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參數(shù)資料
| 型號： | TPA2000D1PWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO16 |
| 封裝： | GREEN, PLASTIC, TSSOP-16 |
| 文件頁數(shù)： | 7/23頁 |
| 文件大?。?/td> | 500K |
| 代理商： | TPA2000D1PWRG4 |
www.ti.com
SWITCHING FREQUENCY
fs +
6.6
R
OSC
C
OSC
(9)
APPLICATION CIRCUIT
INP
INN
SHUTDOWN
GAIN0
GAIN1
PVDD
OUTP
PGND
BYPASS
AGND
COSC
ROSC
VDD
PVDD
OUTN
PGND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TPA2000D1
C5
1
F
C6
1
F
C7
1
F
C1
220 pF
R1
120 k
C2
1
F
C3
1
F
C4
1
F
C8
10
F
OUT+
VDD
OUT–
Audio Input–
VDD
To System
Controller
Audio Input+
Gain Select
VDD
TPA2000D1
SLOS328F – JUNE 2000 – REVISED MARCH 2004
The switching frequency is determined using the values of the components connected to ROSC (pin 13) and
COSC (pin 14) and are calculated using Equation 9.
The switching frequency was chosen to be centered on 250 kHz. This frequency represents the optimization of
audio fidelity due to oversampling and the maximization of efficiency by minimizing the switching losses of the
amplifier.
The recommended values are a resistance of 120 k
and a capacitance of 220 pF. Using these component
values, the amplifier operates properly by using 5% tolerance resistors and 10% tolerance capacitors. The
tolerance of the components can be changed as long as the switching frequency remains between 200 kHz and
300 kHz. Within this range, the internal circuitry of the device provides stable operation.
Table 3. TPA2000D1 APPLICATION CIRCUIT BILL OF MATERIALS
REFERENCE
DESCRIPTION
SIZE
QUANTITY
MANUFACTURER
PART NUMBER
C1
Capacitor, ceramic, 220 pF,
±10%, XICON, 50 V
0805
1
Mouser
140-CC501B221K
C2 - C7
Capacitor, ceramic, 1 F, +80%/-20%, Y5V, 16 V
0805
6
Murata
GRM40-Y5V105Z16
C8
Capacitor, ceramic, 10 F, +80%/-20%, Y5V, 16 V
1210
1
Murata
GRM235-Y5V106Z16
R1
Resistor, chip, 120 k
, 1/10 W, 5%, XICON
0805
1
Mouser
260-120K
U1
IC, TPA2000D1, audio power amplifier, 2-W, single
24-pin
1
TI
TPA2000D1PW
channel, class-D
TSSOP
15
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA2000D1-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER |
| TPA2000D1TPWRG4Q1 | 功能描述:音頻放大器 Mono Filter-Free Class-D Audio Amp 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 |
| TPA2000D1TPWRQ1 | 功能描述:音頻放大器 Auto Cat Mono 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 |
| TPA2000D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W FILTERLESS STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA2000D2_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W FILTERLESS STEREO CLASS-D AUDIO POWER AMPLIFIER |
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