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TPA2018D1YZFT Folha de dados(PDF) 5 Page - Texas Instruments |
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TPA2018D1YZFT Folha de dados(HTML) 5 Page - Texas Instruments |
5 / 36 page OPERATING CHARACTERISTICS TPA2018D1 IN+ IN– OUT+ OUT– V DD V DD GND C I C I Measurement Output + + – – Load 30kHz Low-Pass Filter Measurement Input + – 1 F m TPA2018D1 www.ti.com ................................................................................................................................................................................................ SLOS592 – AUGUST 2009 at TA = 25°C, VDD = 3.6V, EN = 1.3 V, RL = 8 Ω +33 µH, and AV = 6 dB (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT kSVR power-supply ripple rejection ratio VDD = 3.6 Vdc with ac of 200 mVPP at 217 Hz –70 dB faud_in = 1 kHz; PO = 550 mW; VDD = 3.6 V 0.1% faud_in = 1 kHz; PO = 1.25 W; VDD = 5 V 0.1% THD+N Total harmonic distortion + noise faud_in = 1 kHz; PO = 710 mW; VDD = 3.6 V 1% faud_in = 1 kHz; PO = 1.4 W; VDD = 5 V 1% NfonF Output integrated noise Av = 6 dB 42 µV NfoA Output integrated noise Av = 6 dB floor, A-weighted 30 µV FR Frequency response Av = 6 dB 20 20000 Hz THD+N = 10%, VDD = 5 V, RL = 8 Ω 1.72 W THD+N = 10%, VDD = 3.6 V, RL = 8 Ω 880 mW THD+N = 1%, VDD = 5 V, RL = 8 Ω 1.4 W Pomax Maximum output power THD+N = 1% , VDD = 3.6 V, RL = 8 Ω 710 mW THD+N = 1% , VDD = 5 V, RL = 4 Ω 2.5 W THD+N = 10% , VDD = 5 V, RL = 4 Ω 3 W THD+N = 1%, VDD = 3.6 V, RL = 8 Ω, PO= 0.71 W 91% η Efficiency THD+N = 1%, VDD = 5 V, RL = 8 Ω, PO = 1.4 W 93% TEST SET-UP FOR GRAPHS (1) All measurements were taken with a 1- µF C I (unless otherwise noted.) (2) A 33- µH inductor was placed in series with the load resistor to emulate a small speaker for efficiency measurements. (3) The 30-kHz low-pass filter is required, even if the analyzer has an internal low-pass filter. An RC low-pass filter (1 k Ω 4.7 nF) is used on each output for the data sheet graphs. Copyright © 2009, Texas Instruments Incorporated 5 Product Folder Link(s): TPA2018D1 |
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