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TPA4860D Scheda tecnica(PDF) 1 Page - Texas Instruments |
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TPA4860D Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 25 page TPA4860 1-W MONO AUDIO POWER AMPLIFIER SLOS164A – SEPTEMBER 1996 – REVISED MARCH 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 1-W BTL Output (5 V, 0.2 % THD+N) D 3.3-V and 5-V Operation D No Output Coupling Capacitors Required D Shutdown Control (IDD = 0.6 µA) D Headphone Interface Logic D Uncompensated Gains of 2 to 20 (BTL Mode) D Surface-Mount Packaging D Thermal and Short-Circuit Protection D High Power Supply Rejection (56-dB at 1 kHz) D LM4860 Drop-In Compatible description The TPA4860 is a bridge-tied load (BTL) audio power amplifier capable of delivering 1 W of continuous average power into an 8- Ω load at 0.4 % 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 this amplifier are a shutdown function for power-sensitive applications as well as headphone interface logic that mutes the output when the speaker drive is not required. Internal thermal and short-circuit protection increases device reliability. It also includes headphone interface logic circuitry to facilitate headphone applications. The amplifier is available in a 16-pin SOIC surface-mount package that reduces board space and facilitates automated assembly. typical application circuit Audio Input Bias Control VDD 1 W 12 10 15 1, 4, 8, 9, 16 VO1 VO2 VDD 2 3 7 6 5 14 13 11 GAIN IN + IN – BYPASS HP-IN1 HP-IN2 HP-SENSE SHUTDOWN VDD/2 CI RI RF VDD RPU Headphone Plug NC CB CS 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. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 GND SHUTDOWN HP-SENSE GND BYPASS HP-IN1 HP-IN2 GND GND VO2 IN+ IN– VDD GAIN VO1 GND D PACKAGE (TOP VIEW) PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2000, Texas Instruments Incorporated |
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