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Diodes Semiconductor Electronic Components Datasheet

PAM8014 Datasheet

3.2W MONO CLASS D AUDIO AMPLIFIER

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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


Diodes Semiconductor Electronic Components Datasheet

PAM8014 Datasheet

3.2W MONO CLASS D AUDIO AMPLIFIER

No Preview Available !

Pin Descriptions
Pin Number
A1
A2
A3
B1
B2
B3
C1
C2
C3
Pin Name
IN+
GND
OUT-
VDD
PVDD
PGND
IN-
EN
OUT+
Positive Differential Input
Ground
Negative BTL Output
Power Supply
Power Supply
Power Ground
Negative Differential Input
Chip Enable
Positive BTL Output
Function
Functional Block Diagram
VDD
IN+ RF
RIN
-
PWM
Modulator
+
RIN
IN-
RF
Gate
Drive
Gate
Drive
EN EN
UVLO
SC
Pr otec t
Bias and
Vref
OSC
Startup
Pr otec ti on
OTP
PVDD
OUT+
OU T-
PGND
GND
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Symbol
VDD
VI
TS
TJ
Parameter
Supply Voltage (VDD)
Input Voltage (IN+, IN-, EN)
Storage Temperature
Maximum Junction Temperature
Value
6.0
-0.3 to VDD+0.3
-65 to +150
+150
Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)
Symbol
VDD
TA
TJ
Parameter
Supply Voltage
Operating Ambient Temperature Range
Junction Temperature
Min
2.5
-25
-40
Unit
V
V
°C
°C
Max
5.5
+85
+125
Unit
V
°C
°C
PAM8014
Document number: DS38114 Rev. 1 - 2
2 of 9
www.diodes.com
January 2016
© Diodes Incorporated


Part Number PAM8014
Description 3.2W MONO CLASS D AUDIO AMPLIFIER
Maker Diodes
Total Page 9 Pages
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