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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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THS4532IPWR датащи(PDF) 32 Page - Texas Instruments |
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THS4532IPWR датащи(HTML) 32 Page - Texas Instruments |
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32 / 44 page  −21 −18 −15 −12 −9 −6 −3 0 3 100k 1M 10M 100M Frequency (Hz) CL = 0 pF, RO = 0 Ω CL = 15 pF, RO = 200 Ω CL = 39 pF, RO = 100 Ω CL = 120 pF, RO = 50 Ω CL = 470 pF, RO = 20 Ω CL = 1200 pF, RO = 12 Ω VS = 2.7 V G = 1 V/V RF = 2 kΩ RL = 2 kΩ VOUT = 100 mVpp G069 1 10 100 200 1 10 100 1k 2k CLOAD (pF) VS = 2.7 V G = 1 V/V RF = 2 kΩ RL = 2 kΩ G068 THS4532 SLOS829 – FEBRUARY 2013 www.ti.com Figure 82. Recommended Series Output Resistor vs Capacitive Load for Flat Frequency Response Figure 83. Frequency Response for Various RO and CL Values Audio Performance The THS4532 provides excellent audio performance with very low quiescent power. To show performance in the audio band, the device was tested with an audio analyzer. THD+N and FFT tests were run at 1Vrms output voltage. Performance is the same on both 2.7V and 5V supply. Figure 84 is the test circuit used, and Figure 85 and Figure 86 show performance of the analyzer. In the FFT plot the harmonic spurs are at the testing limit of the analyzer, which means the THS4532 is actually much better than can be directly measured. Because the THS4532 distortion performance cannot be directly measured in the audio band it is estimated from measurement in high noise gain configuration correlated with simulation. 32 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links :THS4532 |
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