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參數(shù)資料
| 型號： | TPA2013D1RGP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.7 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20 |
| 封裝： | 4 X 4 MM, PLASTIC, QFN-20 |
| 文件頁數(shù)： | 9/30頁 |
| 文件大小： | 949K |
| 代理商： | TPA2013D1RGP |
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www.ti.com
RECOMMENDED INDUCTOR AND CAPACITOR VALUES BY APPLICATION
CLASS-D REQUIREMENTS
DECOUPLING CAPACITORS
INPUT CAPACITORS
)
I I
1
f =
c
(2
R C
p
(6)
SLOS520 – AUGUST 2007
Use Table 4 as a guide for determining the proper inductor and capacitor values.
Table 4. Recommended Values
Class-D
Minimum
Required
Max
Output
Max IL
L
Inductor Vendor
C(2)
Capacitor Vendor
Load
VDD
VCC
ΔV
Power
(A)
(
μH)
Part Numbers
(
μF)
Part Numbers
(
)
(V)
(mVpp)
(W)(1)
3.3
10
Toko DE2812C
Kemet C1206C106K8PACTU
1
8
3
4.3
0.70
30
Coilcraft DO3314
Murata GRM32ER61A106KA01B
Murata LQH3NPN3R3NG0
Taiyo Yuden LMK316BJ106ML-T
4.7
22
Murata LQH32PN4R7NN0
1.6
8
3
5.5
1.13
30
Murata GRM32ER71A226KE20L
Toko DE4514C
Taiyo Yuden LMK316BJ226ML-T
Coilcraft LPS4018-472
3.3
33
2
4
3
4.6
1.53
30
Murata LQH55PN3R3NR0
TDK C4532X5R1A336M
Toko DE4514C
6.2
47
2.3
4
1.8
5.5
2
30
Sumida
Murata GRM32ER61A476KE20L
CDRH5D28NP-6R2NC
Taiyo Yuden LMK325BJ476MM-T
(1)
All power levels are calculated at 1% THD unless otherwise noted
(2)
All values listed are for ceramic capacitors. The correction factor of 2 is included in the values.
The TPA2013D1 is a high-performance Class-D audio amplifier that requires adequate power supply decoupling
to
ensure
the
efficiency
is
high
and
total
harmonic
distortion
(THD)
is
low.
Place
a
low
equivalent-series-resistance (ESR) ceramic capacitor, typically 1
μF as close as possible to the device VDD lead.
This choice of capacitor and placement helps with higher frequency transients, spikes, or digital hash on the line.
Additionally, placing this decoupling capacitor close to the TPA2013D1 is important for the efficiency of the
Class-D amplifier, because any resistance or inductance in the trace between the device and the capacitor can
cause a loss in efficiency. Place a capacitor of 10
μF or greater between the power supply and the boost
inductor. The capacitor filters out high frequency noise. More importantly, it acts as a charge reservoir, providing
energy more quickly than the board supply, thus helping to prevent any droop.
The TPA2013D1 does not require input coupling capacitors if the design uses a differential source that is biased
within the common mode input range. Use input coupling capacitors if the input signal is not biased within the
recommended common-mode input range, if high pass filtering is needed, or if using a single-ended source.
The input capacitors and input resistors form a high-pass filter with the corner frequency, fc, determined in
The value of the input capacitor is important to consider as it directly affects the bass (low frequency)
performance of the circuit. Speakers in wireless phones cannot usually respond well to low frequencies, so the
corner frequency can be set to block low frequencies in this application. Not using input capacitors can increase
output offset.
Use Equation 7 to find the required the input coupling capacitance.
Copyright 2007, Texas Instruments Incorporated
17
Product Folder Link(s): TPA2013D1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA2013D1RGPR | 功能描述:音頻放大器 2.7W Constant Output Pwr Mono 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 |
| TPA2013D1RGPRG4 | 功能描述:音頻放大器 2.7W Constant Output Pwr Mono 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 |
| TPA2013D1RGPT | 制造商:Texas Instruments 功能描述:AUD AMP SPKR 1CH MONO 2.7W CLS-D 20QFN - Tape and Reel |
| TPA2013D1YZH | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7-W CONSTANT OUTPUT POWER CLASS-D AUDIO AMPLIFIER WITH INTEGRATED BOOST CONVERTER |
| TPA2013D1YZHR | 功能描述:音頻放大器 2.7W OUTPUT PWR MONO CLASS-D AUD 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 |
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