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PDF PA3332 Data sheet ( Hoja de datos )
| Número de pieza | PA3332 | |
| Descripción | 2.6W STEREO AUDIO AMPLIFIER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
PA3332
Preliminary
2.6W STEREO AUDIO
AMPLIFIER
DESCRIPTION
The UTC PA3332 is a stereo audio power amplifier.
When the device is idle, it enters SHDN mode for some low
current consumption applications. The current dissipation is thus
reduced below 5μA. Mute function is included to mute the output.
Operating on a 5V power supply, the UTC PA3332 is capable of
driving a 4.0 Ω BTL load at a continuous average RMS output of
2.0W per channel with a less than 1% THD.％
There are two input paths, therefore, two different gain loops can
be set in the same PCB. We could choose one of the two gain paths
through the logic level of IN/IN pin. This increases the flexibility of
the hardware design. In order to prevent the speakers from
burned-out, the UTC PA3332 also has a function of maximum output
power clamping is designed.
FEATURES
* Including de-pop circuit
* Output power at 1% THD+N, VDD=5V
2.0W/CH (TYP.) into a 4Ω Load
1.3W/CH (TYP.) into a 8Ω Load
* Output power at 10% THD+N, VDD=5V
2.6W/CH (typical) into a 4Ω Load
1.6W/CH (typical) into a 8Ω Load
* BTL mode (Bridge-Tied Load)
* Maximum output power clamping circuitry contained
* Mute and shutdown control available
* Stereo input MUX
ORDERING INFORMATION
Ordering Number
PA3332G-N24-R
Package
HTSSOP-24
CMOS IC
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1 of 9
QW-R502-488.b
1 page  
PA3332
Preliminary
CMOS IC
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
AC Operation Characteristics (VDD =3.3V, TA=+25°C, RL = 4Ω, unless otherwise noted)
THD = 1%, BTL, RL = 4Ω
Output Power (Note)
POUT
THD = 1%, BTL, RL = 8Ω
THD = 10%, BTL, RL = 4Ω
THD = 10%, BTL, RL = 8Ω
PO = 0.7W, BTL, RL = 4Ω
Total Harmonic Distortion Plus Noise THD+N PO = 0.45W, BTL, RL = 8Ω
Max Output Power Bandwidth
VI = 1V, RL = 10KΩ, G = 1
BOM G = 1, THD = 1%
Phase Margin
Power Supply Ripple Rejection
RL = 4Ω, Open Load
PSRR f = 120Hz
Mute Attenuation
Channel-To-Channel Output
Separation
f = 1kHz
IN1/IN2 Input Separation
Input Impedance
ZI
Signal-To-Noise Ratio
Output Noise Voltage
PO = 500mW, BTL
Vn Output noise voltage
TYP MAX UNIT
0.85
0.55
1.1
W
0.7
270
100 m%
10
20 kHz
60 °
65 dB
90 dB
80 dB
80 dB
2 MΩ
90 dB
55 μV(rms)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 9
QW-R502-488.b
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet PA3332.PDF ] | |
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