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參數(shù)資料
| 型號： | TPA3007D1PWR |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 2/23頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR 6.5W D 24TSSOP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | D 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負載時最大輸出功率 x 通道數(shù)量： | 6.5W x 1 @ 8 歐姆 |
| 電源電壓： | 8 V ~ 18 V |
| 特點： | 消除爆音，差分輸入，短路和熱保護，關(guān)閉 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 24-TSSOP |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm 寬） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 877 (CN2011-ZH PDF) |
| 其它名稱： | 296-26880-6 |
www.ti.com
APPLICATION INFORMATION
APPLICATION CIRCUIT
INN
INP
GAIN0
SHUTDOWN
PGND
VCLAMP
BSN
PVCC
OUTN
PGND
VCC
VREF
BYPASS
COSC
ROSC
AGND
BSP
PVCC
OUTP
GAIN1
OUTP
PGND
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
R3
51
C9
0.22
F
C6
1
F
D1
VCC
C12
220 pF
C11
1
F
C3
1
F
C4
1
F
VCC
L2
(Ferrite
Bead)
L1
(Ferrite
Bead)
C15
1 nF
C14
1 nF
D2
R2
51
C8
0.22
F
C5
1
F
C7
10
F
C10
1
F
C1
0.47
F
C2
0.47
F
IN
IN+
GAIN SELECT
SHUTDOWN
CONTROL
U1
TPA3007D1
L1, L2: Fair-Rite, Part Number 2512067007Y3
D1, D2: Diodes, Inc., Part Number B130
VCC
R1
120 k
CLASS-D OPERATION
TRADITIONAL CLASS-D MODULATION SCHEME
SLOS418D – SEPTEMBER 2003 – REVISED MARCH 2008
Figure 13. Typical Application Circuit
This section focuses on the class-D operation of the TPA3007D1.
The traditional class-D modulation scheme, which is used in the TPA032D0x family, has a differential output
where each output is 180 degrees out of phase and changes from ground to the supply voltage, VCC. Therefore,
the differential pre-filtered output varies between positive and negative VCC, where filtered 50% duty cycle yields
0 V across the load. The traditional class-D modulation scheme with voltage and current waveforms is shown in
Figure 14. Note that even at an average of 0 V across the load (50% duty cycle), the current to the load is high,
causing high loss, thus causing a high supply current.
10
Copyright 2003–2008, Texas Instruments Incorporated
Product Folder Link(s): TPA3007D1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA3007D1PWRG4 | 功能描述:音頻放大器 Mono Med Power Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA3008D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3008D2_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3008D2EVM | 功能描述:音頻 IC 開發(fā)工具 TPA3008D2 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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 |
| TPA3008D2PHP | 功能描述:音頻放大器 10-W Stereo Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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