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參數(shù)資料
| 型號： | TS2012IQT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, QFN-20 |
| 文件頁數(shù)： | 18/30頁 |
| 文件大?。?/td> | 384K |
| 代理商： | TS2012IQT |
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TS2012
Application information
25/30
Figure 45.
Typical application for single-ended input configuration
4.10
Output filter considerations
The TS2012 is designed to operate without an output filter. However, due to very sharp
transients on the TS2012 output, EMI radiated emissions may cause some standard
compliance issues.
These EMI standard compliance issues can appear if the distance between the TS2012
outputs and loudspeaker terminal are long (typically more than 50mm, or 100mm in both
directions, to the speaker terminals). As the PCB layout and internal equipment device are
different for each configuration, it is difficult to provide a one-size-fits-all solution.
However, to decrease the probability of EMI issues, there are several simple rules to follow:
●
Reduce, as much as possible, the distance between the TS2012 output pins and the
speaker terminals.
●
Use a ground plane for “shielding” sensitive wires.
●
Place, as close as possible to the TS2012 and in series with each output, a ferrite bead
with a rated current of minimum 2.5A and impedance greater than 50
Ω at frequencies
above 30MHz. If, after testing, these ferrite beads are not necessary, replace them by a
short-circuit.
●
Allow extra footprint to place, if necessary, a capacitor to short perturbations to ground
(see Figure 46).
VCC
CsL
TS2012
Gain
Select
Gain
Select
Standby
Control
PWM
H
Bridge
PWM
H
Bridge
Oscillator
LIN +
LIN -
RIN -
RIN +
G0
G1
STBY L
STBY R
AV
AGN
D
PGN
D
PGN
D
LOUT+
LOUT-
CC
PV
CC
PV
CC
ROUT+
ROUT-
Left speaker
Right speaker
Cin
Left Input
Cin
Right Input
Standby Control
VCC
CsR
VCC
Cs
100nF
Gain Select
Control
1 F
μ
1 F
μ
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| TS3431BIZ-AP | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PBCY3 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS2012IQT-CUT TAPE | 制造商:ST 功能描述:TS2012 Series 2.8 W Filter-Free Stereo Class D Audio Power Amplifier - QFN-20 |
| TS2012-W1 | 制造商:Black Box Corporation 功能描述:1 YEAR WARRANTY FOR TS2012 |
| TS2012-W3 | 制造商:Black Box Corporation 功能描述:3 YEAR WARRANTY FOR TS2012 |
| TS2015-W1 | 制造商:Black Box Corporation 功能描述:1 YEAR WARRANTY FOR TS2015 |
| TS2015-W3 | 制造商:Black Box Corporation 功能描述:3 YEAR WARRANTY FOR TS2015 |
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