Datenblatt-Suchmaschine für elektronische Bauteile |
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TPA6020A2EVM Datenblatt(PDF) 1 Page - Texas Instruments |
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TPA6020A2EVM Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 25 page www.ti.com FEATURES APPLICATIONS DESCRIPTION APPLICATION CIRCUIT 8 9 10 11 GND RS/D GND LBYPASS ROUT+ RBYPASS ROUT- LIN- LOUT+ LIN+ 20-PIN QFN (RGW) PACKAGE (TOP VIEW) 7 6 12 13 14 15 16 17 18 19 20 1 2 3 4 5 (See note A) _ _ + + RVDD ROUT+ LOUT+ ROUT- LOUT- GND 2, 5, Thermal Pad LVDD 19 1 4 3 6 7 To Supply To Supply Bias Circuitry RIN- LIN- RIN+ LIN+ 17 13 16 12 15 11 + + - - In From In From DAC DAC SHUTDOWN R I R I R I RI 14 9 C (RBYPASS) C (LBYPASS) 100 kW 100 kW 40 kW 40 kW 40 kW 40 kW TPA6020A2 SLOS458B – JULY 2005 – REVISED AUGUST 2005 2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER • Notebook PCs • Ideal for Notebook PCs • LCD TVs • Fully Differential Architecture and High PSRR (-80 dB) Provide Excellent RF Rectification Immunity • 2.8 W Into 3 Ω From a 5-V Supply at The TPA6020A2 is a 2.8-W stereo bridge-tied load THD = 10% (Typical) (BTL) amplifier designed to drive stereo speakers with at least 3- Ω impedance. The device operates • Very Low Crosstalk: from 2.5 V to 5.5 V, drawing only 8 mA of quiescent – -100 dB Typical at 5 V, 3 Ω supply current. The feedback resistors are internal, • 2.5-V to 5.5-V Operating Range allowing the gain to be set with only two input resistors per channel. The amplifier's fully differential • Low Supply Current: architecture performs with -80 dB of power supply – 8 mA Typical at 5 V rejection from 20 Hz to 2 kHz, improved RF rectifi- – Shutdown Current: 80-nA Typical cation immunity, small PCB area, and a fast startup time with minimal pop, making the TPA6020A2 ideal • Fast Startup (27 ms) With Minimal Pop for notebook PC applications. • Internal Feedback Resistors Reduce Component Count • Thermally Enhanced QFN Packaging A. C(LBYPASS) and C(RBYPASS) are optional. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2005, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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