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参数资料
| 型号： | TDA8946AJ |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PZIP17 |
| 封装： | PLASTIC, DIL-BENT-SIL, 17 PIN |
| 文件页数： | 6/20页 |
| 文件大小： | 376K |
| 代理商： | TDA8946AJ |
Philips Semiconductors
TDA8946AJ
2 x 15 W BTL audio amplier with DC gain control
Product data
Rev. 01 — 01 March 2002
14 of 20
9397 750 09434
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
14. Application information
14.1 Printed-circuit board
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 15. Application diagram.
handbook, full pagewidth
4
4
220 nF
MGW627
STANDBY/
MUTE LOGIC
SHORT CIRCUIT
AND
TEMPERATURE
PROTECTION
20
k
20
k
9
12
17
14
10
11
VCC1
VCC
2
3
OUT2
+
GND1
7
SGND
15
GND2
SVR
OUT2
IN2
IN2
+
8
TDA8946AJ
6
4
1
VCC2
16
OUT1
+
OUT1
IN1
IN1
+
MODE
13
GC
VCC
1000
F
100 nF
MICROCONTROLLER
10
F
Rsource
220 nF
Vi
220 nF
4.7
nF
(1)
Rsource
220 nF
Vi
220 nF
or
4.7
nF
(1)
RL
8
4
4
220 nF
RL
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA8946AJ/N2,112 | 功能描述:音频放大器 2X15W AUDIO AMP VOL CTRL RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA8946J | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:2 x 15 W stereo Bridge Tied Load BTL audio amplifier |
| TDA8946J/N1,112 | 功能描述:音频放大器 AUDIO AMP 2X15W RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA8947J | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4-channel audio amplifier (SE: 1 W to 25 W; BTL: 4 W to 50 W) |
| TDA8947J/N3,112 | 功能描述:音频放大器 3/4 CHANNEL AUD AMP RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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