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參數資料
| 型號： | TPA2000D1GQC |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER |
| 中文描述： | 2 - W型單聲道無濾波器D類音頻功率放大器 |
| 文件頁數： | 8/14頁 |
| 文件大小： | 205K |
| 代理商： | TPA2000D1GQC |
TPA2000D1
2-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
SLOS328B
–
JUNE 2000
–
REVISED MAY 2001
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 1. Gain Settings
GAIN0
GAIN1
AMPLIFIER GAIN
(dB)
INPUT IMPEDANCE
(k
)
TYP
TYP
0
0
6
104
0
1
12
74
1
0
18
44
1
1
23.5
24
input resistance
Each gain setting is achieved by varying the input resistance of the amplifier, which can range from its smallest
value to over six times that value. As a result, if a single capacitor is used in the input high-pass filter, the
–
3 dB
or cutoff frequency will also change by over six times.
Ci
IN
Zi
Zf
Input
Signal
The
–
3-dB frequency can be calculated using equation 4.
(4)
f
–
3 dB
1
2
C
i
R Z
i
input capacitor, C
i
In the typical application an input capacitor (C
i
) is required to allow the amplifier to bias the input signal to the
proper dc level for optimum operation. In this case, C
i
and the input impedance of the amplifier (Z
i
) form a
high-pass filter with the corner frequency determined in equation 5.
f
c
1
2 Z
i
C
i
–
3 dB
fc
(5)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA2000D1GQCR | 功能描述:音頻放大器 Mono Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2000D1PW | 功能描述:音頻放大器 2W Class-D RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2000D1PW | 制造商:Texas Instruments 功能描述:POWER AMP CLASS-D AUDIO SMD 2000 |
| TPA2000D1PWG4 | 功能描述:音頻放大器 Mono Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2000D1PWR | 功能描述:音頻放大器 Mono Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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