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參數資料
| 型號： | TPA2001D1PWG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO16 |
| 封裝： | GREEN, PLASTIC, TSSOP-16 |
| 文件頁數： | 16/17頁 |
| 文件大小： | 443K |
| 代理商： | TPA2001D1PWG4 |
TPA2001D1
1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
SLOS338D – SEPTEMBER 2000 – REVISED DECEMBER 2002
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 1. Gain Settings
GAIN1
GAIN0
AMPLIFIER GAIN
(dB)
INPUT IMPEDANCE
(k
)
GAIN1
GAIN0
TYP
0
6
104
0
1
12
74
1
0
18
44
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 –3dB
or cutoff frequency also changes by over six times.
Ci
IN
ZI
ZF
Input
Signal
The –3 dB frequency can be calculated using equation 4.
(4)
fc +
1
2
p Z
I
C
i
input capacitor, Ci
In the typical application an input capacitor (Ci) is required to allow the amplifier to bias the input signal to the
proper dc level for optimum operation. In this case, Ci and the input impedance of the amplifier (ZI) form a
high-pass filter with the corner frequency determined in equation 5.
fc +
1
2
pZ
I
C
i
–3 dB
fc
(5)
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相關代理商/技術參數 |
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| TPA2001D1PWR | 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 |
| TPA2001D1PWRG4 | 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 |
| TPA2001D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1-W FILTERLESS STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA2001D2_06 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1-W FILTERLESS STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA2001D2EVM | 功能描述:音頻 IC 開發工具 TPA2001D2 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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