- 您現在的位置：買賣IC網 > PDF目錄98271 > TPA2028D1YZFR (TEXAS INSTRUMENTS INC) 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 PDF資料下載
參數資料
| 型號： | TPA2028D1YZFR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封裝： | 1.63 X 1.63 MM, GREEN, DSBGA-9 |
| 文件頁數： | 22/37頁 |
| 文件大小： | 1812K |
| 代理商： | TPA2028D1YZFR |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁當前第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁
C
I
1
f =
(2
R
C )
p
I
C
1
C =
(2
R
f )
p
SLOS660A
– JANUARY 2010 – REVISED MARCH 2011
DECOUPLING CAPACITOR CS)
The TPA2028D1 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-
μF ceramic capacitor
(typically) placed as close as possible to the device PVDD lead works best. Placing this decoupling capacitor
close to the TPA2028D1 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
μF 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.
INPUT CAPACITORS CI)
TPA2028D1 requires input capacitors to ensure low output offset and low pop.
The input capacitors and input resistors form a high-pass filter with the corner frequency, fC, determined in
(5)
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.
(6)
PACKAGE INFORMATION
Package Dimensions
The package dimensions for this YZF package are shown in the table below. See the package drawing at the
end of this data sheet for more details.
Table 5. YZF Package Dimensions
Packaged Devices
D
E
Min = 1594
μm
Min = 1594
μm
TPA2028D1YZF
Max = 1654
μm
Max = 1654
μm
BOARD LAYOUT
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 44 and Table 6 shows the appropriate diameters for a
WCSP layout. The TPA2028D1 evaluation module (EVM) layout is shown in the next section as a layout
example.
Copyright
2010–2011, Texas Instruments Incorporated
29
Product Folder Link(s): TPA2028D1
相關PDF資料 |
PDF描述 |
|---|---|
| TPA2028D1YZFT | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| TPA2031D1YZFT | 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| TPA2031D1YZF | 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| TPA2031D1YZFR | 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| TPA2032D1YZFR | 2.75 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA2028D1YZFT | 功能描述:音頻放大器 3.0 W Mono Class-D Audio 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 |
| TPA2028D1YZFT | 制造商:Texas Instruments 功能描述:SPEAKER AMPLIFIER IC |
| TPA2029D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-W Mono Class-D Audio Amplifier With SmartGain? AGC/DRC |
| TPA2029D1YZFEVM | 功能描述:音頻 IC 開發工具 TPA2029D1 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 |
| TPA2029D1YZFR | 功能描述:音頻放大器 3W Mono Class-D 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 |
發布緊急采購，3分鐘左右您將得到回復。