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参数资料
| 型号： | TS4984EIKJT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15 |
| 封装： | LEAD FREE, FCP-15 |
| 文件页数： | 12/30页 |
| 文件大小： | 1644K |
| 代理商： | TS4984EIKJT |
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Typical Application Schematic
TS4984FC
2/30
1
Typical Application Schematic
Figure 1 show a typical application schematic for the TS4984FC.
Table 1.
External component descriptions
Figure 1.
Application information
Components
Functional Description
Rin L,R
Inverting input resistors which sets the closed loop gain in conjunction with Rfeed.
These resistors also form a high pass filter with Cin =1/2 x Pi x Rin xCin))
Cin L,R
Input coupling capacitors which blocks the DC voltage at the amplifier input terminal
Rfeed L,R
Feedback resistors which sets the closed loop gain in conjunction with Rin
Cs
Supply Bypass capacitor which provides power supply filtering
Cb
Bypass pin capacitor which provides half supply filtering
AV L, R
Closed loop gain in BTL configuration = 2 x (Rfeed / Rin) on each channel
100nF
Cin1
VCC
+ Cs
+ Cb
100nF
Cin2
INPUT2
StandBy
Control
A1
B2
C3
A5
E1
A3
B4
Bias
C5
AV = -1
BYPASS
STDBY
VC
C
VOUT1-
VOUT1+
+
-
+
-
AV = -1
GND
VOUT2-
VOUT2+
+
-
+
-
D6
E5
E3
D4
C1
BYPASS
GND
VC
C
D2
B6
IN1-
IN1+
IN2+
IN2-
U1
22k
Rfeed1
Cfeed1
INPUT1
OUTPUT1
OUTPUT2
W ire optional
Internal connection
Cfeed2
+
22k
Rin1
22k
Rin2
22k
Rfeed2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TS4984FC | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode |
| TS4984IQT | 功能描述:音频放大器 2x1W stereo audio Pwr 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 |
| TS4985 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4985EIJT | 功能描述:音频放大器 2x1.2W stereo audio 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 |
| TS4985EIKJT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
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