www.fairchildsemi.com
FAN7033MP
2W Stereo Power Amplifier with Fixed Gain
Features
鈥?1.9W
RMS
and 2.45W
RMS
Power Per Each Channel Into
4鈩?Load With Less Than 1% and 10% THD+N,
Respectively
鈥?Internally Fixed Gain : 21.6dB(Av=12)
鈥?Low Quiescent Current : Typical 5.5mA@5V
鈥?Low Shutdown Current : Typical 0.04碌A@5V
鈥?Fully Differential Input, Which Immunes the Common
Mode Noise
鈥?Active Low Shutdown Logic
鈥?Guaranteed Stability Under No Load Condition
鈥?Very Small Volume and Thermally Enhanced Surface-
Mount 14MLP Package(4mm*4mm)
Description
The FAN7033MP is a dual fully differential power amplifier
in a thermally enhanced 14-pin MLP package. When deliv-
ering 1.9W of continuous RMS power into 4鈩?speaker at 5V
supply, the FAN7033MP has less than 1% of THD+N over
the entire audible frequency range, 20Hz to 20kHz. To save
power consumption in the portable applications, the
FAN7033MP provides shutdown function. Setting the shut-
down pin to ground level, the FAN7033MP falls into shut-
down mode and consumes less than 4碌A over all supply
voltage range, 2.7V to 5.5V. Additional components such as
resistors for gain setting and bootstrap capacitors are not
needed, making the FAN7033MP well suited for portable
sound systems and other hand-held sound equipments. Tar-
get applications include the cellular phones, notebook, desk-
top computers, etc.
14MLP
1
BOTTOM VIEW
Typical Applications
鈥?Cellular Phones
鈥?Notebook Computer
鈥?Desktop Computer
Internal Block Diagram
90k鈩?/div>
15k鈩?/div>
RIN- 12
15k鈩?/div>
15k鈩?/div>
13 ROUT+
10 PVDD1
9 ROUT-
15k鈩?/div>
90k鈩?/div>
90k鈩?/div>
90k鈩?/div>
RIN+ 4
11 VDD
7 BYPASS
8 GND
SD 14
VDD/2
BIAS
&
CONTROL
90k鈩?/div>
90k鈩?/div>
90k鈩?/div>
15k鈩?/div>
LIN+ 6
15k鈩?/div>
15k鈩?/div>
1 LOUT+
3 PVDD2
5 LOUT-
15k鈩?/div>
90k鈩?/div>
LIN- 2
Rev. 1.0.0
漏2003 Fairchild Semiconductor Corporation
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