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PDF PT2337 Data sheet ( Hoja de datos )
| Número de pieza | PT2337 | |
| Descripción | Stereo 2W Class-D Amplifier | |
| Fabricantes | ANGUS ELECTRONICS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PT2337 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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ANGUS ELECTRONICS CO., LTD
Preliminary
PT2337
Tel: (852) 2345 0540 Fax: (852) 2345 9948
Stereo 2W Class-D Amplifier With Built-In
Web Site: www.angus.com.hk
Audio Processor
DESCRIPTION
The PT2337 is an integrated audio amplifier design for
the low voltage (5V) application purpose, built-in
stereo 2W Class-D power amplifier with audio
processor, it provides 4 stereo sources selector, and
all signal process is based on pure analog processing
to maintain high performances and low power
consumption. The audio processor includes all the
advanced control functions such like digital controlled
volume, treble and bass control. The whole chip
functions are controlled via I2C bus.
APPLICATIONS
• Portable player duck speaker system
• Portable media player
• Digital photo frame
• Flat panel display and TV
• Other audio applications
FEATURES
• Supply voltage: 3 ~ 6V
• 2W X 2 Class-D power amplifier (VDD=5V,
RL=4Ω)
• 4 Stereo inputs
• 32 steps, independent channel volume controller
• Bass and treble control.
• 2 voltage gain setting for power amp, (20dB, 26dB)
• Pop-Free circuitry eliminates unpleasant noises
during power ON/OFF.
• Low power shutdown
• High PSRR
• High RF radiation immunity.
• Over heat/over current protection
• Controlled by I2C interface
• Pin-compatible with PT2334 (Partly functions
compatible)
• LQFP 48 pins package
BLOCK DIAGRAM
R1
R2
R3
R4
VDD
BYPASS
GND
AVDD
AGND
SD
RT RB2 RB1
R-VOL
T REBLE
BA SS
Vref
Vref
RCH 2W
CLA S S-D
OE
SDA
Cont rol
Int e rfac e
SCL
LCH 2W
CLA S S-D
Vref
L4
L3
T REBLE
BA SS
L2 L-VOL
L1
LT LB2 LB1
ROUT
RINP
RINN
RVDD ROP
RGND RON
LGND LON
LVDD LOP
LINN
LINP
LOUT
PRE1.1
1
July, 2009
1 page  
PT2337
IMPORTANT NOTICE
Princeton Technology Corporation (PTC) reserves the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and to discontinue any product without notice at any time.
PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No
circuit patent licenses are implied.
ANGUS ELECTRONICS CO., LTD
Tel: (852) 2345 0540 Fax: (852) 2345 9948
Web Site: www.angus.com.hk
PRE1.1
5
July, 2009
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PT2337.PDF ] | |
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