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TPA2014D1RGPT Fiches technique(PDF) 7 Page - Texas Instruments |
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TPA2014D1RGPT Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 27 page CLASS D AMPLIFIER AC CHARACTERISTICS TPA2014D1 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 TPA2014D1 www.ti.com ............................................................................................................................................................... SLAS559A – MAY 2008 – REVISED JUNE 2008 TA = 25°C, VDD = 3.6V, RL = 8 Ω + 33 µH, L = 6.2 µH, VCC = 5 V, Gain = 2 V/V(unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT KSVR Output referred power supply VDD = 3.6 V, VCC = 5, 200 mVPP ripple, f = 217 Hz –91 dB Class-D rejection ratio f = 1 kHz, Po = 1.2 W, VCC = 5 V 1% THD+N Total harmonic distortion + noise f = 1 kHz, Po = 1.5 W, VCC = 5 V 10% Class-D f = 1 kHz, Po = 1 W, VCC = 5 V 0.1% Vn Output integrated noise floor Av = 6 dB (2V/V) 31 Class-D µVrms Output integrated noise floor Av = 6 dB (2V/V) 23 A-weighted THD+N = 10%, VCC = 5 V, VDD = 3.6V , 1.5 PO Maximum output power THD+N = 1%, VCC = 5 V, VDD = 3.6V , 1.2 W THD+N = 0.1%, VCC = 5 V, VDD = 3.6V , 1 TEST SET-UP FOR GRAPHS (1) CI was shorted for any common-mode input voltage measurement. All other measurements were taken with a 1-µF CI (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. (4) L = 6.2 µH is used for the boost converter unless otherwise noted. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): TPA2014D1 |
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