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PAM8301 数据表(PDF) 5 Page - Power Analog Micoelectronics |
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PAM8301 数据表(HTML) 5 Page - Power Analog Micoelectronics |
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5 / 11 page ![]() 5 09/2008 Rev 1.2 , Power Analog Microelectronics Inc www.poweranalog.com Typical Performance Characteristic T =25°C,unless otherwise noted. A 3.Efficiency VS Output Power 5. THD+N VS Output Power PAM8301 Filterless Class-D Mono Audio Amplifier 60% 65% 70% 75% 80% 85% 90% 95% 100% 0 200 400 600 800 1000 1200 Output Pow e r(m W) VDD=5V VDD=3.6V 0.1 50 0.2 0.5 1 2 5 10 20 % 20m 3 50m 100m 200 m 500 m 1 2 W 5 V 3. 6 V . % 0 50 100 150 200 250 300 350 0 20 40 60 80 100 120 140 Temperature 1. Frequency VS Supply Voltage 2. Frequency VS Temperature 238 240 242 244 246 248 250 252 254 256 258 234 56 Supply Voltage (V) 4.Efficiency VS Output Power 6. THD+N VS Output Power R=8 L Ω ,Gain=23dB, f=1kHz, V =3.6V/5V DD 0.1 200 0.2 0.5 1 2 5 10 20 50 100 20m 3 50m 100m 200m 500m 1 2 W 5V 3.6V R=16 L Ω ,Gain=23dB, f=1kHz, V =3.6V/5V/5.5V DD 50% 55% 60% 65% 70% 75% 80% 85% 90% 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Output Pow er (mW) VDD=5V VDD=3.6V R=8 L Ω, V =3.6V/5V DD R=16 L Ω, V =3.6V/5V DD |
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