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APA2177 Datasheet(PDF) 5 Page - Anpec Electronics Coropration

No. de Pieza. APA2177
Descripción  25mW Stereo Cap-Free Headphone Driver
Descarga  20 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.1 - Jul., 2012
APA2177
www.anpec.com.tw
5
PIN
WLCS
P
Name
I/O/P
Function Description
A1
SDN
I
Shutdown mode control pin. A low-level voltage applied on this pin shuts off the headphone driver.
A2
VDD
P
Supply voltage input pin.
A3
LOUT
O
Left channel output for headphone.
A4
LIN-
I
Left channel audio signal inverting input pin.
B1
GND
P
Ground connection for circuitry.
B2
CPP
P
Charge pump flying capacitor positive connection.
B3
HPVDD
P
Positive power supply for headphone amplifiers.
B4
LIN+
I
Left channel audio signal non-inverting input pin.
C1
CPN
P
Charge pump flying capacitor negative connection.
C2
HPVSS
P
Charge pump output.
C3
SGND
I
Amplifier reference voltage.
C4
RIN+
I
Right channel audio signal non-inverting input pin.
D1
HI-Z
I
Output impedance select. Set to logic LOW for normal operation and logic HIGH for high output
impedance.
D2
GAIN
I
Gain select. Set to logic LOW for a gain of 0dB and to HIGH for a gain of 6dB.
D3
ROUT
O
Right channel output for headphone.
D4
RIN-
I
Right channel audio signal inverting input pin.
Pin Description


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