PAM8001 Anti-Saturation Filterless 2W Class-D Stereo Amplifier with DC VolumeControl and Max Output Power Setting Key Features Applications n 2W Output at 1% THD with a 4 Ω Load at 5V Power Supply n Filterless, Low Quiescent Current and Low EMI n Low THD+N n 64-step DC Volume Control n Unique Anti-Saturation Function n Adjustable Max Output Power with No Clipping n Superior Low Noise n Low Pop Noise n Efficiency up to 90% n Short Circuit Protection n Thermal Shutdown n Few External Components to Save the Space and Cost n Pb-Free Package n n n n n n LCD Monitors / TV Projectors Notebook Computers Portable Speakers Portable DVD Players, Game Machines VoIP/Speaker Phones All in one computer /TV Ordering Information Part Numb er Package Type PAM8001NH R SSOP-24L PAM8001XHR QFN3* 3-20L Pin Configuration SSOP24L Top View QFN3*3-20L Top View 20 +OUT_L PGNDL PGNDL -OUT_L 1 2 3 4 PVDDL 5 MUTE 6 7 VDD INL 8 NC 9 VDC 10 VOLUME ANTI 11 12 24 +OUT_R 23 22 21 PGNDR PGNDR -OUT_R 20 19 PVDDR 18 19 18 17 16 PVDDR 15 1 -OUT_L 2 PVDDL SHDN GND SHDN 14 P8001 XXXY 3 MUTE GND 13 INR 12 4 VDD 17 INR 16 VREF 15 VPL VREF 11 5 INL VDD/2 13 NC 14 6 7 Typical Application Circuit PVDD L 10μF 1 μF PVDDL PGNDL PGNDL 0.47 μF INL INL 0.47 μF INR INR ON SHDN SHDN +OUT L ON MUTE MUTE VDD -OUT L VDD PAM8001 1μF VDC +OUT R -OUTR DC Volume VOLUME 1μF VDD/2 VREF AN TI-OFF R1 ANTI VPL 10nF R2 PVDDR PGNDR PGNDR 1 μF 10μF GND ANTI-ON 8 9 10