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TPA6135A2RTER Scheda tecnica(PDF) 3 Page - Texas Instruments |
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TPA6135A2RTER Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 22 page DEVICE PINOUT 1 HPVDD CPP INL- INL+ INR+ INR- PGND CPN 2 3 4 12 11 10 9 TPA6135A2 www.ti.com .................................................................................................................................................. SLOS623A – FEBRUARY 2009 – REVISED APRIL 2009 RTE (QFN) PACKAGE (TOP VIEW) PIN FUNCTIONS PIN I/O/P PIN DESCRIPTION NAME QFN INL- 1 I Inverting left input for differential signals; left input for single-ended signals INL+ 2 I Non-inverting left input for differential signals. Connect to ground for single-ended input applications INR+ 3 I Non-inverting right input for differential signals. Connect to ground for single-ended input applications INR- 4 I Inverting right input for differential signals; right input for single-ended signals OUTR 5 O Right headphone amplifier output. Connect to right terminal of headphone jack HI-Z 6 I Output impedance select. Set to logic LOW for normal operation and to logic HIGH for high output impedance GAIN 7 I Gain select. Set to logic LOW for a gain of 0dB and to logic HIGH for a gain of 6dB HPVSS 8 P Charge pump output and negative power supply for output amplifiers; connect 1 µF capacitor to GND CPN 9 P Charge pump negative flying cap. Connect to negative side of 1 µF capacitor between CPP and CPN PGND 10 P Ground CPP 11 P Charge pump positive flying cap. Connect to positive side of 1 µF capacitor between CPP and CPN HPVDD 12 P Positive power supply for headphone amplifiers. Connect to a 2.2 µF capacitor. Do not connect to VDD EN 13 I Amplifier enable. Connect to logic LOW to shutdown; connect to logic HIGH to activate VDD 14 P Positive power supply for TPA6135A2 SGND 15 I Amplifier reference voltage. Connect to ground terminal of headphone jack OUTL 16 O Left headphone amplifier output. Connect to left terminal of headphone jack Thermal – P Solder the exposed metal pad on the TPA6135A2RTE QFN package to the landing pad on the PCB. Pad Connect the landing pad to ground or leave it electrically unconnected (floating). Copyright © 2009, Texas Instruments Incorporated 3 Product Folder Link(s) :TPA6135A2 |
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