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PDF PA3202 Data sheet ( Hoja de datos )
| Número de pieza | PA3202 | |
| Descripción | 2W STEREO AUDIO POWER AMPLIFIER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
PA3202
2-W STEREO AUDIO POWER
AMPLIFIER WITH MUTE
CMOS IC
DESCRIPTION
The UTC PA3202 is a monolithic integrated circuit that stereo
bridged audio power amplifiers capable of producing 2 W into 3Ω
with a 5V supply voltage or 800mW into 3Ω with a 3.3V supply
voltage .The UTC PA3202 simplifies design and frees up board
space for other features. Both of the depop circuitry and the
thermal shutdown protection circuitry are integrated in UTC
PA3202, that reduce clicks and pops noise during power up or
shutdown mode operation.
A MUX control terminal (HP/LINE) allows selection between the
two sets of stereo input signals. To simplify the audio system
design, UTC PA3202 combines a stereo bridge-tied loads
(BTL)mode for speaker drive and a stereo single-end (SE)mode for
headphone drive into a single chip, where both modes are easily
switched by the SE/BTL input control pin signal.
HTSSOP-24
*Pb-free plating product number: PA3202L
FEATURES
* Improves depop circuitry to eliminate turn-on and turn-off
transients in output
http://www.DataSheet4U.com/
* Output power:
-2W(typ.)@5V into 3Ω with 0.2% THD+N max (1kHz)
-800mW(typ.)@3.3V into 3Ω with 0.2% THD+N max (1kHz)
* Fully specified for use with 3-Ω Loads
* Stereo switchable bridged/single-ended power amplifiers
* Input MUX select terminal
* Thermal-shutdown protection
* Shutdown mode available
ORDERING INFORMATION
Ordering Number
Normal
Lead Free Plating
PA3202-N24-R
PA3202L-N24-R
PA3202-N24-T
PA3202L-N24-T
Package
HTSSOP-24
HTSSOP-24
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2007 Unisonic Technologies Co., Ltd
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PA3202
AC OPERATING CHARACTERISTICS
VDD = 5 V, TA = 25 , RL = 3Ω
PARAMETER
SYMBOL
TEST CONDITIONS
Output Power (Each Channel) See
Note 2
POUT
THD =0.2% BTL
THD =1% BTL
Total Harmonic
Noise
Distortion
Plus
TDH+N
POUT = 2 W, f = 20 ~20 kHz
VIN = 1V, RL=10KΩ, AV=1V/V
Maximum Output Power Bandwidth
Phase Margin
BW AV = 10 V/V ,THD < 1 %,
RL = 4 Ω, Open Loop,
Supply Ripple Rejection Ratio
RR
f = 1 kHz
f = 20~20kHz,
Mute Attenuation
Channel-to-Channel Output
Separation
f = 1 kHz
Line/HP Input Separation
BTL Attenuation in SE Mode
Input Impedance
ZIN
Signal-to-Noise Ratio
POUT =500mW, BTL
Output Noise Voltage
eN
VDD = 3.3 V, TA = 25 , RL = 3Ω
PARAMETER
SYMBOL
TEST CONDITIONS
Output Power ( Each Channel) See
Note 2
POUT
THD =0.2% BTL
THD =1% BTL
Total Harmonic Distortion Plus
Noise
Maximum Output Power Bandwidth
TDH+N
BW
POUT = 800mW, f = 20 ~20 kHz
VIN = 1V, RL=10KΩ, AV=1V/V
AV = 10 V/V, THD < 1 %,http://www.DataSheet4U.com/
Phase Margin
RL = 4 Ω, Open Loop
Supply Ripple Rejection Ratio
RR
f = 1 kHz
f = 20~20kHz,
Mute Attenuation
Channel-to-Channel Output
Separation
f = 1 kHz
Line/HP Input Separation
BTL Attenuation in SE Mode
Input Impedance
ZIN
Signal-to-Noise Ratio
POUT =500mW, BTL
Output Noise Voltage
eN
Note 2. Output power is measured at the output terminals of the IC at 1 kHz.
CMOS IC
MIN TYP MAX UNIT
2
2.2
W
200 m%
100 m%
>20 KHz
85°
80
60
dB
85 dB
85 dB
100 dB
100 dB
2 MΩ
95 dB
21 µV(RMS)
MIN TYP MAX UNIT
800
900
mW
350 m%
200 m%
>20 KHz
85°
70
55
dB
85 dB
85 dB
100 dB
100 dB
2 MΩ
95 dB
21 µV(RMS)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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PA3202
CMOS IC
http://www.DataSheet4U.com/
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet PA3202.PDF ] | |
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