參數(shù)資料
型號(hào)： TS4984IQT
廠商： 意法半導(dǎo)體
英文描述： 2 x 1W Stereo audio power amplifier with active low standby mode
中文描述： 2個(gè)1W的立體聲活躍的低待機(jī)模式音頻功率放大器
文件頁數(shù)： 2/29頁
文件大小： 804K
代理商： TS4984IQT
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
R
IN L,R
Inverting input resistors which sets the closed loop gain in conjunction with
R
feed
. 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.
1
2
12
1
5
16
15
Bias
3
AV = -1
Bypass L
Standby
V
+
-
+
-
AV = -1
G
+
-
+
-
10
9
8
7
11
Bypass R
G
V
6
1
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
22k
22k
22k
22k
100n
100n
相關(guān)PDF資料
PDF描述
TS4984 2 x 1W Stereo audio power amplifier with active low standby mode
TS4985 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins
TS4985EIJT 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins
TS4985EIKJT 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins
TS4985EKIJT 2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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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