PVCC OUTN" />
參數(shù)資料
型號(hào): TPA3007D1PWG4
廠商: Texas Instruments
文件頁(yè)數(shù): 2/23頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 6.5W D 24TSSOP
標(biāo)準(zhǔn)包裝: 60
類型: D 類
輸出類型: 1-通道(單聲道)
在某負(fù)載時(shí)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(diǎn): 消除爆音,差分輸入,短路和熱保護(hù),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: 管件
配用: 296-18925-ND - EVAL MODULE FOR TPA3007D1
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
相關(guān)PDF資料
PDF描述
TPA3100D2IRGZRQ1 IC AMP AUDIO PWR 21.8W D 48QFN
TPA3123D2PWPR IC AMP AUDIO PWR 25W D 24TSSOP
TPA3130D2DAPR IC AMP AUD PWR 15W STER 32HTSSOP
TPA6140A2YFFR IC AMP AUDIO 25MW STER 16DSBGA
TRF3750IRGPG4 IC PLL FREQ SYNTHESIZER 20-QFN
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA3007D1PWR 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
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(píng)估:TAS5614L 工作電源電壓:12 V to 38 V