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TPA2026D2 Arkusz danych(PDF) 5 Page - Texas Instruments |
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TPA2026D2 Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 36 page TPA2026D2 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 TPA2026D2 www.ti.com SLOS649 – MARCH 2010 OPERATING CHARACTERISTICS at TA = 25°C, VDD = 3.6V, SDZ = 1.3 V, RL = 8 Ω +33 mH, 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 –68 dB faud_in = 1 kHz, PO = 550 mW, VDD = 3.6 V 0.1% faud_in = 1 kHz, PO = 1 W, VDD = 5 V 0.1% THD+N Total harmonic distortion + noise faud_in = 1 kHz, PO = 630 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 44 mV NfoA Output integrated noise Av = 6 dB floor, A-weighted 33 mV 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 750 mW Pomax Maximum output power THD+N = 1%, VDD = 5 V, RL = 8 Ω 1.4 W THD+N = 1% , VDD = 3.6 V, RL = 8 Ω 630 mW THD+N = 1%, VDD = 3.6 V, RL = 8 Ω, PO= 0.63 W 90% h Efficiency THD+N = 1%, VDD = 5 V, RL = 8 Ω, PO = 1.4 W 90% TEST SET-UP FOR GRAPHS (1) All measurements were taken with a 1-mF CI (unless otherwise noted). (2) A 33-mH 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 © 2010, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPA2026D2 |
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