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参数资料
| 型号： | TS4985EIJT |
| 厂商： | 意法半导体 |
| 英文描述： | 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| 中文描述： | 2x1.2w立体声音频功率放大器专用待机销 |
| 文件页数： | 2/29页 |
| 文件大小： | 1798K |
| 代理商： | TS4985EIJT |
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Typical Application Schematic
TS4985
2/29
1
Typical Application Schematic
Figure 1
shows a typical application schematic for the TS4985.
Table 1.
External component descriptions
Figure 1.
Application schematic
Components
Functional Description
R
IN L,R
Inverting input resistors which sets the closed loop gain in
conjunction with Rfeed. These resistors also form a high pass
filter with C
IN
(fc = 1 / (2 x Pi x R
IN
x C
IN
))
C
IN L,R
Input coupling capacitors which blocks the DC voltage at the
amplifier input terminal
R
FEED L,R
Feedback resistors which sets the closed loop gain in
conjunction with R
IN
C
S
Supply Bypass capacitor which provides power supply filtering
C
B
Bypass pin capacitor which provides half supply filtering
A
V L, R
Closed loop gain in BTL configuration = 2 x (R
FEED
/ R
IN
) on
each channel
VCC
+
Cs
1u
1
2
3
VCC
Rin-L
Cin-L
Input L
GND
Rin-R
Cin-R
Input R
GND
Cfeed-L
Rfeed-L
Cfeed-R
Rfeed-R
+
Cb
1u
Neg. Output L
Pos. Output L
Neg. Output R
Pos. Output R
22k
22k
22k
22k
100n
100n
Bias
AV = -1
Bypass
Standby L
V
+
-
+
-
AV = -1
G
+
-
+
-
G
V
VO-L
VO+L
VO-R
VO+R
IN-L
IN+L
IN+R
IN-R
Standby R
A1
B2
C5
C3
D6
E5
C1
E1
D2
D4
E3
B4
A3
B6
A5
TS4985
1
2
3
VCC
相关PDF资料 |
PDF描述 |
|---|---|
| TS4985EIKJT | 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4985EKIJT | 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4990 | 1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE |
| TS4990JT | 1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE |
| TS4990IJT | 1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| TS4985EKIJT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4990 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE |
| TS4990_08 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.2 W audio power amplifier with active low standby mode |
| TS4990EIJT | 功能描述:音频放大器 1.2W 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 |
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