Datenblatt-Suchmaschine für elektronische Bauteile |
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TPA4861DR Datenblatt(PDF) 1 Page - Texas Instruments |
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TPA4861DR Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 23 page www.ti.com FEATURES 1 2 3 4 8 7 6 5 SHUTDOWN BYPASS IN+ IN– VO2 GND VDD VO1 D PACKAGE (TOP VIEW) DESCRIPTION Audio Input Bias Control VDD 1 W 6 5 8 7 VO1 VO2 VDD 1 2 3 4 IN+ IN– BYPASS SHUTDOWN VDD/2 CI RI RF CS CB – + – + GND TPA4861 SLOS163C – SEPTEMBER 1996 – REVISED JUNE 2004 1-W MONO AUDIO POWER AMPLIFIER • 1-W BTL Output (5 V, 0.11 % THD+N) • 3.3-V and 5-V Operation • No Output Coupling Capacitors Required • Shutdown Control (IDD = 0.6 µA) • Uncompensated Gains of 2 to 20 (BTL Mode) • Surface-Mount Packaging • Thermal and Short-Circuit Protection • High Supply Ripple Rejection Ratio (56 dB at 1 kHz) • LM4861 Drop-In Compatible The TPA4861 is a bridge-tied load (BTL) audio power amplifier capable of delivering 1 W of continuous average power into an 8- Ω load at 0.2% THD+N from a 5-V power supply in voiceband frequencies (f < 5 kHz). A BTL configuration eliminates the need for external coupling capacitors on the output in most applications. Gain is externally configured by means of two resistors and does not require compensation for settings of 2 to 20. Features of the amplifier are a shutdown function for power-sensitive applications as well as internal thermal and short-circuit protection. The TPA4861 works seamlessly with TI's TPA4860 in stereo applications. The amplifier is available in an 8-pin SOIC surface-mount package that reduces board space and facilitates automated assembly. 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 © 1996–2004, 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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