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PA3011 Schematic ( PDF Datasheet ) - Unisonic Technologies

Teilenummer PA3011
Beschreibung 3-W STEREO AUDIO POWER AMPLIFIER
Hersteller Unisonic Technologies
Logo Unisonic Technologies Logo 




Gesamt 7 Seiten
PA3011 Datasheet, Funktion
UNISONIC TECHNOLOGIES CO., LTD
PA301 1
3-W STEREO AUDIO POWER
AMPLIFIER WITH ADVANCED
DC VOLUME CONTROL
CMOS IC
DESCRIPTION
As a stereo audio speaker which is operating on a single 5.5V
supply, the UTC PA3011 is capable of delivering 3W of output
power per channel into 3loads with less than 10% THD+N.
The speaker volume level is adjusted by applying a dc voltage
to the VOLUME terminal. When a dc voltage is applied, to avoid
an unexpected high volume level through the headphones, a third
terminal, SEMAX, limits the headphone volume level. And also a
fade mode ramps the volume up and down to ensure a smooth
transition between active and shutdown modes,.
The UTC PA3011 can be applicatated in notebook, LCD
monitors and pocket PC.
FEATURES
* DC volume control with 2-dB steps :-40 dB ~ 20 dB
* Fade mode
* Maximum volume setting for SE mode
* 3 W into 3load
* MUX stereo input
ORDERING INFORMATION
Ordering Number
PA3011G-N24-R
Package
HTSSOP-24
Packing
Tape Reel
PA3011G-N24-R
MARKING
(1)Packing Type
(2)Package Type
(3)Green Package
(1) R: Tape Reel
(2) N24: HTSSOP-24
(3) G: Halogen Free and Lead Free
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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PA3011 Datasheet, Funktion
PA3011
CMOS IC
VOLUME CONTROL TABLE
BTL Mode, VDD=5V(Note 1)
VOLUME (PIN21)
GAIN OF
AMPLIFIER
SE Mode VDD=5V(Note 1)
SE_VOLUME=VOLUME – SEDIFF
GAIN OF
or SEMAX
AMPLIFIER
FROM(V)
TO(V)
(TYP)
FROM(V)
TO(V)
(TYP)
0.00 0.26 -85(Note 2) 0.00 0.26 -85(Note 2)
0.33 0.37 -40 0.33 0.37 -46
0.44 0.48 -38 0.44 0.48 -44
0.58 0.59 -36 0.56 0.59 -42
0.67 0.70 -34 0.67 0.70 -40
0.78 0.82 -32 0.78 0.82 -38
0.89 0.93 -30 0.89 0.93 -36
1.01 1.04 -28 1.01 1.04 -34
1.12 1.06 -26 1.12 1.16 -32
1.23 1.27 -24 1.23 1.27 -30
1.35 1.38 -22 1.35 1.38 -28
1.48 1.49 -20 1.48 1.49 -26
1.57 1.60 -18 1.57 1.60 -24
1.68 1.72 -16 1.68 1.72 -22
1.79 1.83 -14 1.79 1.83 -20
1.91 1.94 -12 1.91 1.94 -18
2.02 2.06 -10 2.02 2.06 -16
2.13 2.17
-8
2.13 2.17
-14
2.25 2.28 -6(Note 2) 2.25 2.28
-12
2.38 2.39
-4
2.36 2.39
-10
2.47 2.50 -2 2.47 2.50 -8
2.58 2.61 0 2.58 2.61 -6(Note 2)
2.70 2.73
2
2.70 2.73
-4
2.81 2.83
4
2.81 2.83
-2
2.92 2.95 6 2.92 2.95 0(Note 2)
3.04 3.06 8 3.04 3.06 2
3.15 3.17 10 3.15 3.17
4
3.28 3.29 12 3.26 3.29 6(Note 2)
3.38 3.40 14 3.38 3.40
8
3.49 3.51 16 3.49 3.51 10
3.60 3.63 18 3.60 3.63 12
3.71 5.00 20(Note 2) 3.71 5.00
14
Note: 1. For other values of VDD, scale the voltage values in the table by a factor of VDD/5.
2. Tested in production. Remaining gain steps are specified by design.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R502-247.B

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