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參數(shù)資料
| 型號(hào)： | TPA2016D2YZHT |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 20/39頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 2.8W D 16DSBGA |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | D 類 |
| 輸出類型： | 2 通道（立體聲） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 2.8W x 2 @ 4 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 特點(diǎn)： | 差分輸入，I²C，短路和熱保護(hù)，關(guān)機(jī)，音量控制 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 16-DSBGA（2x2） |
| 封裝/外殼： | 16-UFBGA，DSBGA |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 876 (CN2011-ZH PDF) |
| 配用： | 296-31088-ND - EVAL MODULE FOR TPA2016D2 |
| 其它名稱： | 296-23616-6 |
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DECOUPLING CAPACITOR
＝
S
INPUT CAPACITORS
＝
I)
C
I
1
f =
(2
R
C )
p
(5)
I
C
1
C =
(2
R
f )
p
(6)
BOARD LAYOUT
www.ti.com........................................................................................................................................................ SLOS524D – JUNE 2008 – REVISED AUGUST 2009
The TPA2016D2 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. For higher frequency transients,
spikes, or digital hash on the line, a good low equivalent-series-resistance (ESR) 1-
F ceramic capacitor
(typically) placed as close as possible to the device PVDD (L, R) lead works best. Placing this decoupling
capacitor close to the TPA2016D2 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. For filtering
lower-frequency noise signals, a 4.7
F or greater capacitor placed near the audio power amplifier would also
help, but it is not required in most applications because of the high PSRR of this device.
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. Equation 6 is used to solve for the input coupling capacitance. If the corner frequency is within the
audio band, the capacitors should have a tolerance of ±10% or better, because any mismatch in capacitance
causes an impedance mismatch at the corner frequency and below.
In making the pad size for the WCSP balls, it is recommended that the layout use non solder mask defined
(NSMD) land. With this method, the solder mask opening is made larger than the desired land area, and the
opening size is defined by the copper pad width. Figure 41 and Table 5 shows the appropriate diameters for a
WCSP layout. The TPA2016D2 evaluation module (EVM) layout is shown in the next section as a layout
example.
Copyright 2008–2009, Texas Instruments Incorporated
27
Product Folder Link(s): TPA2016D2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA2016DYZHT2 | 制造商:Texas Instruments 功能描述: |
| TPA2017D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.8-W/Ch Stereo Class-D Audio Amplifier with SmartGainTM Dynamic Range Compression and AGC |
| TPA2017D2RTJEVM | 功能描述:音頻 IC 開發(fā)工具 TPA2017D2 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 |
| TPA2017D2RTJR | 功能描述:音頻放大器 2.8W/Ch Stereo 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 |
| TPA2017D2RTJT | 功能描述:音頻放大器 2.8W/Ch Stereo 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 |
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