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TPA2005D1GQYR データシート(PDF) 6 Page - Texas Instruments |
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TPA2005D1GQYR データシート(HTML) 6 Page - Texas Instruments |
6 / 22 page TPA2005D1 SLOS369B – JULY 2002 – REVISED DECEMBER 2002 www.ti.com 6 TYPICAL CHARACTERISTICS Figure 1 0 10 20 30 40 50 60 70 80 90 100 0 0.1 0.2 0.3 0.4 0.5 0.6 PO – Output Power – W EFFICIENCY vs OUTPUT POWER VDD = 3.6 RL = 32 Ω, 33 µH RL = 16 Ω, 33 µH RL = 8 Ω, 33 µH Class-AB, RL = 8 Ω Figure 2 0 10 20 30 40 50 60 70 80 90 0 0.2 0.4 0.6 0.8 1 1.2 VDD = 2.5 V, RL= 8 Ω, 33 µH VDD = 5 V, RL = 8 Ω, 33 µH Class-AB, VDD = 5 V, RL = 8 Ω PO – Output Power – W EFFICIENCY vs OUTPUT POWER Figure 3 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 0.2 0.4 0.6 0.8 1 1.2 POWER DISSIPATION vs OUTPUT POWER PO – Output Power – W Class-AB, VDD = 5 V, RL = 8 Ω Class-AB, VDD = 3.6 V, RL = 8 Ω VDD = 3.6 V, RL = 8 Ω, 33 µH VDD = 5 V, RL = 8 Ω, 33 µH Figure 4 0 50 100 150 200 250 0 0.1 0.2 0.3 0.4 0.5 0.6 RL = 8 Ω, 33 µH VDD = 3.6 V RL = 32 Ω, 33 µH SUPPLY CURRENT vs OUTPUT POWER PO – Output Power – W Figure 5 0 50 100 150 200 250 300 0 0.2 0.4 0.6 0.8 1 1.2 SUPPLY CURRENT vs OUTPUT POWER PO – Output Power – W VDD = 2.5 V, RL = 8 Ω, 33 µH VDD = 3.6 V, RL = 8 Ω, 33 µH VDD = 5 V, RL = 8 Ω, 33 µH Figure 6 2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6 3.8 2.5 3 3.5 4 4.5 5 5.5 QUIESCENT CURRENT vs SUPPLY VOLTAGE VDD – Supply Voltage – V No Load RL = 8 Ω, 33 µH Figure 7 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 VDD = 2.5 V VDD = 3.6 V VDD = 5 V Shutdown Voltage – V SHUTDOWN CURRENT vs SHUTDOWN VOLTAGE Figure 8 2.5 3 3.5 4 4.5 5 VDD – Supply Voltage – V OUTPUT POWER vs SUPPLY VOLTAGE RL = 8 Ω f = 1 kHz Gain = 2 V/V THD+N = 1% THD+N = 10% 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 Figure 9 0 0.2 0.4 0.6 0.8 1 1.2 1.4 8 121620 28 RL – Load Resistance – Ω OUTPUT POWER vs LOAD RESISTANCE 32 24 f = 1 kHz THD+N = 1% Gain = 2 V/V VDD = 2.5 V VDD = 3.6 V VDD = 5 V |
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