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PDF PAM8902 Data sheet ( Hoja de datos )
| Número de pieza | PAM8902 | |
| Descripción | MONO CLASS-D AUDIO AMPLIFIER | |
| Fabricantes | Diodes | |
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A Product Line of
Diodes Incorporated
NOT RECOMMENDED FOR NEW DESIGN
USE PAM8902H
PAM8902
30-VPP MONO CLASS-D AUDIO AMPLIFIER FOR PIEZO/CERAMIC SPEAKERS
Description
The PAM8902 is a mono, Class-D audio amplifier with integrated
boost converter designed for piezo and ceramic speakers.The
PAM8902 is capable of driving a ceramic/piezo speaker with
30VPP(10.6Vrms) from a 3.6V power supply.The PAM8902's Boost
converter operates at a fixed frequency of 1.5MHz, and provides a
17.5V supply with a minimum number of external components.
PAM8902 features an integrated audio low pass filter that rejects high
frequency noise thus improving audio fidelity. And three gain modes
of 18dB, 22dB and 26dB for ease of use. PAM8902 also provides
thermal, short, under- and over-voltage protection.
The PAM8902 is available in a 16-ball 1.95mm x 1.95mm CSP
package and 16-pin QFN4x4 package.
Pin Assignments
Features
Supply Voltage Range From 2.5V to 5.5V
30 VPP Output Load Voltage From a 2.5V Supply
Integrated Boost Converter Generates 17.5V Supply
Programmable Soft-Start
Small Boost Converter Inductor
Selectable Gain of 18dB, 22dB, and 26dB
Selectable Boost Output Voltage of 8V, 12V and 17.5V
Low Shutdown Current: < 1µA
Built-in Thermal, OCP, OVP, Short Protection
Available in Space Saving Packages:
16-ball 1.95mmx1.95mm CSP Package
16-pin QFN4x4 Package
Applications
Wireless or Cellular Handsets
Portable DVD Player
Personal Digital Assistants (PDAs )
Electronic Dictionaries
Digital Still Cameras
PAM8902
Document number: DS36454 Rev. 2 - 3
1 of 13
www.diodes.com
September 2016
© Diodes Incorporated
1 page  
A Product Line of
Diodes Incorporated
PAM8902
Typical Performance Characteristics
(@TA = +25°C, VDD = 4.2V, Gain = 26dB, CIN = 1µF, CLOAD = 1µF, unless otherwise specified.)
PAM8902
Document number: DS36454 Rev. 2 - 3
5 of 13
www.diodes.com
September 2016
© Diodes Incorporated
5 Page 
Package Outline Dimensions (All dimensions in mm.)
CSP-16
A Product Line of
Diodes Incorporated
PAM8902
PAM8902
Document number: DS36454 Rev. 2 - 3
11 of 13
www.diodes.com
September 2016
© Diodes Incorporated
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet PAM8902.PDF ] | |
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