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參數(shù)資料
| 型號： | TDA8943 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 運動控制電子 |
| 英文描述： | 6 W mono Bridge Tied Load BTL audio amplifier |
| 中文描述： | 6聲道橋接負載橋接音頻放大器 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 358K |
| 代理商： | TDA8943 |
Philips Semiconductors
TDA8943SF
6 W mono Bridge Tied Load (BTL) audio amplifier
Product specification
Rev. 02 — 7 April 2000
12 of 20
9397 750 06865
Philips Electronics N.V. 2000. All rights reserved.
14. Application information
14.1 Printed-circuit board (PCB)
14.1.1
Layout and grounding
For a high system performance level certain grounding techniques are essential.
The input reference grounds have to be tied with their respective source grounds and
must have separate tracks from the power ground tracks; this will prevent the large
(output) signal currents from interfering with the small AC input signals.
The small-signal ground tracks should be physically located as far as possible from
the power ground tracks. Supply and output tracks should be as wide as possible for
delivering maximum output power.
Fig 13. Application diagram.
handbook, full pagewidth
2
OUT
Rs
Symmetrical
input
RL
8
OUT
+
GND
MGU036
IN
IN
+
MODE
SVR
220 nF
5
4
7
6
1
3
8
+
VCC
1000
μ
F
100 nF
20 k
20 k
10
μ
F
+
+
+
+
Ri
45 k
1/2 VCC
Ri
45 k
30 k
30 k
R
C1
C2
R
VCC
VCC
signal
GND
TDA8943SF
signal
GND
SHORT CIRCUIT
AND
TEMPERATURE
PROTECTION
STANDBY/
MUTE LOGIC
MICROCONTROLLER
Standby
Mute
On
MODE
0
0
1
0
1
0
C1
C2
220 nF
1.5
nF
Ci
Rs
Asymmetrical
input
220 nF
220 nF
Ci
1/2 VCC
1/2 VCC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA8943SF | 制造商:PHILPS 功能描述: |
| TDA8943SF/N1,112 | 功能描述:音頻放大器 6W MONO BTL PWR 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 |
| TDA8943SF/N1.112 | 制造商:NXP Semiconductors 功能描述:AMP AUDIO POWER SINGLE 8943 SIL-9 |
| TDA8944 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 7 W stereo Bridge Tied Load BTL audio amplifier |
| TDA8944AJ | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 7 W BTL audio amplifier with DC gain control |
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