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參數(shù)資料
| 型號(hào)： | TS4984IQT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16 |
| 封裝： | 4 X 4 MM, 0.50 MM PITCH, LEAD FREE, TQFN-16 |
| 文件頁數(shù)： | 12/29頁 |
| 文件大小： | 901K |
| 代理商： | TS4984IQT |
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TS4984
Typical Application
2/29
1
Typical Application
Figure 1 shows a schematic view of a typical audio amplification application using the TS4984. Table 1
describes the components used in this typical application.
Figure 1: Typical application schematic
Table 1: External component descriptions
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 (fc = 1 / (2 x Pi x RIN x CIN)).
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.
1
2
12
14
5
16
15
Bias
3
AV = -1
Bypass L
Standby
VCC1
+
-
+
-
AV = -1
GND1
+
-
+
-
10
9
8
7
11
Bypass R
GND2
VCC2
6
13
VO-L
VO+L
VO-R
VO+R
IN-L
IN+L
IN+R
IN-R
U1
TS4984
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
Wire optional
Internal connection
22k
100n
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相關(guān)代理商/技術(shù)參數(shù) |
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| TS4985 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4985EIJT | 功能描述:音頻放大器 2x1.2W stereo audio 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 |
| TS4985EIKJT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4985EKIJT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
| TS4990 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1W AUDIO POWER AMPLIFIER WITH ACTIVE LOW STANDBY MODE |
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