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參數資料
| 型號： | TPA2000D2PWG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封裝： | GREEN, PLASTIC, TSSOP-24 |
| 文件頁數： | 18/22頁 |
| 文件大小： | 679K |
| 代理商： | TPA2000D2PWG4 |
www.ti.com
TYPICAL CHARACTERISTICS
TEST SET-UP FOR GRAPHS
C2
C1
L1
L2
OUT–
OUT+
SLOS291F – MARCH 2000 – REVISED MARCH 2007
Table of Graphs
FIGURE
η
Efficiency
vs Output power
2, 3
FFT at 1.5 W output power
vs Frequency
4
vs Output power
5-7
THD+N
Total harmonic distortion plus noise
vs Frequency
8, 9
Crosstalk
vs Frequency
10
Power supply rejection ratio
vs Frequency
11
The THD+N measurements shown do not use an LC output filter, but use a low pass filter with a cutoff
frequency of 20 kHz so the switching frequency does not dominate the measurement. This is done to ensure
that the THD+N measured is just the audible THD+N. The THD+N measurements are shown at the highest gain
for worst case.
L1 = L2 = 22 H (DCR = 110 m
,
Part number = SCD0703T-220 M-S,
Manufacturer = GCI)
C1 = C2 = 1 F
The ferrite filter used in the efficiency curves (Figure 2 and Figure 3) is shown in Figure 1, where L is a ferrite
bead.
L1 = L2 = ferrite bead (part number = 2512067007Y3, manufacturer = Fair-Rite)
C1 = C2 = 1 nF
Figure 1. Class-D Output Filter
5
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA2000D2PWP | 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 |
| TPA2000D2PWP | 制造商:Texas Instruments 功能描述:AUDIO POWER AMPLIFIER IC NUMBER OF CIRCU |
| TPA2000D2PWPG4 | 功能描述:音頻放大器 Stereo 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 |
| TPA2000D2PWPR | 功能描述:音頻放大器 Stereo 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 |
| TPA2000D2PWPRG4 | 功能描述:音頻放大器 Stereo 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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