AUDIO PWR 3W STER 24TSSOP
296-15339-5-ND - IC AMP AUDIO PWR 3W STER 24TSSOP
其它名称: 296-18922
www.ti.com
TRADITIONAL CLASS-D MODULATION SCHEME
0 V
5 V
+5 V
Current
OUTP
Differential Voltage
Across Load
OUTN
TPA2008D2
SLOS413C – JULY 2003 – REVISED MAY 2004
APPLICATION INFORMATION (continued)
The traditional class-D modulation scheme, which is used in the TPA032D0x family, has a differential output
where each output is 180 degrees out of phase and changes from ground to the supply voltage, VCC. Therefore,
the differential prefiltered output varies between positive and negative VCC, where filtered 50% duty cycle yields 0
V across the load. The traditional class-D modulation scheme with voltage and current waveforms is shown in
Figure 14. Note that even at an average of 0 V across the load (50% duty cycle), the current to the load is high,
resulting in a high I2R loss, thus causing a high supply current.
Figure 14. Traditional Class-D Modulation Scheme's Output Voltage and Current Waveforms Into an
Inductive Load With No Input
12
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相关代理商/技术参数
参数描述
TPA2008D2PWP 功能描述:音频放大器 Stereo Hi-Pwr 5-V 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
TPA2008D2PWPG4 功能描述:音频放大器 Stereo Hi-Pwr 5-V 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
TPA2008D2PWPR 功能描述:音频放大器 Stereo Hi-Pwr 5-V 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
TPA2008D2PWPRG4 功能描述:音频放大器 Stereo Hi-Pwr 5-V 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
TPA200RL 功能描述:TVS 二极管 - 瞬态电压抑制器 200V 50uA Bidirect RoHS:否 制造商:Vishay Semiconductors 极性:Bidirectional 工作电压: 击穿电压:58.9 V 钳位电压:77.4 V 峰值浪涌电流:38.8 A 系列: 封装 / 箱体:DO-214AB 最小工作温度:- 55 C 最大工作温度:+ 150 C