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What is PAM8014?

This electronic component, produced by the manufacturer "Diodes", performs the same function as "3.2W MONO CLASS D AUDIO AMPLIFIER".


PAM8014 Datasheet PDF - Diodes

Part Number PAM8014
Description 3.2W MONO CLASS D AUDIO AMPLIFIER
Manufacturers Diodes　
Logo Diodes Logo　


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Description
The PAM8014 is a 3.2W mono filter-less class-D amplifier with high
PSRR and differential input that eliminate noise and RF rectification.
Features like greater than 90% efficiency and small PCB area make
the PAM8014 Class-D amplifier ideal for portable applications. The
output uses a filter-less architecture minimizing the number of
external components and PCB area whilst providing a high
performance, simple and lower cost system.
The PAM8014 features short circuit protection and thermal shutdown.
The PAM8014 is available in U-WLB1313-9 package.
Features
Ultra Low EMI, -20dB Better Than FCC Class-B @ 300MHz
High Efficiency up to 93% @2W with a 8Ω Speaker
Shutdown Current <1μA
3.2W@10% THD Output with a 4Ω Load at 5V Supply
Demanding Few External Components
Superior Low Noise without Input
Supply Voltage from 2.5V to 5.5 V
Short Circuit Protection
Thermal Shutdown
Available in Space Saving U-WLB1313-9 Package
Totally Lead-Free&Fully RoHS Compliant (Notes 1& 2)
Halogen and Antimony Free. “Green” Device (Note 3)
PAM8014
3.2W MONO CLASS D AUDIO AMPLIFIER
Pin Assignments
(Top View)
IN+
A1
VDD
B1
GND
A2
PVDD
B2
OUT-
A3
PGND
B3
IN- SD OUT+
C1 C2 C3
U-WLB1313-9
Applications
Cellular Phones/Smart Phones
MP4/MP3
VOIP
Digital Photo Frame
Electronic Dictionary
Portable Game Machines
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Typical Applications Circuit
VDD
1µF
Audio Input
Shut Down
PVDD VDD
0.1µF
IN+
IN-
0.1µF
SD
OUT+
OUT-
PGND GND
PAM8014
Document number: DS38114 Rev. 1 - 2
1 of 9
www.diodes.com
January 2016
© Diodes Incorporated

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PAM8014 equivalent
Performance Characteristics (@TA = +25°C, VDD = 5V, RIN = 0, Gain = 18dB, RL = L(33μH)+R+L(33μH), unless otherwise
specified.)
PSRR vs. Frequency (VDD=5.0V, RL=4Ω)
PSRR vs. Frequency (VDD=5.0V, RL=8Ω)
+0
-10
-20
-30
-40
d -50
B
-60
-70
-80
-90
-100
20
50
100
200
500
Hz
1k
2k
5k 10k 20k
+0
-10
-20
-30
-40
d -50
B
-60
-70
-80
-90
-100
20
50
100
200
500
Hz
1k
2k
5k 10k 20k
Frequency Response
+20
+19.75
+19.5
+19.25
+19
+18.75
+18.5
+18.25
+18
d +17.75
B
r +17.5
+17.25
A
+17
+16.75
+16.5
+16.25
+16
+15.75
+15.5
+15.25
+15
20
CIN=1μF
50 100
200
500
Hz
1k
2k
5k 10k 20k
Efficiency vs. Output Power (VDD=5.0V, RL=4Ω)
100
90
80
70
60
% 50
40
30
20
10
0
10 50 100 300 500 700 1000 1300 2000 3000
Output Power--mW
+0
-10
-20
-30
-40
d -50
B
r -60
A -70
-80
-90
-100
-110
-120
20
Noise Floor
50 100 200
500
Hz
1k
2k
5k 10k 20k
Efficiency vs. Output Power (VDD=5.0V, RL=8Ω)
100
80
60
%
40
20
0
Output Power--mW
PAM8014
Document number: DS38114 Rev. 1 - 2
5 of 9
www.diodes.com
January 2016
© Diodes Incorporated


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