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參數資料
型號: TPA3100D2RGZTG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 21.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封裝: 7 X 7 MM, GREEN, PLASTIC, VQFN-48
文件頁數: 11/41頁
文件大小: 1191K
代理商: TPA3100D2RGZTG4
1 mF
1 mF
33
H
m
33 mH
OUTP
OUTN
L1
L2
C2
C3
2.2 mF
15
H
m
15 mH
OUTP
OUTN
L1
L2
C2
C3
2.2 mF
1nF
Ferrite
ChipBead
OUTP
OUTN
Ferrite
ChipBead
1nF
www.ti.com
SLOS469F – OCTOBER 2005 – REVISED AUGUST 2010
Most applications require a ferrite bead filter. The ferrite filter reduces EMI around 1 MHz and higher (FCC and
CE only test radiated emissions greater than 30 MHz). When selecting a ferrite bead, choose one with high
impedance at high frequencies, but low impedance at low frequencies.
Use an LC output filter if there are low frequency (<1 MHz) EMI-sensitive circuits and/or there are long wires
from the amplifier to the speaker.
When both an LC filter and a ferrite bead filter are used, the LC filter should be placed as close as possible to
the IC followed by the ferrite bead filter.
Figure 27. Typical LC Output Filter, Cutoff Frequency of 28 kHz, Speaker Impedance = 8
Figure 28. Typical LC Output Filter, Cutoff Frequency of 28 kHz, Speaker Impedance = 4
Figure 29. Typical Ferrite Chip Bead Filter (Chip Bead Example: Fair-Rite 2512067007Y3)
Copyright 2005–2010, Texas Instruments Incorporated
19
Product Folder Link(s): TPA3100D2
相關PDF資料
PDF描述
TPA3101D2RGZRG4 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
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相關代理商/技術參數
參數描述
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