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TPA6120A2DWP データシート(PDF) 8 Page - Texas Instruments |
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TPA6120A2DWP データシート(HTML) 8 Page - Texas Instruments |
8 / 31 page LIN− LIN+ RIN− RIN+ TPA6120A2 LOUT ROUT LVCC+ LVCC– LIN+ LIN– RIN+ RIN– RVCC+ RVCC– Audio Precision Measurement Output + - LEFTINM LEFTINP CI CI VDD GND External Power Supply + - 1uf HPLEFT Rseries Load Low Pass Filter Audio Precision Measurement Input + - TPA6120A2 TPA6120A2 SLOS431B – MARCH 2004 – REVISED FEBRUARY 2015 www.ti.com 8 Parameter Measurement Information A. Separate power supply decoupling capacitors are used on all Vcc pins. B. The low-pass filter is used to remove harmonic content above the audible range. Figure 12. Test Circuit 9 Detailed Description 9.1 Overview The TPA6120A2 is a current-feedback amplifier with differential inputs and single-ended outputs. 9.2 Functional Block Diagram 9.3 Feature Description 9.3.1 Current-Feedback Amplifier Current feedback results in low voltage noise, low distortion, high open-loop gain throughout a large frequency range, and can be used in a similar fashion as voltage-feedback amplifiers. The low distortion of the TPA6120A2 results in a signal-to-noise ratio of 128 dB. 9.3.2 Independent Power Supplies Because the power supplies for the two amplifiers are available separately, one amplifier can be turned off to conserve power. See Power Supply Recommendations. 8 Submit Documentation Feedback Copyright © 2004–2015, Texas Instruments Incorporated Product Folder Links: TPA6120A2 |
同様の部品番号 - TPA6120A2DWP |
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同様の説明 - TPA6120A2DWP |
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