参数资料
型号: TS4994EIKJT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9
封装: ROHS COMPLIANT, FCP-9
文件页数: 23/35页
文件大小: 694K
代理商: TS4994EIKJT
TS4994FC
Application component information
3/35
1
Application component information
Figure 1.
Typical application
Components
Functional description
Cs
Supply bypass capacitor that provides power supply filtering.
Cb
Bypass capacitor that provides half supply filtering.
Rfeed
Feedback resistor that sets the closed loop gain in conjunction with Rin
AV = closed loop gain = Rfeed/Rin.
Rin
Inverting input resistor that sets the closed loop gain in conjunction with Rfeed.
Cin
Optional input capacitor making a high pass filter together with Rin.
(FCL = 1/(2πRinCin).
Rfeed1
20k
Rin1
20k
Rin2
20k
Rfeed2
20k
+
Cin1
220nF
+
Cin2
220nF
+
Cb
1u
+
Cs
1u
GND
Diff. Input +
Diff. input -
GND
VCC
Bias
Vin-
Vin+
Bypass
Standby
VCC
GND
Vo-
Vo+
+
-
3
8
2
5
6
9
1
7
4
Mode
Stdby
TS4994IJ
Optional
8 Ohms
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TS4995 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.2 W fully differential audio power amplifier with selectable standby and 6 dB fixed gain