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TPF603 Datasheet Detailansicht - 3Peak

Teilenummer TPF603 Schematic
Beschreibung Audio Line Driver
Hersteller 3Peak
Logo 3Peak Logo 
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TPF603 Datenblatt PDF

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TPF603 Datasheet, Funktion
TPF603 / TPF605 / TPF607
        
3-VRMS Audio Line Driver with Integrated Charge Pump
 
Figure 3 Typical Application Circuit of TPF605Leftand TPF607Right
Typical application circuits are shown as above. TPF603/605/607 operates from a single supply voltage PVDD. It
integrated charge pump generates a negative supply –PVDD at the PVSS pin. The Line driving amplifiers work with
dual supplies: PVDD and –PVDD. Therefore, the DC level of the audio output can be designed to be 0V. A
DC-blocking capacitor typically seen in a single-supplied driver is not necessary.
The supply range of the TPF603/605/607 is 2.7V to 5.5V. For a 3VRMS output, the recommended supply voltage is 5V.
For a 2VRMS output, the recommended supply voltage is 3.3V.
RIN of 2.5kand RFB of 5kset the inverting gain of 2. Because of the exceptional noise performance of
TPF603/605/607, the dominant noise source is actually from RIN. To get better noise performance, lower input
resistance and feedback resistance may be used.
Integrated Charge Pump
The integrated charge pump in TPF603/605/607 generates negative power supply from a single supply PVDD. A flying
capacitor for the charge pump shall be applied between CP and CN. At the same time a decoupling capacitor shall be
applied between PVSS and ground. Typical value for the flying capacitor is 1uF. Typical value of the decoupling
capacitor shall be same as or larger than that of the flying capacitor. Low-ESR capacitors are recommended for the
flying capacitor and the decoupling capacitor.
Audio Signal Amplification Gain Setting
The main application of the TPF603/605/607 is to amplify/buffer audio signals and drive audio lines with very low
distortion. Typical application circuits with inverting gain are shown in Figure. 4.
Non-inverting amplification of audio signals is also possible with same low distortion.
-VIN
CIN RIN
RFB
(a)
-VIN
+VIN
CIN RIN
CIN RIN
(b)
RFB
RFB
Figure 4 Typical Application Circuit of TPF603
 
6  REV0.2
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TPF603 pdf, datenblatt
TPF603 / TPF605 / TPF607
        
3-VRMS Audio Line Driver with Integrated Charge Pump
Package Outline Dimensions
MSOP-10 (NO EXPOSED PAD)
Symbol
A
A1
A2
b
c
D
D1
E
E1
E2
e
L
L1
θ
aaa
bbb
ccc
ddd
Dimensions
In Millimeters
MIN TYP
--
0.05 -
0.75
0.85
0.19 -
0.08
0.15
2.90
3.00
1.80REF
4.70
4.90
2.90
3.00
1.55REF
0.50BSC
0.40 -
0.95BSC
0° -
0.2
0.25
0.10
0.08
MAX
1.10
0.15
0.95
0.28
0.23
3.10
5.10
3.10
0.70
 
12  REV0.2
  
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Besondere Datenblatt

TeilenummerBeschreibungHersteller
TPF603Audio Line Driver3Peak
3Peak
TPF605Audio Line Driver3Peak
3Peak
TPF607Audio Line Driver3Peak
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