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NCP4896 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. NCP4896
Description  1.0 Watt Audio Power Amplifier with Earpiece Driving Capability
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP4896 Datasheet(HTML) 2 Page - ON Semiconductor

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NCP4896
http://onsemi.com
2
Figure 1. Typical NCP4896 Application Circuit with Single−Ended Input
+
VP
INM
VP
VP
8.0
W
LOUD
SPEAKER
OUTA
OUTB
R1
20 k
W
VMC
BRIDGE
BYPASS
20 k
W
1
mF
390 nF
SHUTDOWN
CONTROL
20 k
W
1
mF
Cs
Rin
Cin
Audio Input
+
20 k
W
R2
VM
BYPASS
BYPASS
Cb
VIH
SE/BTL
SHUTDOWN
VIL
SE
D
Co
47
mF
MONO JACK
16
W or 32 W
EARPIECE
RF
PIN DESCRIPTION
Pin
Type
Symbol
Description
A1
I
SE/BTL
When this pin is Low , the audio amplifier is in differential mode. If a High level is applied, the configuration is in
Single−Ended Mode
A2
I
BYP
Bypass capacitor pin which provides the common mode voltage (VP/2).
A3
O
OUTB
Positive output of the amplifier. In high impedance state when the device is in Single−Ended mode.
B1
I
VP
Positive analog supply of the cell.
B2
NC
Not connected.
B3
I
VM
Ground.
C1
I
INM
Audio Input Signal.
C2
I
SD
The device enters in shutdown mode when a low level is applied to this pin.
C3
O
OUTA
Negative output of the amplifier. This is the active output dedicated to a SE load when this configuration is
activated.


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