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参数资料
| 型号： | TDA7481 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 18 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封装： | MULTIWATT-15 |
| 文件页数： | 1/6页 |
| 文件大小： | 143K |
| 代理商： | TDA7481 |
TDA7481
18W MONO CLASS-D AMPLIFIER
18W OUTPUT POWER:
RL = 8
/4; THD = 10%
HIGH EFFICIENCY
WIDE SUPPLY VOLTAGE RANGE (UP TO
±25V)
SPLIT SUPPLY
OVERVOLTAGE PROTECTION
ST-BY AND MUTE FEATURES
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
DESCRIPTION
The TDA7481 is an audio class-D amplifier as-
sembled in Multiwatt15 package specially de-
signed for high efficiency applications mainly for
TV and Home Stereo sets.
September 2003
L1 60
H
8
+
-
+
-
PWM
PRE
9
5
C2 0.33
F
IN1
C4 4.7nF
FEEDCAP
OUT
BOOT
C11
100nF
C12
560pF
R5
150
C14
470nF
3
1
VREG
C15
100nF
R4 12K
12
2
C10
2200
F
C9
100nF
SGN-GND
7
MUTE
ST-BY
10
13
11
+VCC
ST-BY/
MUTE
C1
2.2
F
R3
30K
R2
10K
VCC SIGN
C7
2200
F
IN1
D96AU534C
C6
100nF
C3
1nF
R1
10K
+5V
VCC POW
4
N.C.
C5 100nF
BOOTDIODE
6
8
14,15
-VCC SIGN
FREQ
-VCC POW
-VCC
(Pin 14,15)
C8
270pF
(RF)
Figure 1: Test and Application Circuit.
ORDERING NUMBER: TDA7481
Multiwatt15
1/6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7481BOARD | 功能描述:音频 IC 开发工具 Eval Brd for TDA7481 RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TDA7482 | 功能描述:音频放大器 25W Mono Class D 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 |
| TDA7482_04 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:25W MONO CLASS-D AMPLIFIER |
| TDA7482BOARD | 功能描述:音频 IC 开发工具 Eval Brd for TDA7482 RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TDA7490 | 功能描述:音频放大器 25W Stereo "D" 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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