PDF PAM8014 Data sheet ( Hoja de datos )

Número de pieza	PAM8014
Descripción	3.2W MONO CLASS D AUDIO AMPLIFIER
Fabricantes	Diodes
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No Preview Available ! 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 1 page 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 5 Page

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