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PT2303 Datasheet Preview

PT2303 Datasheet

2W x 2 Class AB Audio Power Amplifier

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PT2303
2W x 2 Class AB Audio Power Amplifier
DESCRIPTION
The PT2303 is a power amplifier utilizing CMOS
Technology specially designed for audio purpose. It
can deliver 2W × 2 power output to the 5V power
voltage. The power consumption is very low in
stand-by. Total harmonic distortion is lower than
0.03%. The output mode can be switched between the
SE (Single-Ended) or BTL (Bridge-Tied Load) mode.
Built-in over-temperature protection, package size is
not occupies PCB space. It is suitable for small or
portable products.
APPLICATIONS
LCD monitor (for TV)
Portable audio
Multimedia speakers
Other audio applications
FEATURES
CMOS Technology
Stereo input
Output power 2W × 2 (4)
Low harmonics distortion (0.03%)
SE and BTL modes operation
Suppress the pop and click noise when mode
changed
Shutdown function, turn on can into save mode
(Icc<0.5µA)
Built-in overheat protect
BLOCK DIAGRAM
Tel: 886-66296288Fax: 886-29174598http://www.princeton.com.tw2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan




PTC

PT2303 Datasheet Preview

PT2303 Datasheet

2W x 2 Class AB Audio Power Amplifier

No Preview Available !

PT2303
APPLICATION CIRCUIT
Rf
CH1 IN
Ri 206k
VDD
1uF 20k
8
ON
OFF
ShutDown
VDD
1
4,13
CVDD
CB
10uF 1uF
10
2,7,15
-IN1
+IN1
DShouwt n
VDD
Vref
GND
CH2 IN
1uF Ri
20k
11 -IN2
9 +IN2
Rf
20k
AMP1N
POWER
BLOCK
AMP2N
-OUT1 5
220uF
1k
BTL/SE
Sense
AMP1P
SE/BTL
+OUT1 3
HP-IN 16
-OUT2 12
VDD
100k
100k
220uF
1k
HEADPHONE
AMP2P
+OUT2 14
ORDER INFORMATION
Valid Part Number
PT2303-D
PT2303-S
PT2303-TX
PT2303-HT
Package Type
16 Pins, DIP, 300mil
16 Pins, SOP, 300mil
20 Pins, TSSOP, 173mil
20 Pins, HTSSOP,173mil
Top Code
PT2303-D
PT2303-S
PT2303-TX
PT2303-HT
V1.3
2 December 2010


Part Number PT2303
Description 2W x 2 Class AB Audio Power Amplifier
Maker PTC
PDF Download

PT2303 Datasheet PDF






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