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參數資料
| 型號： | TPA3124D2PWP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PDSO24 |
| 封裝： | PLASTIC, HTSSOP-24 |
| 文件頁數： | 8/29頁 |
| 文件大小： | 859K |
| 代理商： | TPA3124D2PWP |
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100
90
80
70
60
50
40
30
20
10
0
f Frequency Hz
Power
Supply
Rejection
Ratio
dB
G026
20
100
1k
10k
20k
VCC = 24 V
VO(ripple) = 0.2 VPP
RL = 8 (SE)
Gain = 20 dB
100
90
80
70
60
50
40
30
20
10
0
f Frequency Hz
Power
Supply
Rejection
Ratio
dB
G027
20
100
1k
10k
20k
VCC = 24 V
VO(ripple) = 0.2 VPP
RL = 8 (SE)
Gain = 20 dB
VCC
MUTE
SHUTDOWN
C
6
1
.0
F
m
R7
C12
0.22
F
m
0
.2
2
F
m
C19
+
1
2
TPA3124D2
PVCCL1
1
SDZ
2
PVCCL2
3
MUTE
4
LIN
5
RIN
6
BYP
7
GND1
8
GND2
9
PVCCR1
10
VCLAMP
11
PVCCR2
12
PVSSR2
13
PVSSR1
14
OUTR
15
BSR
16
GAIN1
17
GAIN0
18
AVCC2
19
AVCC1
20
BSL
21
OUTL
22
PVSSL2
23
PVSSL1
24
T
H
E
R
M
A
L
2
5
R6
C
1
3
2
0
F
m
220 W
R8
C7
0.1
F
m
C8
4
7
0
F
m
+
1
2
C
1
4
0
.1
F
m
0
.2
2
F
m
C20
4
.7
5k
W
4
.7
5k
W
+
1
2
C15
0.22
F
m
C2
4
7
0
F
m
+
1
2
0.1
F
m
C1
C
5
1
.0
F
m
C3
1.0
F
m
C4
1.0
F
m
L1
33
F
m
L2
33
F
m
C17
470
F
m
C10
470
F
m
BSN and BSP Capacitors
SLOS578 – MAY 2008........................................................................................................................................................................................................ www.ti.com
Figure 29. PSRR Without AVCC Filter
Figure 30. PSRR With AVCC Filter
Figure 31. Application Schematic with 220-
/220-
F AVCC Filter
The half H-bridge output stages use only NMOS transistors. Therefore, they require bootstrap capacitors for the
high side of each output to turn on correctly. A 220-nF ceramic capacitor, rated for at least 25 V, must be
connected from each output to its corresponding bootstrap input. Specifically, one 220-nF capacitor must be
connected from LOUT to BSL, and one 220-nF capacitor must be connected from ROUT to BSR.
The bootstrap capacitors connected between the BSx pins and their corresponding outputs function as a floating
power supply for the high-side N-channel power MOSFET gate-drive circuitry. During each high-side switching
cycle, the bootstrap capacitors hold the gate-to-source voltage high enough to keep the high-side MOSFETs
turned on.
16
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPA3124D2
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA3124D2PWPG4 | 功能描述:音頻放大器 15W Stereo Class-D Pwr Amp 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 |
| TPA3124D2PWPR | 功能描述:音頻放大器 15W Stereo Class-D Aud Pwr Amp 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 |
| TPA3124D2PWPRG4 | 功能描述:音頻放大器 15W Stereo Class-D Pwr Amp 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 |
| TPA3125D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-W STEREO CLASS-D AUDIO POWER AMPLIFIER |
| TPA3125D2EVM | 功能描述:音頻 IC 開發工具 TPA3125D2EVM 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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