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参数资料
| 型号： | TPA2008D2EVM |
| 厂商： | Texas Instruments |
| 文件页数： | 1/26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： | 板 |
| 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
FEATURES
DESCRIPTION
APPLICATIONS
PO Output Power W
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
0.01
0.1
1
4
20
0.01
0.1
1
10
f = 20 kHz
f = 1 kHz
f = 20 Hz
VDD = 5 V
RL = 3
Gain = 0 dB
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1
1.5
2
2.5
3
3.5
8
Speaker
4
Speaker
3
Speaker
VDD = 5 V
No Filter
Efficiency
%
PO Output Power W
EFFICIENCY
vs
OUTPUT POWER
TPA2008D2
SLOS413C – JULY 2003 – REVISED MAY 2004
3-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL
3 W Per Channel into 3-
Speakers
The TPA2008D2 is a third generation 5-V class-D
(THD+N = 10%)
amplifier from Texas Instruments. Improvements to
previous generation devices include: dc volume con-
– < 0.045% THD at 1.5 W, 1 kHz, 3-
Load
trol, lower supply current, lower noise floor, higher
DC Volume Control With 2-dB Steps From
efficiency, smaller packaging, and fewer external
-38 dB to 20 dB
components. Most notably, a new filter-free class-D
Filter Free Modulation Scheme Operates
modulation technique allows the TPA2008D2 to di-
Without a Large and Expensive LC Output
rectly drive the speakers, without needing a low-pass
output filter consisting of two inductors and three
Filter
capacitors per channel. Eliminating this output filter
Extremely Efficient Third Generation 5-V
saves approximately 30% in system cost and 75% in
Class-D Technology
PCB area.
– Low Supply Current, 7 mA
The improvements and functionality make this device
– Low Shutdown Control, 1 A
ideal for LCD projectors, LCD monitors, powered
– Low Noise Floor, -80 dBV
speakers, and other applications that demand more
battery life, reduced board space, and functionality
– Maximum Efficiency into 3
, 78%
that surpasses currently available class-D devices.
– Maximum Efficiency into 8
, 88%
A chip-level shutdown control limits total supply
– PSRR, -70 dB
current to 1 A, making the device ideal for bat-
Integrated Depop Circuitry
tery-powered applications. Protection circuitry in-
Operating Temperature Range, -40
°C to 85°C
creases device reliability: thermal and short circuit.
Undervoltage shutdown saves battery power for more
Space-Saving, Surface Mount PowerPAD
essential devices when battery voltage drops to low
Package
levels.
The TPA2008D2 is available in a 24-pin TSSOP
PowerPADpackage.
LCD Projectors
LCD Monitors
Powered Speakers
Battery Operated and Space Constrained
Systems
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2003–2004, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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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 |
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