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APA2177 Datasheet(PDF) 5 Page - Anpec Electronics Coropration

No. de Pieza. APA2177
Descripción  25mW Stereo Cap-Free Headphone Driver
Descarga  22 Pages
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Fabricante  ANPEC [Anpec Electronics Coropration]
Página de inicio  http://www.anpec.com.tw
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APA2177 Datasheet(HTML) 5 Page - Anpec Electronics Coropration

 
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Copyright
© ANPEC Electronics Corp.
Rev. A.3 - Nov., 2017
APA2177
www.anpec.com.tw
5
PIN
TQFN3x3 -16
W LCSP
Nam e
I/O/P
Func tion De scription
9
A1
SDN
I
Shutdown mode control pin. A low-level voltage applied on this pin shuts off the
headphone driver.
10
A2
VDD
P
Sup ply voltag e i nput pin.
11
A3
LO UT
O
Left chan nel output fo r h eadp hone .
13
A4
LIN-
I
Left chan nel aud io si gnal inverting in put pi n.
1
B1
G ND
P
Grou nd conne ction for circuitry.
8
B2
CPP
P
Charge p ump flying cap aci to r p ositive conne ction .
12
B3
HPV DD
P
Positive power supply fo r h eadp hone amp lifi ers.
14
B4
LIN+
I
Left chan nel aud io si gnal non -inverting in put pi n.
6
C1
CPN
P
Charge p ump flying cap aci to r n egative co nnection.
5
C2
HPVSS
P
Charge p ump output.
7
C3
SG ND
I
Amplifier re fe rence vo lta ge.
15
C4
RIN+
I
Right cha nnel au dio signal no n-inverting i nput p in.
4
D1
HI-Z
I
Output imped ance se lect. S et to logic LOW for normal op eration an d lo gic
HIG H for high ou tp ut imped ance.
3
D2
G AIN
I
Gain sel ect. S et to logic LOW fo r a g ain of 0 dB and to HIGH fo r a g ain of 6 dB.
2
D3
RO UT
O
Right cha nnel ou tp ut for head phon e.
16
D4
RIN-
I
Right cha nnel au dio signal in ver ting i nput pin.
Pin Description


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