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TS4994IST Datasheet(PDF) 3 Page - STMicroelectronics

Part # TS4994IST
Description  1W differential input/output audio power amplifier with selectable standby
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4994IST Datasheet(HTML) 3 Page - STMicroelectronics

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TS4994
Application component information
3/35
1
Application component information
Figure 1.
Typical application, DFN10 version
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
GND
GND
Diff. Input +
Diff. input -
GND
GND
GND
VCC
VCC
VCC
Optional
8 Ohms
Bias
Vin-
Vin+
Bypass
Standby
VCC
GND
Vo-
Vo+
+
-
2
5
9
10
7
3
4
6
1
Mode
Stdby
TS4994IQ



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