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PAM8001 Dataheets PDF



Part Number PAM8001
Manufacturers Diodes
Logo Diodes
Description ANTI-SATURATION FILTERLESS 2W CLASS-D STEREO AMPLIFIER
Datasheet PAM8001 DatasheetPAM8001 Datasheet (PDF)

A Product Line of Diodes Incorporated PAM8001 ANTI-SATURATION FILTERLESS 2W CLASS-D STEREO AMPLIFIER WITH DC VOLUME CONTROL AND MAX OUTPUT POWER SETTING Description The PAM8001 is a 2W, class-D audio amplifier. Advanced 64-step DC volume control minimizes external components and allows speaker volume control. PAM unique anti-saturation technology which detects output signal clip due to the over level input signal suppress the output signal clip automatically. Also control the gain for set max p.

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A Product Line of Diodes Incorporated PAM8001 ANTI-SATURATION FILTERLESS 2W CLASS-D STEREO AMPLIFIER WITH DC VOLUME CONTROL AND MAX OUTPUT POWER SETTING Description The PAM8001 is a 2W, class-D audio amplifier. Advanced 64-step DC volume control minimizes external components and allows speaker volume control. PAM unique anti-saturation technology which detects output signal clip due to the over level input signal suppress the output signal clip automatically. Also control the gain for set max power. It can protect low wattage speaker from overdrive damage even same platform with high wattage model. It offers low THD+N, to produce high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, without low-pass output filters which will save system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8001 is much better than class-AB cousins. It can extend the battery life thus be ideal for portable applications. The PAM8001 is available in SSOP-24L and QFN3*3-20L package. Pin Assignments Features  2W Output at 1% THD with a 4Ω Load at 5V Power Supply  Filterless, Low Quiescent Current and Low EMI  Low THD+N  64-Step DC Volume Control  Unique Anti-Saturation Function  Adjustable Max Output Power with No Clipping  Superior Low Noise  Low Pop Noise  Efficiency up to 90%  Short Circuit Protection  Thermal Shutdown  Few External Components to Save the Space and Cost  Pb-Free Package Applications  LCD Monitors / TV Projectors  Notebook Computers  Portable Speakers  Portable DVD Players, Game Machines  VoIP/Speaker Phones  All In One Computer /TV PAM8001 Document number: DSxxxxx Rev. 1 - 0 1 of 17 www.diodes.com February 2013 © Diodes Incorporated Typical Applications Circuit A Product Line of Diodes Incorporated PAM8001 Pin Descriptions Pin Number QFN3x3 SSOP Pin Name 1 4 -OUT_L 2 5 PVDDL 3 6 MUTE 4 7 VDD 58 INL 6 10 VDC 7 11 VOLUME 8 12 ANTI 9 14 VDD/2 10 15 VPL 11 16 VREF 12 17 INR 13 18 GND 14 19 SHDN 15 20 PVDDR 16 21 -OUT_R 17 22/23 PGNDR 18 24 +OUT_R 19 1 +OUT_L 20 2/3 PGNDL 9/13 NC PAM8001 Document number: DSxxxxx Rev. 1 - 0 Function Left Channel Negative Output Left Channel Power Supply Mute Control Input (active low) Analog VDD Left Channel Input Analog Reference for Gain Control Selection DC Volume Control to Set the Gain of Class-D Anti-Saturation On/Off Control Internal Common Mode Voltage, Connect a Bypass Capacitior form This Pin to GND Maximum Output Power Setting Voltage Reference Voltage Out for VPL Right Channel Input Analog Ground Shutdown Control Input (active low) Right Channel Power Supply Right Channel Negative Output Right Channel Power GND Right Channel Positive Output Left Channel Positive Output Left Channel Power GND No Connection 2 of 17 www.diodes.com February 2013 © Diodes Incorporated Functional Block Diagram A Product Line of Diodes Incorporated PAM8.


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