PAM8014
3.2W MONO CLASS D AUDIO AMPLIFIER
Description Pin Assignments
The PAM8014 is a 3.2W mono filter-less class-D amplifier with high
(Top View)
PSRR and differential input that eliminate noise and RF rectification.
GND
Features like greater than 90% efficiency and small PCB area make IN+ OUT-
the PAM8014 Class-D amplifier ideal for portable applications. The
A3
A1 A2
output uses a filter-less architecture minimizing the number of
VDD
PVDD PGND
external components and PCB area whilst providing a high
B1 B2 B3
performance, simple and lower cost system.
IN- OUT+
SD
The PAM8014 features short circuit protection and thermal shutdown.
C2
C1 C3
The PAM8014 is available in U-WLB1313-9 package.
U-WLB1313-9
Features
Ultra Low EMI, -20dB Better Than FCC Class-B @ 300MHz
High Efficiency up to 93% @2W with a 8 Speaker
Applications
Shutdown Current <1A
3.2W@10% THD Output with a 4 Load at 5V Supply
Cellular Phones/Smart Phones
Demanding Few External Components
MP4/MP3
Superior Low Noise without Input
VOIP
Supply Voltage from 2.5V to 5.5 V
Digital Photo Frame
Short Circuit Protection
Electronic Dictionary
Thermal Shutdown
Portable Game Machines
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)
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See
Pin Descriptions
Pin Number Pin Name Function
A1 IN+ Positive Differential Input
A2 GND Ground
A3 OUT- Negative BTL Output
B1 VDD Power Supply
B2 PVDD Power Supply
B3 PGND Power Ground
C1 IN- Negative Differential Input
C2 EN Chip Enable
C3 OUT+ Positive BTL Output
Functional Block Diagram
VDD
RF
IN+ PVDD
Gate
RIN
OUT+
PWM Drive
-
Modulator
+
Gate
RIN OUT-
Drive
IN-
RF
PGND
SC
EN
EN
UVLO
Protect
GND
Startup
Bias and
OTP
OSC
Protection
Vref
Absolute Maximum Ratings (@T = +25C, unless otherwise specified.)
A
Symbol Parameter Value Unit
V Supply Voltage (V ) 6.0 V
DD DD
V Input Voltage (IN+, IN-, EN) -0.3 to V +0.3 V
I DD
Storage Temperature -65 to +150 C
TS
Maximum Junction Temperature +150 C
T
J
Recommended Operating Conditions (@T = +25C, unless otherwise specified.)
A
Symbol Parameter Min Max Unit
V Supply Voltage 2.5 5.5 V
DD
T Operating Ambient Temperature Range -25 +85 C
A
T Junction Temperature -40 +125 C
J
2 of 9
PAM8014 January 2016
Diodes Incorporated
www.diodes.com
Document number: DS38114 Rev. 1 - 2
NEW PRODUCT