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參數資料
| 型號： | TPA2000D4DAPRG4 |
| 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, PDSO32 |
| 封裝： | GREEN, PLASTIC, HTSSOP-32 |
| 文件頁數： | 23/26頁 |
| 文件大小： | 505K |
| 代理商： | TPA2000D4DAPRG4 |
TPA2000D4
STEREO 2W CLASSD AUDIO POWER AMPLIFIER
WITH STEREO HP AMPLIFIER
SLOS337B DECEMBER 2000 REVISED NOVEMBER 2005
6
WWW.TI.COM
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
Efficiency
vs Output power
2, 3
FFT at 1.5-W Output Power
vs Frequency
4
Supply current
vs Free-air temperature
5
Total harmonic distortion + noise
vs Frequency
6, 7
Total harmonic distortion + noise
vs Output power
8, 9
Class-D gain and phase
vs Frequency
10
Class-D crosstalk
vs Frequency
11
Power dissipation
vs Output power
12
FFT at 1.5-W output power
vs Frequency
13
Supply voltage rejection ratio
vs Frequency
14
Headphone total harmonic distortion + noise
vs Frequency
15, 16, 22
Headphone total harmonic distortion + noise
vs Output power
17
Headphone closed-loop gain and phase
vs Frequency
18
Headphone open-loop gain and phase
vs Frequency
19
Headphone crosstalk
vs Frequency
20, 24
Headphone supply voltage rejection ratio
vs Frequency
21
Headphone total harmonic distortion + noise
vs Output voltage
23
Headphone supply current
vs Output voltage
25
Headphone supply current
vs Output power
26
test set-up for graphs
The THD+N measurements shown do not use an LC output filter, but use a low pass filter with a cut-off 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.
The LC output filter used in the efficiency curves (Figure 2 and Figure 3) is shown in Figure 1.
L1 = L2 = 22
H (DCR = 110 m,
Part Number = SCD0703T220 MS,
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
C2
C1
L1
L2
OUT
OUT+
Figure 1. Class-D Output Filter
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA2000D4EVM | 功能描述:音頻 IC 開發工具 TPA2000D4 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 |
| TPA2000D4GQC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AUDIO AMPLIFIER|DUAL|CMOS|BGA|48PIN|PLASTIC |
| TPA2001D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER |
| TPA2001D1_06 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER |
| TPA2001D1EVM | 功能描述:音頻 IC 開發工具 TPA2001D1 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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